•••••••Hustler Turf Equipment

•••••P.O. Box 7000

•••Hesston, Kansas

•67062-2097

Hustler ZSuper Z

Owner’s Manual

350157 Rev 11/02

The engine exhaust from this product

contains chemicals known to the State

of California to cause cancer, birth

defects or other reproductive harm.

WARNING:

350157 Rev 11/02

TABLE OF CONTENTS

1. General Information.............................................................Sect. 1

2. Safety Precautions................................................................Sect. 2

3. Operation..............................................................................Sect. 3

4. Maintenance .........................................................................Sect. 4

5. Adjustments .........................................................................Sect. 5

6. Troubleshooting ...................................................................Sect. 6

7. Storage .................................................................................Sect. 7

8. Product Literature ................................................................Sect. 8

9. Technical Specifications.......................................................Sect. 9

10. Index...................................................................................Sect. 10

350157 Rev 11/02

350157 Rev 11/02 1-1

This manual applies to the following equipment:Hustler Z tractor & 60” deck, number 926253Hustler Z tractor & 60” deck, number 926295Hustler Z tractor & 52” deck, number 926311Hustler Z tractor & 52” deck, number 926345Hustler Z tractor & 60” deck, number 926451Hustler Z tractor & 60” deck, number 926469Hustler Z tractor & 72” deck, number 926550Hustler Z tractor & 72” deck, number 926568Super Z tractor & 60” deck, number 926360Super Z tractor & 60” deck, number 926378Super Z tractor & 52” deck, number 926485Super Z tractor & 52” deck, number 926493Super Z tractor & 72” deck, number 926436Super Z tractor & 72” deck, number 926444

To the new ownerThe purpose of this manual is to assist owners and

operators in maintaining and operating the Hustler Z tractorand deck. Please read it carefully; information andinstructions furnished can help you achieve years ofdependable performance.

A separate Engine Manual is included with your owner’spacket which contains additional engine information thatwill not be repeated in this manual. You are urged to read itbefore attempting any operation or repair of the engine.

The Quick Reference Decals, located under the right frontof the seat, the right front of the deck, and under the seatpan, are designed to give the operator brief informationneeded in the daily operation of the machine. These decalsare not intended to be used in place of this manual butinstead is to be used as an extension of this manual. Thesedecals should not be removed or obliterated. Replace thesedecals if they become unreadable.

It is the owner’s responsibility to make certain that theoperator reads and understands this manual and the QuickReference Decals before operating this machine. It is alsothe owner’s responsibility to make certain that the operatoris a qualified and physically able individual, properlytrained in the operation of this equipment. Local regulationsmay restrict the age of the operator.

Using this manualGeneral operation, adjustment and maintenance guidance

is outlined for both the experienced and novice Hustler user.Operating conditions vary considerably and cannot all beaddressed individually. Through experience, however,operators should find no difficulty in developing goodoperating skills suitable to most conditions.

Directions used in this manual, for example RIGHT orLEFT, refer to directions when seated on tractor facingforward, unless otherwise stated.

Photographs and illustrations used were current at thetime of printing, but subsequent production changes maycause your machine to vary slightly in detail. Hustler TurfEquipment reserves the right to redesign and change themachine as deemed necessary, without notification. If achange has been made to your machine which is notreflected in this owner’s manual, or the parts manual, seeyour Hustler dealer for current information and parts.

Warranty registrationThe Delivery and Warranty Registration form must be

completed and signed to validate your warranty protection.As the new equipment owner, you are expected to see thatthe form is completed and forwarded to Hustler TurfEquipment at time of delivery.

Be sure to register the tractor plus each attachment thatdisplays a model and serial identification number plate withHustler Turf Equipment.

IMPORTANT: Any unauthorized modification,alteration, or use of non-approved attachments voids thewarranty and releases Hustler Turf Equipment from anyliability arising from subsequent use of this equipment.

Model and serial numberTractor model and serial numbers are found on the serial

identification plate, located on the frame directly below andto the left of the operator’s platform.

These numbers are required on the Warranty Registrationform. They will also assure you of the correct service partswhen replacement becomes necessary.

Parts and serviceUse original Hustler replacement parts only. These parts

are available through your local Hustler dealer. To obtainprompt, efficient service, always provide the followinginformation when ordering parts:

1. Correct part description2. Correct model number.3. Correct serial number.

All warranty repair and service must be handled throughan authorized Hustler dealer. Arrangements should be madethrough your local service center.

For location of nearest dealer, or should you need furtherassistance, contact:

Customer Service DepartmentHustler Turf EquipmentP.O. Box 7000Hesston, KS 67062Telephone (620) 327-4911FAX (620) 327-2458

GENERAL INFORMATION

350157 Rev 11/021-2

HUSTLER Z AND SUPER ZTWO YEAR LIMITED WARRANTY FOR TRACTORS AND DECKS

(THREE YEAR (1200 HOURS OF USE) LIMITED WARRANTY ON DECKSPINDLE BEARING & DECK GAUGE FORK BEARING)

WHAT IS COVERED BY THIS WARRANTYHustler Turf Equipment, makes the following warranty tothe original purchaser only:

a. First and Second Year: Hustler Turf EquipmentTractors and Power Units are warranted for two (2)years or 1200 hours of use, whichever comes first,from date of delivery on all materials andworkmanship. If the Purchaser discovers within this warranty period adefect in materials or workmanship:● He must promptly notify Hustler Turf Equipment, or

an authorized dealer, in writing of the defect. In noevent shall such notification be received by HustlerTurf Equipment, or an authorized dealer later thantwenty-five (25) months from date of delivery.

● Within a reasonable time after such notification,Hustler Turf Equipment, will correct any defect inmaterial or workmanship on the Hustler TurfEquipment, with either new or used replacementparts.

● Such repair, including parts and labor shall be at theexpense of Hustler Turf Equipment, and,

b. Third Year: At the conclusion of the two year limitedwarranty, if the 1200 hour of use limit has not beenreached, described in paragraph (a) above, there shall bean additional one year limited warranty on deck gaugefork bearings and deck spindle bearings only, no labor.The third year of the warranty will be in effect until the1200 hour of use limit is attained or the third year fromthe date of delivery is reached, whichever comes first. If the Purchaser discovers within this warranty period adefect in either of these bearings:● He must promptly notify Hustler Turf Equipment, or

an authorized dealer, in writing of the defect. In noevent shall such notification be received by HustlerTurf Equipment, or an authorized dealer later thanthirty-seven (37) months from date of delivery.

● Within a reasonable time after such notification,Hustler Turf Equipment, will provide newreplacement bearing to install on the Hustler TurfEquipment.

● The installation of the deck gauge fork bearing anddeck spindle bearing shall be at the expense of theowner, and,

c. Rental Units (90 days): Within 90 days of date ofdelivery Hustler Turf Equipment, provides a limitedwarranty on all materials and workmanship for unitsused for rental purposes. If the Purchaser discovers within this warranty period adefect in materials or workmanship:● He must promptly notify Hustler Turf Equipment, or

an authorized dealer, in writing of the defect. In noevent shall such notification be received by Hustler

Turf Equipment, or an authorized dealer later than120 days from date of delivery.

● Within a reasonable time after such notification,Hustler Turf Equipment, will correct any defect inmaterial or workmanship on the Hustler TurfEquipment, with either new or used replacementparts.

● Such repair, including parts and labor shall be at theexpense of Hustler Turf Equipment, and,

d. Hustler Turf Equipment provides a limited warrantyfor the entire length of ownership by the originalpurchaser for the following items:● Against all defects in the frame resulting from frame

breakage.● Against all defects in the mowing deck which results

in the front edge of the deck being bent into the theblades.

● Against hydraulic hose and fitting leaks.If the original Purchaser discovers within this warrantyperiod such a defect:● He must promptly notify Hustler Turf Equipment or

an authorized dealer, in writing of the defect. Suchnotification must be received by Hustler TurfEquipment or an authorized dealer during the periodwhen the equipment is owned by the originalpurchaser.

● Hustler Turf Equipment will repair any defect in theframe resulting in frame breakage with either new orused replacement parts.

● Such repair, including parts and labor, shall be at theexpense of Hustler Turf Equipment, and,

e. The engine is covered by a two (2) year limitedwarranty, by the engine manufacturer, to the originalowner (commercial or residential) only, and,

f. The battery is covered by a one (1) year limitedwarranty to the original owner only.

WHO MUST PERFORM THE WARRANTY SERVICEAll warranty service will be performed by dealers authorizedby Hustler Turf Equipment. Service calls and/ortransportation expense of the product to and from theauthorized dealer, for warranty work, will be paid by theowner of the product. For warranty service you can contactan authorized dealer or write Hustler Turf Equipment, 200South Ridge Road, Hesston, Kansas 67062, or call 1-620-327-4911.

WHAT IS NOT COVERED BY THIS WARRANTYHustler Turf Equipment, does not warranty:

● Some product, components or parts notmanufactured by Hustler Turf Equipment

● Repairs made by unauthorized persons● Damage caused by use of the Hustler Turf

350157 Rev 11/02 1-3

Equipment for purposes other than those for which itwas designed

● Damages caused by disasters such as fire, flood,wind, and lightening

● Damages caused by neglect, abuse, abnormal use,improper or unreasonable use, accident, negligenceor misuse

● Repairs or replacement resulting from the use ofunauthorized parts, accessories or attachments

● Repairs or replacement as the result if any alterationsor modifications, in the determination of HustlerTurf Equipment, which adversely affects theoperation, performance or durability of theequipment.

● Hustler Turf Equipment which has the serial numberremoved or made illegible

● Depreciation or damage caused by normal wear, lackof reasonable and proper maintenance, failure tofollow the product’s owner’s manual operating,maintenance and adjustment instructions or otheroperational instructions provided by Hustler TurfEquipment.

● Normal maintenance parts and service including, butnot limited to, filters, fuel, lubricants, tune-up parts,belts, blades, blade sharpening, bearings, brake orsteering adjustments

● Repairs necessary due to improper fuel,contaminates in the fuel system, or failure toproperly prepare the fuel system prior to any periodof non-use over three months

DISCLAIMER OF WARRANTYThe foregoing warranties are in lieu of all otherwarranties, expressed or implied, including but notlimited to the implied warranties of merchantability andfitness for a particular purpose. However, if the HustlerTurf Equipment is purchased as a consumer product,any implied warranty of merchantability or fitness for aparticular purpose is limited to the duration of thislimited warranty. Some states do not allow limitationson how long an implied warranty lasts, so the abovelimitation may not apply to you. This warranty givesyou specific legal rights, and you may also have otherrights which vary from state to state.

LIMITATION OF REMEDIESIn no case shall Hustler Turf Equipment, be liable for anyspecial, incidental, or consequential damages based uponbreach of warranty, breach of contract, negligence, strictliability in tort, or any other legal theory. Such damages include, but are not limited to:

● Loss of profits● Loss of savings or revenue● Loss of use of Hustler Turf Equipment or any

associated equipment● Cost of capital

● Cost of any substitute equipment, facilities, servicesor downtime

● The claims of third parties including customers, andinjury to property

Some states do not allow the exclusion or limitation ofincidental or consequential damages, so the above limitationor exclusion may not apply to you.

TIME LIMITAny action for breach of warranty must be commencedwithin twenty-five (25) months following delivery of thegoods in a non-rental application. Any action for breach ofwarranty must be commenced within 120 days followingdelivery of the goods in a rental application.

NO OTHER WARRANTIESUnless modified in writing, signed by both parties, andapproved by the President of Hustler Turf Equipment, thisagreement is understood to be the complete and exclusiveagreement between the parties, superseding all prioragreements, oral or written, and all other communicationsbetween the parties relating to the subject matter of thisagreement. No employee of Hustler Turf Equipment, or anyother party is authorized to make any warranty in addition tothose made in this agreement.

ALLOCATION OF RISKSThis agreement allocates the risks of product failurebetween Hustler Turf Equipment, and the purchaser. Thisallocation is recognized by both parties and is reflected inthe price of the goods.

OWNER'S RESPONSIBILITYYou must maintain your Hustler Turf Equipment productfollowing the maintenance procedures described in yourowner's manual. Such routine maintenance, whetherperformed by a dealer or by you, is at your expense.This machine like any other powered equipment ispotentially dangerous unless properly operated. Anyoperator must be cautious and keep safety in mind at alltimes. Any operator, prior to using the Hustler TurfEquipment, should thoroughly familiarize himself with theowner's manual regarding operation and safety of themachine, as well as all safety warnings on the machineitself.

WARRANTY REGISTRATION1. The Warranty registration form MUST be completed

and signed by the authorized dealer and originalpurchaser.

2. For validation, the completed Warranty registrationform MUST be forwarded to Hustler Turf Equipment,within ten (10) days following date of purchase.

3. The date of purchase constitutes delivery.

350157 Rev 11/02 2-1

This safety alert symbol is used to call attention to amessage intended to provide a reasonable degree ofPERSONAL SAFETY for operators and other personsduring the normal operation and servicing of this equipment.

DANGER – denotes immediate hazards which WILLresult in severe personal injury or death.

WARNING - denotes a hazard or unsafe practice whichCOULD result in severe personal injury or death.

All operators should read this manual, or be instructedabout safe operating and maintenance procedures. This isthe owner’s responsibility.

Incorrect usage of this machine may result insevere injury. Personnel operating and maintain-ing it should be trained in the proper use andshould read the manuals completely andthoroughly before attempting to set-up, operate,adjust, or service this machine.

The Quick Reference Decals, located under the right frontof the seat, the right front of the deck, and under the seatpan, are designed to give the operator brief informationneeded in the daily operation of the machine. These decalsare not intended to be used in place of this manual butinstead is to be used as an extension of this manual. Thesedecals should not be removed or obliterated. Replace thesedecals if they become unreadable.

It is the owner’s responsibility to make certain that theoperator reads and understands this manual and the QuickReference Decals before operating this machine. It is alsothe owner’s responsibility to make certain that the operatoris a qualified and physically able individual, properlytrained in the operation of this equipment. Local regulationsmay restrict the age of the operator.

The owner should also ensure that the operator/mechanicknow that they are responsible for their own safety as wellas the safety of other persons within the vicinity.Remember, the operator is responsible for accidents orhazards occurring to other people or their property.

▲ Always disengage deck clutch, place steering controllever in neutral, engage neutral lock levers, stop tractorengine, engage parking brake and remove ignition keywhen leaving operator’s seat.

▲ Always remain seated while operating machine.▲ Always keep safety shields and covers in place, except

for servicing.▲ Always maintain a safe distance from people and pets

when mowing.

▲ Always operate machine in daylight or with adequateworking lights.

▲ Follow daily and weekly checklists, making sure hosesare tightly secured and bolts are tightened.

▲ Always observe traffic laws while driving machinefrom one location to another.

▲ Always keep engine and machine clean, removingaccumulated dirt, trash and other material frommachine.

▲ Always be alert for hazards such as rocks, metalobjects and other debris which may be thrown orentangled by mower blades. Watch out for holes ordeep depressions.

▲ Always wear adequate eye protection when servicingthe hydraulic system and battery, or when grindingmower blades and removing accumulated debris.

▲ Always wear adequate ear protection, such asearplugs, when operating this equipment as prolongedexposure to uncomfortable or loud noises can causeimpairment or loss of hearing. Do not wear radios ormusic headphones while operating the machinery.Safe operation requires your full attention.

▲ Always be aware of what is behind the machine beforebacking up.

▲ Always inspect machine for damage after striking aforeign object. If damage is found, repair machineimmediately. Be sure to disengage deck clutch, placesteering control lever in neutral, engage neutral locklevers, stop tractor engine, engage parking brake, andremove ignition switch key before leaving operator’sseat to inspect damage.

▲ Always buckle seat belt, if provided with one, beforestarting tractor.

▲ Never pull back suddenly on your steering controllever while the machine is in forward motion.

▲ When going in reverse, push forward slowly on leverand avoid sudden movement. Rapid movement of thecontrol levers in either direction could result in areaction of the tractor that can cause serious injury.

▲ Never operate a poorly maintained machine.▲ Never carry passengers.▲ Never attempt high speed maneuvering, especially in

crowded or congested areas.▲ Never allow persons to operate this machine without

proper instruction or allow children to operatemachine.

▲ Never put hands or feet under any part of the machinewhile it is running.

▲ Never leave machine unattended with ignition key inswitch, especially with children present.

▲ Never refuel tractor while engine is running; neverrefuel near an open flame or near devices which cancreate a spark. Refuel outdoors preferably, or in wellventilated areas.

▲ Never attempt to start engine when there is a strongodor of gasoline fumes present. Locate and correctcause.

SAFETY PRECAUTIONS

Do not smoke while refueling.Do not fill tank with engine running,or while the engine is hot.Allow engine to cool before storingmachine inside a building.Store away from open flame or sparkif there is fuel in tank.Clean up any gasoline spills.Do not refuel while in enclosed traileror other enclosed areas

▲ Never run the engine in an enclosed area unlessexhaust is vented to the outside. Exhaust gases containcarbon monoxide which is odorless and deadly poison.

▲ Never attempt to make any adjustments or repairs tothe tractor drive system, mower deck or anyattachment while the tractor engine is running or deckclutch is engaged. Repairs or maintenance requiringengine power should be performed by trainedpersonnel only.

▲ Never work under the machine or attachment unless itis safely supported with stands, blocks or a hoist.

▲ Do not touch hot parts of machine.▲ Never direct discharge of material from mower deck

towards bystanders.▲ Always disengage the blades and wait for them to stop

before crossing gravel drives, walks or roads.▲ Always keep clear of the mower blades and

attachments during their operation.▲ Never make sudden starts, stops, turns, or reverse

direction, especially when maneuvering on slopes.The steering is designed for sensitive response. Rapidmovement of the steering lever in either directioncould result in a reaction of the tractor that can causeserious injury.

▲ If any attachment or additional weight is mounted onthe rear of the unit, any rapid movement of the controllevers in either direction could result in a reaction ofthe tractor that can cause serious injury.

▲ Use extreme caution when operating on slopes.• Be extremely careful changing directions on a slope.

Slow down.• Do not operate where the machine could slip or tip.

▲ Do not remove or modify the stabilizer wheels.▲ The Hustler mower is capable of operating

horizontally (traverse) on moderately steep slopes.When operating on slopes of 15 degrees or more, beaware of any conditions that may cause the tractordrive tires to lose traction resulting in a possible loss ofcontrol of the machine. An operator should notoperate on a slope until he is thoroughly familiar withthe equipment.

It is strongly recommended that the operator drivethe machine off of the slope, using extreme caution, if

any sign of loss of traction is detected. Wait until thecondition that caused the problem is resolved beforeattempting to operate on the slope again.

Terrain conditions can affect traction resulting inpossible loss of control of the machine. Some of theconditions to be aware of are:

1. Wet terrain2. Depressions in the ground; i.e. holes, ruts,

washouts3. Mounds of dirt4. Soil type; i.e. sand, loose dirt, gravel, clay5. Grass type, density, and height6. Extremely dry conditions of grass7. Tire pressure

The attachments mounted to the tractor will alsoaffect the way it handles on a slope. Be aware thateach attachment’s characteristics vary.

Another consideration to safe mowing on slopes is tobe aware of what is located at the bottom of the slope.Extreme caution should be used when there is a hazardlocated at the bottom of the slope. Some examples are:

1. Water; i.e. lake, river2. Cliffs, retaining walls3. Roads, highways4. Buildings5. Rocks

These are just a few examples of situations whencaution must be used when operating on a slope.There are many other possibilities too numerous tomention. Just remember to always exercise extremecaution when operating on any slope.

▲▲ Clean flammable material from machine. Preventfires by keeping engine compartment, battery,hydraulic lines, fuel line, fuel tank and operator’sstation clean of accumulated trash, grass clippings,and other debris. Always clean up spilled fuel andoil.

▲▲ Specific safety warning decals are located on theequipment near the immediate areas of potentialhazards. These decals should not be removed orobliterated. Replace them if they become non-readable.

350157 Rev 11/022-2

Read Owner’s Manual and QuickReference Decal before attempting to

operate this machine.

The following illustrations show the various safety decals that are located on the machine. A brief explanation is shown tohelp the operator understand the meanings of these decals.

350157 Rev 11/02

Avoid skin contact with battery acid.Always wear eye protection whenchecking the battery, acid can causeserious injury to skin and eyes. Ifcontact occurs, flush area with cleanwater and call physician immediately.Acid will also damage clothing.Do not allow open flame near thebattery when charging.Hydrogen gas forms inside thebattery. This gas is both toxic andflammable and may cause anexplosion if exposed to f lame.Always remove the negative groundfirst and replace it last.Do not overfill battery.Electrolyte may overflow anddamage paint, wiring or structure.When cleaning the battery, use soapand water. Be careful not to getsoap and water into the battery. Usesoda mixed in water to cleancorrosion off the terminals.

Hydraulic f luid escaping underpressure can penetrate skin.Hydraulic f luid may also causeinfection in a minor cut or opening inthe skin; if exposed to hydraulic fluid,see a doctor at once.Before applying pressure to hydraulicsystem, make sure all connectionsare tight and all hoses and lines arein good condition.Relieve all pressure in the systembefore disconnecting or working onhydraulic lines.To find a leak under pressure, use apiece of cardboard or wood – neveruse your hands.To relieve all pressure in system,turn engine off and lower attachment.

2-3

Do not remove or modify stabilizerwheels or injury can result.

Never operate the mower deck withside deflector removed or in raisedposition, except when the grasscatcher attachment is being used.

Hot surface!

Keep shields or covers in placewhile machine is in operation.Keep hands away from rotatingpulleys and belts.

Whirling blades! Keep hands andfeet away.Beware of thrown objects.

350157 Rev 11/02 3-1

OPERATION

Figure 3-1

IMPORTANT: When access is required under the seatplatform make certain to place the control arms in thepark brake position and pivot the arm rests upwardbefore placing the seat platform in the full forwardposition to prevent arm rest damage.

ControlsFor general location of the controls described in this

section, refer to Figure 3-1.1. Ignition switch (Fig. 3-2) – a three position switch:

off, run, and start. With key inserted, rotate itclockwise to START position; release key whenengine starts, and switch will automatically return tothe RUN position.

2. Throttle control (Fig. 3-2) — a cable is linked toengine throttle for controlling engine speed. Move

lever forward to increase engine rpm, move leverrearward to decrease engine rpm.

3. Choke control (Fig. 3-2) – a cable is linked tomanually operate the engine choke. When the lever isin the down position, the choke is in the off (run)position. When the lever is pulled up, the choke is inthe on (start) position. Do not operate the machine inthe on (start) position.

4. Control levers (Fig. 3-3) — these levers control thetractor’s speed, direction, neutral lock, and park brake.Levers are used to steer, accelerate, decelerate andchange direction. When the control levers are in thepark brake position the tractor will not move when theengine is on and drive pumps are operating.

WARNING: The parking brake is not designedto hold the tractor on steep slopes.

Figure 3-2

Figure 3-3

1. Ignition Switch 5. Deck lift pedal 9. Hydraulic reservoir 14. Left deck cover2. Throttle lever 6. Hour meter 10. Battery 15. Right deck cover3. Control levers 7. Oil Pressure light 11. Deck adjusting rod 16. Deck height indicator4. Deck clutch switch 8. Fuel tanks 12. Anti-scalp wheels 17. Brake switch

13. Discharge chute 18. Choke lever

IIggnniittiioonnsswwiittcchh

TThhrroottttllee

Deck clutchswitch

Controllever

Hustler Z Controls

111

8

14

4 2

6

1315

9

12

5

7

10

16

8

1112

12

12

12

3

12

12

OOiill pprreessssuurree lliigghhtt

17

17

CChhookkee

18

5. Deck clutch switch (Fig. 3-2) — this switch engagesthe deck. Pull the switch up to engage and push switchdown to disengage the clutch.IMPORTANT: Never engage clutch with enginerunning at high rpm or when the deck is under load.Clutch, belts or deck could be damaged.

6. Deck lift pedal (Fig. 3-4) — the deck lift pedal is usedto raise or lower the deck. Push on the pedal to raisethe deck and then place the deck height locking pininto the desired cutting height hole.Push the deck lift pedal to raise the deck when goingover obstructions.

Instrumentation7. Electronic hour meter (Fig. 3-5) — registers 1/10

hour increments up to 9,999.9 total hours. Connectedto the ignition switch, the meter records theaccumulative time while the ignition key is switched tothe RUN position and the operator is on the seat.

8. Oil pressure light (Fig. 3-2) — this light comes onwhen the ignition switch is placed in the RUN positionand stays lit until the engine is running and a safe oilpressure is developed. If light comes on duringoperation, shut engine off immediately and locate andcorrect the problem.

Safety interlock systemThe tractor is equipped with a safety start interlock

system consisting of the brake switches, seat switch, anddeck clutch switch.

Check tractor safety start interlock system daily, prior tooperation. This system is an important tractor safety feature.It should be repaired immediately if it malfunctions. Themachine incorporates a separate seat switch which will stopthe tractor engine when the operator is unseated for anyreason while the tractor is operating. This is a safety featuredesigned to prevent runaway or accidental entanglement. Toinspect the system:

1. The operator must be on the seat when testing the seatswitch.

2. Set both control levers in the park brake position.

3. Start the engine and allow it to warm up to operatingtemperature.

4. With the deck clutch switch down and the controllevers in the brake position, slowly raise off of the seat.The engine should continue to run.

5. With the deck clutch switch up and/or the controllevers in the neutral position, slowly raise off of theseat. The engine should stop within two seconds.

6. If the engine fails to stop when the deck clutch switchis up or one or both of the control levers is up and theoperator is off the seat, check the function of the seatswitch. If the seat switch is not operating properly (isnot opening or closing) and if the cause can not bedetermined, replace the seat switch.

If the problem can not be located, contact your HustlerDealer.

WARNING: The safety interlock system shouldalways function per steps 4 and 5. If it does notfunction properly, it should be correctedimmediately. Do not operate machine withoutproperly functioning seat safety switch.

Engine startingThe Hustler Z safety start interlock system is also

designed to protect the operator and others from accidentalinjury due to unintentional engine starting. The enginestarting motor will not engage until:

A. Control levers are in the brake position.B. Deck clutch switch is in the down (OFF) position.

WARNING: The safety interlock system mustnot be disconnected or bypassed.

NOTE: The operator’s seat is equipped with a separatesafety switch. If for any reason the operator should becomeunseated when the brake switches are disengaged or thedeck clutch switch is engaged the engine will stop.

The following steps are the correct procedures forstarting the engine. If difficulty is encountered, contact theHustler Dealer in your area.

1. Before starting tractor each day, perform daily pre-operation checking.

2. Make sure the control levers are in the brake position350157 Rev 11/023-2

Figure 3-4

Deck liftpedal

Figure 3-5

HHoouurrmmeetteerr

and deck clutch switch is disengaged.3. Use choke when engine is cold, or if warm engine fails

to start within 5 seconds of cranking. Avoid floodingand operate engine without choking as soon aspossible.

4. Set throttle at approximately 1/2 open position. 5. Insert key in ignition switch and rotate full clockwise

to engage starting motor. Release key when enginestarts.

IMPORTANT: The engine starter should not beoperated for periods longer than 30 seconds at a time. Aninterval of at least two minutes should be allowed betweensuch cranking periods to protect the starter from overheatingand burn-out.

6. Perform test to make sure safety start interlock systemis operating properly. Refer to Safety start interlocksystem section.

7. As soon as engine begins to run, check to make certainthe oil warning light is off. If not, stop engineimmediately and check for the cause.

8. Allow the engine to idle a few minutes beforeadvancing the throttle and/or engaging the deck clutch.

9. Before stopping the engine, place the control levers inthe brake position, disengage the deck clutch, andthrottle back to low idle for a couple of minutes; thenrotate ignition key counter-clockwise to the OFFposition. Remove the key from switch before leavingthe tractor.

WARNING: Never leave the machineunattended with key in ignition switch.

Moving tractor with stalled engineIf it becomes necessary to move the tractor when the

engine is inoperative, the hydraulic pumps are equipped withbypass valves. Before moving the unit, turn bypass valvescounter clockwise one-half to one revolution. The valvestems on each hydraulic pump are located near the top andare identified as a hex stud. The valve is located per Figure3-6 on the Hustler Z or Figure 3-7 on the Super Z.

Do not tow the machine. Move it by hand or use a winchto load on a trailer for transporting.

When transporting on another vehicle, the tractor shouldbe facing forward and it must be secured.

IMPORTANT: Always make certain the two bypassvalves are returned to their operating position before runningthe tractor following repairs.

Driving the tractor

DANGER: Never make sudden stops or reversedirection, especially when going down a slope.The steering is designed for sensitive response.Rapid movement of the control levers in eitherdirection could result in a reaction of the tractorthat can cause serious injury.

After starting engine, engage the control levers and steeras follows:

To go forward, push control levers forward an equaldistance (Fig. 3-8).

To go in reverse, pull control levers rearward an equaldistance (Fig. 3-8).

To turn left, move the right control lever farther forwardfrom neutral than the left control lever.(Fig. 3-8)

To turn right, move the left control lever farther forwardfrom neutral than the right control lever. (Fig. 3-8)

To pivot turn, move one control lever forward and theother control lever back of neutral. This will allow the drivewheels to counter-rotate. (Fig. 3-8)

To stop or decrease speed, move control levers toneutral. When going forward pull back gently on controllevers. When going in reverse push forward gently oncontrol levers.

DANGER: When going in reverse push forwardgently on control levers and avoid suddenmovement. Any sudden movement could causethe front of the mower to come off of the groundresulting in possible loss of control.

To increase speed, increase control lever’s distance fromneutral. The farther forward control levers are from neutral,the faster tractor will travel forward. The farther back

350157 Rev 11/02 3-3

Figure 3-6

Bypass valve

HHuussttlleerr ZZ sshhoowwnn

Figure 3-7

Bypass valve

Super Z shown

control levers are from neutral, the faster tractor will go inreverse.

Operating suggestions

DANGER: Prior to operating the tractor theoperator should be thoroughly familiar with theproper use and operation of the equipment,should read the manual completely andthoroughly, and should have attempted slowmoving maneuvers to become familiar with theoperation of the equipment before attemptingnormal speed operation. An inexperiencedoperator should not mow on slopes or on uneventerrain.

WARNING: The unit’s control levers are veryresponsive: Easy does it! For smooth operation,move lever slowly, avoid sudden movement.Skill and ease of operation come with practiceand experience.

Inexperienced operators may have a tendency tooversteer and lose control. Slow-moving practicemaneuvers are recommended to become familiar with thesecharacteristics before attempting normal speed operation.

WARNING: Sharp depressions or raisedobstacles (such as gutters or curbs) should not bedirectly approached at high speed in an attemptto “jump” them as the operator could be thrownfrom the equipment. Approach at a slow speedand angle one drive wheel at the obstruction.Continue at an angle until the wheel clears andthen pivot the opposite wheel around.

When turning on soft wet turf, keep both wheels rollingeither forward or backward. Pivoting on one stopped wheel

can damage turf. This is especially important whenmowing.

Tractor performance is maximum when the throttle is setat full rpm. This gives maximum power to the drive wheelsand deck when needed. Use the control levers to controlground speed rather than engine rpm.

WARNING: Do not operate the equipmentwhile wearing sandals, tennis shoes, sneakers,shorts or any type of loose fitting clothing.Always wear long pants, safety glasses andsafety shoes when operating this machine.

Keep blades sharp. Many professional mowingcompanies have additional sets of blades and change bladestwice a day: once in the morning and again at noon. Manyproblems with incorrect cutting patterns are due to dullblades or blades which have been sharpened incorrectly.Information on sharpening blades is listed in this manual’smaintenance section. In addition, most communities haveindividuals or companies which specialize in sharpeningmower blades. Blade sharpness should be checked daily.

Use high blade speed. Your Hustler Z is designed tooperate at full throttle. The throttle setting directly controlsblade speed. The highest blade speed generally gives bestcut.

Direct grass discharge to right, away from unmownarea. Select a mowing pattern that directs grass dischargetowards the outside, not towards center, of mowing area.Generally, this means using a pattern utilizing left turnsbecause side discharge (Fig. 3-9) is to right. In any case,avoid throwing grass discharge onto unmowed area becausegrass is then mowed “twice”. Mowing twice puts anunnecessary load on the unit and reduces mowing efficiency.

WARNING: Never direct discharge of materialfrom mower deck towards bystanders.

350157 Rev 11/023-4

FRONT OF TRACTOR FACES THIS DIRECTION

Figure 3-8

FORWARD TRAVEL PIVOT TURN REVERSE TRAVELRIGHT TURN

REVERSE TRAVEL

NN

FORWARD TRAVELRIGHT TURN

N = Neutral PositionDirection of arrows indicate direction of tractor movement.

WARNING: Never operate the mower deckwith discharge chute removed or in raisedposition.

WARNING: Always check area to be mown forrocks and other debris before mowing.

Mower deck operation

DANGER: Never attempt to make anyadjustments to the mower deck while the engineis running or with the deck drive clutch engaged.Mower blades cannot be seen and are locatedvery close to deck housing. Fingers and toes canbe cut off instantly.

With the engine running, engage the deck clutch switch(Fig. 3-2) and advance engine throttle to full rpm.

NOTE: Engaging the deck clutch at high engine rpm orwhen under heavy load (in tall grass for example) can causebelts to slip, resulting in premature wear or possible damage.

350157 Rev 11/02 3-5

Figure 3-9

Side discharge chute

4-1350157 Rev 11/02

MAINTENANCEMAINTENANCE LOCATOR

CHART

1. Engine Oil Fill & Dipstick2. Fuel Filter3. Engine Air Cleaner4. Engine Oil Drain Plug5. Battery6. Fuel Tanks7. Hydraulic Oil Reservoir8. Deck Idler Zerk (1)9. Deck Pusher Arm Zerks (2)10. Hydraulic Oil Filter11. Gauge Wheel Bearing Zerks (2)12. Engine Oil Filter13. Deck Height Pivot Zerks (4)14. Safety Interlock Switch (brake)15. Drive Tire16. Pump Idler Zerk (1)17. Deck Belt18. Spindle Housing Zerk (3)19. Pump Belt20. Blades21. Oil Heat Exchanger

6

12

2

4

3

13

16

11

13 11

5

15

10

147

1

6

14

1313

Figure 4-1

1516

19

20

20

9

9

8

18

18

18

17

21

NOTES:1. Initial oil change is after 5 hours of operation. Thereafter, change oil after every 40hours operation. Change more often under dusty or dirty conditions and during hot weatherperiods.2. Torque initially and after first 2 hours of operation.3. Perform initial hydraulic filter change after 50 hours (one week) of operation.4. Change engine oil filter per the engine manufacturer’s recommendations. Refer toEngine Owner’s Manual for recommendations and other maintenance items.5. Service more often under dusty or dirty conditions.6. Inspect every 100 hours and replace if worn or cracking is noticed. Otherwise, replaceevery 1000 hours or 2 years whichever comes first.7. Check fuel line hoses, fuel valve and grommet for any cracks or leaks.REFERENCES:a — Refer to Engine Owner’s Manual

NOTE: After completing maintenance cycle (500hours), repeat cycle.

IntroductionWARNING: Unless specifically required, DONOT have engine running when servicing ormaking adjustments to tractor. Place controllevers in the neutral position, disengage deckclutch, and remove ignition switch key. Repairsor maintenance requiring engine power should beperformed by trained personnel only. To preventcarbon monoxide poisoning, be sure properventilation is available when engine must beoperated in an enclosed area. Read and observesafety warnings in front of manual.

DANGER: Before working on or under thedeck, make certain engine cannot be accidentallystarted. Shut engine off and remove ignitionswitch key for maximum safety. Repairs ormaintenance requiring engine power should beperformed by trained personnel only.

DANGER: Exercise caution when workingunder the deck as the mower blades areextremely sharp. Wearing gloves is advisablewhen working around or with the blades.

WARNING: Except when changing or checkingbelt, always keep belt covers on mower forsafety as well as cleanliness.

WARNING: When possible clean under mower,using a stick or similar instrument making surethat no part of the body, especially arms andhands are under mower.

Regular maintenance is the best prevention for costlydowntime or expensive, premature repair. The followingpages contain suggested maintenance information andschedules which the operator should follow on a routinebasis.

Remain alert for unusual noises, they could be signalinga problem. Visually inspect the machine for any abnormalwear or damage. A good time to detect potential problemsis while performing scheduled maintenance service.Correcting the problem as quickly as possible is the bestinsurance.

WARNING: Keep your machine clean andremove any deposits of trash and clippings,which can cause engine fires and hydraulicoverheating as well as excessive belt wear.

Clear away heavy build-up of grease, oil and dirt,especially in the engine and hydraulic reservoir area; minutedust particle are abrasive to close-tolerance engine andhydraulic assemblies.

Daily inspect mower for grass clippings and wire andstring tangles. The underside of the mower deck will collecta build-up of grass clippings and dirt, especially when grassis wet or has high moisture content. This build-up willharden, restricting blade and air movement and willprobably show a poorer quality of cutting. Therefore itshould be removed routinely.

To do this it will be necessary to raise and block the deckin the full up position and scrape the build-up fromunderneath.

Some repairs require the assistance of a trained servicemechanic and should not be attempted by unskilledpersonnel. Consult your Hustler service center whenassistance is needed.

Torque values

WARNING: Particular attention must be givento tightening the drive wheel lug nuts, wheelmotor nuts, and blade spindle nuts. Failure tocorrectly torque these items may result in the lossof a wheel or blade, which can cause seriousdamage or personal injury.

WEEKLY MONTHLY ANNUALLY ORSERVICE AT OR 50 OR 100 500

INTERVALS INDICATED HOURS HOURS HOURS

Verify safety start interlock system Daily

Visually inspect unit for loose hardware

and/or damaged parts Daily

Visually inspect tires Daily

Check oil level, engine (1) Daily or every 4 hrs.

Clean air intake screen (5) Daily or every 4 hrs.

Clean foam element (5) Daily or every 4 hrs.

Clean oil heat exchanger (5) Daily or every 4 hrs.

Check fuel level Daily

Blades - sharpen & securely fastened Daily

Discharge chute - securely in place &

in lowest position Daily

Grease deck idler x

Grease deck pusher arms x

Grease pump idler x

Grease deck height pivots x

Grease gauge wheel bearings x

Change engine oil & filter (1) (4) x

Clean cylinder and head fins (a) x

Check battery connections x

Check tire pressure with a gauge x

Check hydraulic oil level x

Clean engine exterior (a) x

Replace air cleaner paper element (5) x

Clean and regap spark plugs (a) x

Check pump and deck belt tension

and condition (6) x

Check fuel and hydraulic lines (7) x

Check fuel valve and grommet (7) x

Tighten lug nuts on wheels (2) x

Change fuel filter x

Clean or replace hydraulic fill cap x

Change hydraulic filter and oil (3) x

Grease deck spindle housings x

Replace spark plugs x

4-2 350157 Rev 11/02

Torque values given below:Ft-lbs. Nm

Wheel (lug) nuts ................................65-75 ......88.14-101.7Wheel motor nut (Hustler Z) .........350-375 .....474.6-508.5Wheel motor nut (Super Z)............290-310 .....393.2-420.4Blade spindle bolt top ........................65-75 ......88.14-101.7Blade spindle bolt bottom

(spindle with blade saddle) ......65-75 ......88.14-101.7Blade spindle bolt bottom

(spindle without blade saddle) ....118 ...........160.0

It is recommended that these be checked after the first 2hours of operation, initially and every 50 hours followingremoval for repair or replacement.

For all other torques refer to the tractor parts manual forstandard torque chart.

For engine torque values, see engine owner’s manual.

TiresIt is important for level mowing that the tires have the

same amount of air pressure. The recommended pressureare:

Drive wheels...............................................8-10 psiGauge wheels .............................................8-10 psi

Solid fill tires are not recommended for Hustler turfequipment. On any machine, with solid filled tires, thewarranty claim will be denied.

Hour meterTo recognize when your machine needs servicing, check

the hour meter and the maintenance schedule. The hourmeter shows the number of hours the engine has run and themaintenance schedule lists the service intervals. Fig. 4-2

Lubrication1. Grease the front gauge wheel bearings per the

Maintenance Schedule. Use SAE multi-purposegrease.

2. Grease the four deck lift pivots, located to the side ofthe operator’s footrest per the Maintenance Schedule.Use SAE multi-purpose grease.

3. Grease the deck idler per the Maintenance Schedule.Use SAE multi-purpose grease.

4. Grease the pump idler per the Maintenance Schedule.

Use SAE multi-purpose grease.5. Grease the two deck pusher arm pivots per the

Maintenance Schedule. Use SAE multi-purposegrease.

6. Grease the blade spindle assemblies per theMaintenance Schedule. The spindle assembliesrequire lubrication annually. Each spindle shaft isequipped with a grease zerk located under the deck.Use no more than one or two ounces of SAE multi-purpose grease, (1 to 2 pumps on an average greasegun). Do not force lubricant in to grease zerks.Bearings are sealed and do not require muchlubricant.

Electrical systemThe electrical system is a 12 volt, negative ground.

Recommended battery size is a garden tractor BCI groupU1R with 225 or better cranking AMP rating. Amaintenance-free battery is recommended. Otherwise,follow battery manufacturer’s maintenance, safety, storingand charging specifications.

The battery is located under the seat. Fig. 4-3

WARNING: Avoid skin contact with batteryacid.Always wear eye protection when checking thebattery, acid can cause serious injury to skin andeyes. If contact occurs, flush area with cleanwater and call physician immediately. Acid willalso damage clothing.Do not allow open flame near the battery whencharging.Hydrogen gas forms inside the battery. This gasis both toxic and flammable and may cause anexplosion if exposed to flame. Always removethe negative ground first and replace it last.Do not overfill battery.Electrolyte may overflow and damage paint,wiring or structure. When cleaning the battery,use soap and water. Be careful not to get soapand water into the battery. Use soda mixed inwater to clean corrosion off the terminals.

350157 Rev 11/02 4-3

Figure 4-3

BatteryFigure 4-2

HHoouurrmmeetteerr

Common circuit failures are usually caused by shorting,corroded or dirty terminals; loose connections, defectivewire insulation or broken wires. Switches, solenoids andignition components may also fail, causing a shorted or opencircuit.

Before attempting any failure diagnosis of the electricalsystem, use a test light or voltmeter to check the batteryvoltage. If the battery voltage is satisfactory, check thecleanliness and tightness of the terminals and groundconnections. A general understanding of electrical servicingand use of basic test equipment is necessary fortroubleshooting and repair.

Major overhaul or repair of the starting motor oralternator should be performed by trained technicians only.

Burnishing the electric clutchWARNING: To insure maximum performanceand life, it is necessary to burnish the clutch.

Burnishing the electric clutch (Fig. 4-4) will developbetter contact between the armature and rotor, helping todevelop higher torque capabilities without slipping. Thewarranty on the new clutch will be voided if it is notburnished properly.

Use the following procedure to burnish the clutch:1. Check the air gap between armature and rotor. Gap

should be .012” to .024”.2. Cycle the clutch on and off 10 times (15 seconds on

and 15 seconds off) with the engine operating at halfthrottles, approximately 1500 rpm.

Access to engine and hydraulicpumps

The hydraulic pumps are accessed by lifting the seatplatform. The seat platform is hinged at the front. To raiseit, release seat latch and tilt seat platform up and forward.The seat platform catch (Fig. 4-5) will prevent the seat fromgoing all the way over. However, if more access is desiredunder the seat platform, the seat platform catch can be raisedallowing the seat to pivot more. Make certain to place thecontrol arms in the park brake position and pivot thearm rests upward before placing the seat platform in thefull forward position.

WARNING: Always wear adequate eyeprotection when servicing the hydraulic systemand battery.

Hydraulic systemIMPORTANT: Never use hydraulic or automatic

transmission fluid in this system; use only motor oil asspecified. Remember, dirt is the primary enemy of anyhydraulic system.

WARNING: Hydraulic oil escaping underpressure can penetrate skin. Hydraulic oil maycause infection in a minor cut or opening in theskin. If exposed to hydraulic fluid, see a doctorat once. Before applying pressure to hydraulic system,make sure all connections are tight and all hosesand lines are in good condition. To find a leakunder pressure, use a piece of cardboard or wood— never use your hands. Relieve all pressure inthe system before disconnecting or working onhydraulic lines. To relieve pressure, lower allattachments and shut off engine.

The 1.0 U.S. gallon (3.79 liter) hydraulic reservoir islocated in front of the engine and under the operator’splatform. Fig. 4-6

Check oil level in hydraulic system after every 50 hours

EElleeccttrriicc cclluuttcchh

Figure 4-4

4-4 350157 Rev 11/02

Figure 4-6

Hydraulic reservoir

Hydraulic filter

Figure 4-5

SSeeaatt ppllaattffoorrmm ccaattcchh

CCoonnttrrooll lleevveerrSeat platform

of operation or weekly, whichever occurs first. Check moreoften if system appears to be leaking or otherwisemalfunctioning.

Fluid level should be 1” from top of reservoir. Use onlySAE 10W40 SG, SF/CC, CD service motor oil.

Change hydraulic system filter element (Fig. 4-6) afterfirst 50 hours of tractor operation, then replace filter and oilin reservoir every 500 hours thereafter. When changinghydraulic oil use 1/2 unit (approximately 3.5 oz.) of Lubrizoladditive (Hustler P/N 027912). This additive, availablefrom your Hustler dealer, will increase the performance lifeof the hydraulic system components.

The system filter is located directly in front of thehydraulic reservoir. A standard oil filter wrench is used tochange filter, threads are right handed. Use a Hustlerapproved filter element only.

IMPORTANT: Prefill the filter element with clean oil,before installing, to prevent drawing air into the systempump.

1. Fill the filter element with clean system oil. Smear alight coating of oil on upper surface of rubber seal.

2. Install the filter element on base. Tighten the oil filterby hand until the filter seal makes contact with thefilter head, then tighten an additional 3/4 turn with a anoil filter wrench. — DO NOT OVERTIGHTEN.

3. Start tractor engine and let run at approximately 2/3throttle for a few minutes to work any trapped air outof the system before engaging the steering controllever.

4. Stop the engine and check the filter and connectionsfor leaks.

5. Check the hydraulic reservoir for specified oil level.Add clean oil as necessary.

Clean or replace hydraulic reservoir cap annually. Capmay be cleaned by dipping in or flushing with cleaningsolvent. Follow manufacturer’s instructions and warningsfor application of solvent type selected.

NOTE: The hydraulic pumps are equipped with bypassvalves. For more information refer to Operation section,Moving tractor with stalled engine.

A hydraulic oil heat exchanger is installed on the SuperZ. This heat exchanger is designed to keep hydraulic systemoil temperature lower in hot operating conditions or heavy

continuous operating conditions.This hydraulic heat exchanger is located above the

engine. Air is drawn across the cooling fins by an electricfan located above the heat exchanger. Fig. 4-7

Fuel system

WARNING: Observe usual fuel handlingprecautions; do not smoke while refueling, donot fill tank with engine running or while engineis hot; allow engine to cool before storingmachine inside a building, keep fuel away fromopen flame or spark and store machine awayfrom open flame or spark if there is fuel in thetank. Read and observe safety precautions atfront of this manual.

The fuel tanks are located in the tractor’s fenders. (Fig.4-8) Total capacity for the fuel tanks is 12 U.S. gallon (45.4liter)

Use regular unleaded gasoline with an octane rating of 87or higher.

The fuel filter (Fig. 4-9) is installed in the fuel linebetween fuel tanks and engine fuel pump on the front side ofthe engine. Replace filter annually or after every 500 hoursof operation, whichever occurs first.

4-5350157 Rev 11/02

Figure 4-7

CCoooolliinngg ffaann

HHeeaatt eexxcchhaannggeerr

Engine

Figure 4-8

FFuueell ttaannkk

Figure 4-9

Fuel filter

When replacing the fuel filter, check the fuel line hosesfor any cracks or leaks. Replace as needed.

A fuel shut-off valve is located on each fuel tank (Fig. 4-10). Close these valves to prevent fuel flow to the engine.

Engine oil and filterCheck engine oil daily and after every 4 hours of

operation. Crankcase dipstick and oil filler tube are locatedat the rear of the machine (Fig. 4-11). Tractor must besetting level when checking oil. Refer to engine manual andmaintenance schedule for oil recommendation andcapacities.

Change the engine oil and filter after the first 5 hours ofoperation, per the engine manufacturer’s recommendationsafter that. If tractor is being operated in extremely dirtyconditions, then it is recommended oil be changed morefrequently.

The oil drain and oil filter are located at the rear of theengine. Fig. 4-11

Engine air filterPerform engine air filter maintenance per the Engine

Owner’s manual on units that have the standard engine airfilter.

General engine maintenanceDetailed instructions and recommendations for break-in

and regular maintenance are specified in the Engine

Owner’s manual. Please refer to this manual for engineservicing, lubricating oil levels with quality and viscosityrecommendations, bolt torques, etc. The engine warranty isbacked by the manufacturer. Special attention should bepaid to applicable data which will not be duplicated here.

Belt replacementFigures 4-12 and 4-13 show diagrams and descriptions of

the unit’s belt drive systems.Inspect these belts frequently for wear and serviceability.

Replace a belt that shows signs of severe cuts, tears,separation, weather checking and cracking, or burns causedby slipping. Slight raveling of belt covering does not

4-6 350157 Rev 11/02

Figure 4-11

Engine oildrain plugEngine oil filter

EEnnggiinnee ooiill ffiilllleerr ttuubbee

Figure 4-13

1

Deck Belt Drive Layout1. Spindle drive belt2. Deck blade spindle pulley3. Spindle belt tension idler4. Spindle belt tension idler spring

(9.0" at operation)5. Deck belt idler6. Idler arm

2

2

2

6

4

5

3

5

Figure 4-12

1

3

2, 6

4

5

1. Pump belt2. Engine pulley3. Pump idler pulley4. Pump idler arm5. Pump pulley6. Electric deck clutch7. Pump idler spring

7

Viewed frombottom for unit

5Figure 4-10

Fuel shut-off valve

indicate failure, trim ravelings with a sharp knife.

WARNING: If the pump belt fails, loss ofcontrol may occur when operating on a slope.

Inspect the belt pulley grooves and flanges for wear. Anew belt, or one in good condition, should never run againstthe bottom of the groove. Replace the pulley when this isthe case, otherwise belt will lose power and slip excessively.

Never pry a belt to get it on a pulley as this will cut ordamage the fibers of the belt covering.

Keep oil and grease away from belts, and never use beltdressings. Any of these will destroy the belt composition ina very short time.

Mower blade maintenanceCheck the mower blades daily, they are the key to power

efficiency and well groomed turf. Keep them sharp, a dullblade will tear rather than cut the grass, leaving a brownragged top on the grass within a few hours. A dull bladealso requires more power from the engine.

Replace any blade which is bent, cracked or broken.

WARNING: Never attempt to straighten a bentblade by heating, or weld a cracked or brokenblade as the blade may break and cause seriousinjury.

DANGER: Never work with blades whileengine is running or deck clutch is engaged.Always place deck clutch in the disengagedposition, engage parking brake and neutral locklevers and turn engine off. Block up mowerwhen you must work under it. Wear gloveswhen handling blades. Always check for bladedamage if mower strikes rock, branch or otherforeign object during mowing!

Mower blade removalOn spindles with blade saddles, use a 3/4" wrench to

remove the 1/2" cap screw holding the blade to the spindlesaddle from underneath. On spindles without blade saddles,use a 15/16" wrench to remove the 5/8" cap screw holdingthe blade to the spindle shaft from underneath.

Sharpen the blades on a grinder following pattern asshown (Fig. 4-14). Touch-up sharpening can be done witha file.

Check the blades for balance following grinding. Acommercial balancing tool is available through mosthardware supply stores, or balancing can be done by placingthe blade on an inverted line punch or 1/2" or 5/8”bolt.Blade should not lean or tilt. Spin the blade slowly, bladeshould not wobble. If blade is out of balance, true it upbefore reinstalling.

Lay the blade on a flat surface and check for distortion(Fig. 4-15 and 4-16). Replace any distorted blade.

Do not re-use spindle bolts which have stripped, worn orundercut threads. Torque bolts on spindles with bladesaddles to 65-75 foot-pounds when reinstalling blades.

Torque bolts on spindles without blade saddles to 118 foot-pounds when reinstalling blades.

WARNING: When mounting blades, rotatethem after installation to ensure blade tips do nottouch each other or sides of the mower.

4-7350157 Rev 11/02

Figure 4-14

Resharpening Pattern

Do not sharpen to original pattern (below).It is easier to get a straight cutting edge followingthe resharpening pattern shown above.

Original Edge

Warped Blade (Replace)

Straight Blade

Comparison of Warped and Straight Blades

CuttingPlane

Figure 4-15

Figure 4-16

Twisted Blade Edge(Replace)

Cutting Edge

Straight Blade Edge

End view of blades, comparingtwisted and straighten blades.

Cutting Plane

Cutting Edge

WARNING: Failure to correctly torque the boltmay result in the loss of the blade which cancause serious injury.

4-8 350157 Rev 11/02

ADJUSTMENTS

IntroductionWARNING: Unless specifically required, DONOT have engine running when servicing ormaking adjustments to tractor. Place controllevers in the park brake position and removeignition switch key. Repairs or maintenancerequiring engine power should be performed bytrained personnel only. To prevent carbonmonoxide poisoning, be sure proper ventilationis available when engine must be operated in anenclosed area. Read and observe safety warningsin front of manual.

Your Hustler Z or Super Z was adjusted before it left thefactory and was checked during predelivery setup.However, after start-up and continued use, a certain amountof break-in wear will cause some adjustments to change.

Remain alert for unusual noises, they could be signalinga problem. Visually inspect the machine for any abnormalwear or damage. A good time to detect potential problemsis while performing scheduled maintenance service.Correcting the problem as quickly as possible is the bestinsurance.

WARNING: Keep your machine clean andremove heavy deposits of trash and clippings,they can cause engine fires and hydraulicoverheating as well as excessive belt wear.

Clear away heavy build-up of grease, oil and dirt,especially in the area of reservoir and oil and enginecombustion air; minute dust particle are abrasive to close-tolerance engine and hydraulic assemblies.

Some repairs require the assistance of a trained servicemechanic and should not be attempted by unskilledpersonnel. Consult your Hustler service center whenassistance is needed.

Torque values

WARNING: Particular attention must be givento tightening the drive wheel lug nuts and wheelmotor nuts. Failure to correctly torque theseitems may result in the loss of a wheel, whichcan cause serious damage or personal injury.

Torque values given below:Ft-lbs. Nm

Wheel (lug) nuts ................................65-75 ......88.14-101.7Wheel motor nut (Hustler Z) .........350-375 .....474.6-508.5Wheel motor nut (Super Z)............290-310 .....393.2-420.4Blade spindle bolt top ........................65-75 ......88.14-101.7Blade spindle bolt bottom

(spindle with blade saddle) ......65-75 ......88.14-101.7Blade spindle bolt bottom

(spindle without blade saddle) ....118 ...........160.0

It is recommended that these be checked after the first 2hours of operation, initially and every 50 hours followingremoval for repair or replacement.

For engine torque values, see engine owner’s manual.For all other torques refer to the parts manual for

standard torque chart.

Steering linkageThe neutral adjustment for the control levers in the neutral

position is discussed in this section.The tractor steering has been factory adjusted to eliminate

creeping when the control levers are in the neutral position(Fig. 5-1). However, should the tractor begin to creep, thecontrol lever linkage can be adjusted as follows:

Control Lever Neutral AdjustmentBefore considering any adjustment, check the tire air

pressure and make certain hydraulic system oil is atoperating temperature. Unequal tire pressure will cause thetractor to drift to one side. Refer to tire pressure informationin the Maintenance section of this manual.

Fine adjustment to the unit’s steering is made with theadjustable pump linkage rods located between the control

5-1350157 Rev 11/02

Figure 5-1

PPaarrkk bbrraakkee sslloott

CCoonnttrrooll lleevveerr iinn tthheenneeuuttrraall ppoossiittiioonn

Controllever

Figure 5-2

Pump linkage rod

Pump arm

Jam nut

lever and pump arms. Fig. 5-2Neutral is properly adjusted when the control levers are in

the neutral position and the drive wheels are not turning. If the tractor creeps in the neutral position the control

linkage may be adjusted as follows:1. Raise and block the tractor up so the drive wheels are

off of the floor.

WARNING: Make certain machine is securewhen it is raised and placed on the jack stands.The jack stands should not allow the machine tomove when the engine is running and the drivewheels are rotating. Use only certified jackstands.

2. Position the control lever in the neutral position.Disengage the deck clutch.

3. Start the engine and observe which way the wheels arerotating.

4. If wheel(s) are rotating forward, loosen the jam nuts onthe pump linkage rods and rotate the rod to lengthenthe steering control linkage until the wheel(s) come toa stop. Fig. 5-2NOTE: The left linkage controls the left hydraulicpump and the right linkage controls the right hydraulicpump.Repeat for the opposite side if necessary.

5. If wheel(s) are rotating in reverse then loosen the jamnuts on the pump linkage rods and rotate the rod toshorten the steering control linkage until the wheel(s)come to a stop. Fig. 5-2NOTE: The left linkage controls the left hydraulicpump and the right linkage controls the right hydraulicpump.Repeat for the opposite side if necessary.

6. When both wheels remain in neutral, tighten the jamnuts to lock the turnbuckle in place.

7. Test again by moving the control levers forward andbackward before returning them to the neutral position.If the tires are in neutral, the unit is now ready foroperation.

8. After adjusting for neutral it may be necessary to re-adjust the reverse spring and/or the control lever stop.Fig. 5-3 or Fig. 5-4

Control lever stopsThe control lever stops (Fig. 5-3) are designed to do two

things: First, and most important, they must keep the pumpsfrom bottoming out internally. Secondly, the stops may beadjusted to help drive straight when the control levers arepushed forward against the stops.

To keep the pumps from bottoming out internally use thefollowing procedure:

1. To make the first adjustment the tractor engine mustNOT be running.

2. Check to make sure the control levers are against thestops before the pumps are bottomed out internally.To do this, gently and slowly move the control leversforward and feel if there is some resistance on thepump lever before the control levers hit the stops.Check one side at a time. If you sense that the pumparms are stopping the forward motion of the controlarms, loosen the jam nut on the adjustable stop of thecorresponding side and turn the stop (set screw) inwardto stop the control levers slightly before the pumpbottoms out. Lock in place when the adjustment iscorrect by re-tightening the jam nut.

3. Do this for each side.

To adjust the stops for driving straight when control leversare against the stops during operation:

1. Determine which drive tire is rotating too fast whenboth control levers are against the stops. Then stop thetractor and loosen the lock nut on the side which isrotating too fast and turn the stop (set screw) inward tostop the control lever sooner. Tighten the lock nut onthe stop and test again. Repeat this procedure untilunit drives straight.

NOTE: Since this is a hydrostatic drive, variables such astemperature of oil, efficiency of pumps and motors, tirepressure etc. may effect the consistency of the ability to rely

Figure 5-4

350157 Rev 11/025-2

Figure 5-3

Top nylock nut

Lowernylock nut Spring linkage

Reversespring

Controllever

Stop

Jam nut

on the stops to drive straight without the operator makingminor steering adjustments with the control arms.

Reverse spring adjustmentThe reverse spring (Fig. 5-4) is designed to bring the

control levers to the neutral position after they are releasedfrom the reverse position.

To adjust:1. Make certain the control lever neutral adjustment is

correct. If not, refer to Steering linkage section.2. When control lever is in the reverse position the spring

should force the control lever to return to neutral afterthe lever is released.

3. Adjust the top nylock nut (Fig. 5-4) on the springlinkage until the control lever returns to the neutralposition from the reverse position properly.Tightening the nylock nut will cause the control leverto travel forward less before stopping. Loosening thenylock nut will allow the control lever to travel furtherforward.

4. Check the length of the reverse spring when thecontrol lever is in the neutral position. This dimensionshould be 1.9”. If it is not, adjust the lower nylock nut(Fig. 5-4) until the dimension is achieved.

5. Repeat for other side.

Steering dampenerHustler Z Models

The steering dampeners (Fig. 5-5) are incorporated intothe unit to provide some resistance when the control leversare moving forward or rearward. To set the steeringdampeners in the correct operating position follow thesesteps:

1. Place the control lever in the neutral position.2. Check the center distance from the dampeners front

mounting hole to the rear mounting hole. Thisdimension should be 8.54”. If it is not, loosen the frontball stud and slide the dampener in the mounting slotuntil this dimension is attained. Re-tighten front ballstud. NOTE: The dampener must not bottom out when thepump lever is fully stroked in either direction.

Super Z ModelsThis steering dampener (Fig. 5-6) is spring loaded to

return the control levers to the neutral position from thereverse position. This gives the operator a sense of neutralduring operation.

To set the steering dampeners in the correct operatingposition follow these steps:

1. Place the control lever in the neutral position.2. Loosen the steering dampener’s front ball stud.3. Pull the dampener spring housing pass the point that

the internal spring is engaged. 4. Release the dampener spring housing and allow the

internal spring to bring the housing back to the neutralposition.

5. Tighten the nut on the steering dampener’s front ballstud.

Control lever adjustmentThe control levers can be adjusted for operator comfort.

By loosening the cap screws that attaches the upper controllever to the lower lever (Fig. 5-7), the upper control levercan be pivoted to fit the operator’s personal preference.

The control levers should be adjusted so that they alignwith each other when in the neutral position.

350157 Rev 11/02 5-3

Figure 5-7

Cap screw

UUppppeerrccoonnttrroolllleevveerr

Lower controllever

Figure 5-5

8.54”

Steeringdampener

Figure 5-6

SSpprriinngghhoouussiinngg

Front ballstud

Park brake adjustmentOccasionally check the park brakes and adjustment using

the following method:1. Position the control levers in the neutral position.

Disengage the deck clutch.

WARNING: Make certain machine is securewhen it is raised and placed on the jack stands.The jack stands should not allow the machine tomove when the engine is running and the drivewheels are rotating. Use only certified jackstands.

NOTE: The front brake link is not adjustable. Fig. 5-82. Raise and block the tractor up so the drive wheels are

off of the floor.3. Open the hydraulic pump’s bypass valve (Fig. 5-9 & 5-

10), on the side that is being adjusted, by turningbypass valves counter clockwise one-half to onerevolution. The valve stems on each hydraulic pumpare located near the top and are identified as a hexstud.

4. Rotate the tire. The tire should rotate. Rememberhydraulic oil resistance will prevent the tire fromrotating freely even with the bypass valves open.There should be no resistance from the brakes at thispoint.

5. Hustler Z - Move the control lever to where it istouching the outside edge of the lever’s travel slot.Fig. 5-10

350157 Rev 11/025-4

Figure 5-10

Bypass valve

Super Z shown

Figure 5-8

Front brake link(right side)

Figure 5-12

1/8”

OOuuttssiiddee eeddggee

CCoonnttrrooll lleevveerr

PPaarrkk bbrraakkeesslloott

SSuuppeerr ZZ sshhoowwnn

Figure 5-11

Travel slot

OOuuttssiiddee eeddggee

CCoonnttrrooll lleevveerr

PPaarrkk bbrraakkeesslloott

HHuussttlleerr ZZ sshhoowwnn

Figure 5-9

Bypass valve

HHuussttlleerr ZZ sshhoowwnn

Super Z - Move the control lever to where it is justinside (1/8”) the park brake slot. Fig. 5-11NOTE: When the control lever is against the outsideedge of the the slot, the brakes should not be engaged.

6. Rotate the tire. If the brake is adjusted properly thetire will still rotate but friction will start to becomenoticeable here. However, if no brake resistance isnoticed, the brake needs adjusted as follows:

7. Loosen the brake linkage jam nuts. Fig. 5-138. Rotate the tire and at the same time rotate the

turnbuckle to shorten the length of the brake linkage toincrease the brake pressure. When you feel the brakebegin to engage, stop adjusting the turnbuckle. Re-tighten the jam nuts on the turnbuckle.

9. Place the control lever in the park brake slot (Fig. 5-11& 5-12). The tire should not rotate when the controllever is in the park brake position.

10. Place the control lever in the neutral position. The tireshould rotate freely.

11. Close the hydraulic pump’s bypass valve.12. Repeat steps 3 thru 11 for the other side.13. Remove the jack stands and lower the unit. It is now

ready to operate.

Hydraulic pump belt adjustmentThe pump drive belt tension remains constant by means of

a tension idler and spring (Fig. 5-14). There is no tensionadjustment of this belt.

Deck drive belt adjustmentThe spindle belt tension remains constant by means of a

tension idler and spring (Fig. 5-15). The spring tensionshould be such that the belt does not slip under normaloperating load conditions, assuming the belt is notexcessively worn or damaged. As belt stretches and wearsin, adjustment may become necessary. To increase belttension, move the spring chain one (or more) link(s) at theanchor bracket (Fig. 5-15). Installed spring length should be9.0" ± .3" (22.8 cm ± .76 cm) originally with adjustments of.60" (15.2mm) per chain link. (Fig. 5-16)

IMPORTANT: Do not over tension the spring tocompensate for a badly worn belt or pulley.

Engine RPM settingThe Hustler Z is designed so that the engine will run at

3600 rpm static pump load only. At this speed the hydraulicpumps are running at their maximum rated speed.

Deck leveling and height adjustmentThe mower deck has three areas that may need to be

checked and adjusted periodically. Before considering anymower deck leveling adjustments, check that the tire airpressure is within the specified range.

Deck level adjustmentsLeveling the deck must be done in the following manner

and order:1. Check tire pressures to make certain they are properly

inflated before starting to level deck. Therecommended pressures are as follows:Drive wheels tire pressure....................8 - 10 psiGauge wheels tire pressure...................8 - 10 psi

5-5350157 Rev 11/02

Figure 5-16

3.0”

Spring Extension9.0”

6.0”

Normal Spring Length

Figure 5-14

Spring

Tensionidler

Pump drivebelt

Figure 5-15

Spring

Tension idler

Chain

Anchorbracket

Figure 5-13

TurnbuckleBrake linkage

JJaamm nnuuttJJaamm nnuutt

WARNING: Stop engine. Make sure deckclutch switch is in the down (OFF) position.Place control levers in the brake position beforeleaving machine.

2. Park the unit on a flat surface. 3. Raise deck and place 3" of blocking under all 4 corners

of the deck (Fig. 5-17). This will set the cutting heightat 3 ¼ ". NOTE: Back of deck will automatically beset ¼" higher.

4. Set cutting height at 3 ¼" in the height indicator byplacing the height adjusting stop in the 3" hole, andturning the height stop so that the flat side is againstthe stop handle. Fig. 5-18

5. Clamp the height adjusting stop against the stop handle(5-16). This will assure that the height will not moveduring the setting process. Otherwise, spring pressurefrom the deck lift springs will tend to pull the stopaway from the handle.

6. Loosen all nuts on the deck lift threaded rods, and thehardware on the adjuster (on the right front), until allthe deck lift chains are loose, and the deck is sittingtightly on all four blocks. Fig. 5-19, 5-20, 5-21

7. Loosen the two nuts on the front of height indicator sothat the foot pedal is free. Fig. 5-22

8. Start the leveling process on the left front of thetractor.

9. Set the amount of threads protruding on the deck liftrod from the lift block at approximately 1". Fig. 5-23

10. Jam both nuts against the block.11. Push or pull on the deck lift foot pedal until the chain

on the left front just becomes tight, making sure thatthe deck stays tight against the 3" block.

12. While keeping the chain tight, tighten the nuts againstthe deck lift block on the height indicator rod. Fig. 5-22

13. Go to the right front of the tractor.14. Loosen the 5/16" jam nut on the adjuster lift chain (5-

21), and back the adjuster bolt out to allow the adjusterto move up and down freely.

15. Be sure that adjuster is free to move up and down.16. Tighten the adjuster bolt until the chain just becomes

tight, making sure that the deck stays tight against the3" block.

17. Tighten the adjuster bolt jam nut to prevent theadjuster bolt from moving. Fig. 5-21

18. Tighten the hardware holding the chain and adjusteronto the deck lift arm.

19. Go to the right rear of the tractor.20. Make sure that there is still slack in the chain. If not,

loosen the two nuts on the block holding the threaded

350157 Rev 11/025-6

Figure 5-20

Deck liftthreaded

rod

NutNut

Chains

Figure 5-18

Heightadjusting

stop

Stophandle

Figure 5-19

Deck liftthreaded

rod

NutNut

Chains

Figure 5-17

Blocks

rod until there is slack in the deck lift chain. Fig. 5-2021. Tighten the appropriate nut until the chain just

becomes tight, making sure that the deck stays tightagainst the 3" block.

22. Tighten the other nut on the opposite side of the block,and jam them tightly together against the block.

23. Go to the left rear of the tractor.24. Make sure that there is still slack in the chain. If not,

loosen the two nuts on the block holding the threadedrod until there is slack in the deck lift chain. Fig. 5-19

25. Tighten the appropriate nut until the chain justbecomes tight.

26. Tighten the other nut on the opposite side of the block,and jam them tightly together against the block.

27. Compress the deck lift assist springs so that there is 1”of space between the front nut and on the spring andthe rear nut on the deck lift block (Fig. 5-23). Typicalboth sides.

28. When completed, all chains will be tight, and deckcutting height will be set to the deck height indicator.

Deck cutting height adjustmentDeck height is adjustable from 1” to 5” (2.54 cm - 12.7

cm) in 1/4” increments. The holes in the height adjustingbar are spaced at 1/2” intervals. By turning the heightadjusting stop around, 1/4” increments can be attained due

to the 1/4” plate that is part of the stop. Fig. 5-24EXAMPLE: When the height adjusting stop is placed in

the 1” hole, with the 1/4” plate facing to the front of theunit, the cutting height is at 1”. When the height adjustingstop is placed in the 1” hole, with the 1/4” plate on theoperator’s side of the hole, the cutting height is at 1-1/4”.

When the height adjusting stop is placed in one of theholes, with the 1/4” plate on the operator’s side of the hole,the deck height will be set at one of the following: 1-1/4”, 1-3/4”, 2-1/4”, 2-3/4”, 3-1/4”, 3-3/4”, 4-1/4” or 4-3/4”.

When the height adjusting stop is placed in one of theholes, with the 1/4” plate facing to the front of the unit, thedeck height will be set at one of the following: 1”, 1-1/2”,2”, 2-1/2”, 3”, 3-1/2”, 4”, 4-1/2” or 5” .

The notch located at the rear of the right height adjustingbar is to be used when the deck is placed in the transportmode.

Anti-scalp wheelsAnti-scalp wheel kits are standard on the Hustler Z.

These anti-scalp wheels are designed to minimize scalpingwhen mowing on rough uneven terrain.

After setting the cutting height, adjust the front anti-scalpwheels so they extend below the deck but do not contactthe ground. They should always be at least 1/4” to 3/4” (.6

Figure 5-24

Heightadjusting

stop

1/4” plate

Figure 5-23

Lift block

1”

Deck lift rod

1”

Deck liftassist springs

Figure 5-21

5/16” bolt

Adjuster

Hardware

Jam nut

5-7350157 Rev 11/02

Figure 5-22

Footpedal

Nuts

cm to 1.9 cm) below the deck. With the unit sitting on a flatlevel surface, the front wheel position can be adjusted up ordown as needed from 3/4” to 1-3/4” (1.9 cm to 9.5 cm)below the blade surface. Move the front wheels up or down,in 1/2” (1.3 cm) increments, using the different axle mountholes in the wheel mount bracket. Fig. 5-25

When adjusting the rear anti-scalp wheels, the wheelshould be in the lower axle mount hole when the front anti-scalp wheels are in the lower or middle axle mount holes.When the front wheels are in the upper axle mount hole, therear wheels should be in the upper axle mount hole as well.

NOTE: When the anti-scalp wheels are installed, theminimum cutting height is 1” (2.5 cm) with the anti-scalpwheels set at 3/4”.

Figure 5-25

Adjustingholes

Anti-scalpwheel

350157 Rev 11/02

SYMPTOMS PROBABLE CAUSES SUGGESTED REMEDIES

Starting motor Control handle not in park Place control handle in parkdoes not crank brake position or switch not brake position or re-adjust

adjusted switch

Mower clutch switch engaged Disengage clutch switch

Weak or dead battery Recharge or replace

For additional causes See engine manual

Engine cranks but No fuel or line Fill tank or replacedoes not start plugged line

Numerous See engine manual

Engine: Numerous See engine manualRuns with continuous misfiring or engine runsunevenly or erratically

Loss of power or Restrictions in air cleaner Service air cleanersystem will not operatein either direction Hydraulic line blockage See your dealer

Internal interference or See your dealerleakage in wheel motor

Insufficient hydraulic Check level in reservoiroil supply

Have dealer checkhydraulic pump

Poor compression See your dealer

Steering linkage Adjust linkageneeds adjustment

Air in system Check filter & fittings

For additional causes See engine manual

Overheating Air intake screen or Clean screen and fincleaning fins clogged

For additional causes See engine manual

Low oil pressure Low oil level Add oil

Oil diluted or too light Change oil and check forsource of contamination

High oil consumption Numerous See your dealer

Tractor jerky when starting Steering control linkage Adjust linkageor needs adjustment

operates in one directiononly Pump or wheel motors See your dealer

faulty

Hydraulic system operates Low hydraulic oil level Fill reservoirhot (oil in reservoirsmells rancid) Hydraulic pump faulty See your dealer

Tractor creeps when Steering linkage needs Adjust linkagesteering control levers adjustmentare in neutral

Tractor circles or veers Steering linkage needs Adjust linkagein one direction adjustment

Wheel motors faulty See your dealer

Hydraulic pump faulty See your dealer

Tractor creeps when Steering linkage out of Adjust steering linkage parking brake engaged adjustment

Brakes need adjustment Adjust parking brakes

TROUBLESHOOTING

The majority of operating problems that occur with a system can be traced to improper adjustments or delayed service. Aconsistently applied preventative maintenance program, as outlined in the maintenance section of this manual, will preventmany problems. The following chart is designed to help you locate a problem by suggesting probable causes and therecommended solutions.

6-1

350157 Rev 11/02 7-1

When storing the unit at the the end of the mowingseason, the following steps should be taken to ensurereadiness for the next mowing season.

1. Remove all grass, dirt, and trash from tractor andmower. Clean tractor and mower and touch up allscrapes with Hustler spray paint.

2. Clean paper air filter. Replace if necessary. Wash andre-oil foam precleaner.

3. Check thoroughly for any worn or damaged parts thatneed replacing and order them from your dealer.

4. Thoroughly lubricate machine, according tolubrication instructions.

5. Check hydraulic oil level. Add oil if necessary.Change oil and filter if not done in last 500 hours.Lubrizol additive is required. Refer to Maintenancesection.

6. Block tractor up so weight is off tires.NOTE: Do not deflate tires.

7. Protect battery from freezing temperatures.Occasionally recharging battery during storage willextend battery life.

8. Perform separate engine preparation as listed below.9. Store tractor in a clean, dry place.

Preparation of engine for storageWhen engine is to be unused for long periods, proceed as

follows:1. Run engine for a minimum of 15 minutes.2. Drain oil from crankcase while engine is still warm.3. Refill with fresh oil of proper viscosity.4. Drain fuel tank and run the engine until it stops from

lack of fuel. Gasoline evaporates if left in carburetorfor long periods, forming gum and varnish deposits in

carburetor. These deposits will cause engine floodingand loss of power.

5. Remove and replace fuel filter if not done in previous100 hours.

6. Remove spark plugs and pour a tablespoon of engineoil into each spark plug hole, Install plugs, but do notreconnect plug leads.

7. Crank engine with starter at least a dozen revolutionsto distribute oil over cylinder walls and valvemechanism.

8. Clean exterior surface of engine. Spread a light filmof oil over any exposed metal surfaces of engine thatare subject to corrosion.

9. Clean dirt and chaff from cylinders and fins, blowerhousing and muffler.

10. Check oil filler cap and fuel tank cap to make certainthey are securely in place.

New season preparationBefore starting the tractor following post season storage,

the following servicing is required:1. Clean tractor, removing trash and dirt accumulation.2. Check engine oil and hydraulic oil levels.3. Fill fuel tank with fresh gasoline. Run machine at half

speed for 5 minutes, checking operation of steeringcontrol lever. Stop engine and check for oil leaks,loose fittings and so forth.

4. Tighten any bolts that have loosened and make sure allhair pins, cotter pins and clevis pins are in place.

5. Install all safety shields and review safety precautionslisted in this manual.

6. Check and inflate tires to 8-10 psi.

STORAGE

This section contains sources of additional literatureconcerning your tractor. Literature should be ordered fromyour Hustler dealer or direct from indicated source.

Hustler Z & Super Z Parts ManualIf you would like to order a Parts Manual for this tractor,

the Hustler p/n for that manual is listed below. Please callHustler Turf Equipment at (620) 327-1246 to order themanual. You may also mail, FAX, or e-mail your order byusing the form on page 8-3. Hustler Turf Equipment willaccept credit card payment for this manual.

Engine informationThe Hustler Z uses a Kawasaki 23hp or 25hp engine. The

Super Z uses a Kawasaki 25hp engine. Primary source ofinformation is the engine operator’s manual, which isincluded with the owner’s manual packet. For additionalcopies order Hustler P/N 778423.

For additional engine service manual information contactyour local Kawasaki dealer.

350157 Rev 11/02

Hydraulic pump informationPower to wheel motors is supplied by two Hydro-Gear

hydraulic pumps. For more information:

Hydro-GearCustomer Services1411 So. Hamilton StreetSullivan, IL 61951Phone: (217) 728-2581

NOTE: During warranty period, check with your Hustlerdealer before attempting repairs on any tractor system.Unauthorized repair work can void warranty of tractor,engine, and other components.

Wheel motors informationFor more information on Hustler Z wheel motors:

Parker Hannifin Corporation2745 Snapps Ferry RoadGreenville, TN 37745Phone: (423) 787-2499

For more information on Super Z wheel motors:White HydraulicsP.O. Box 30250Nashville, TN 37241-0250Phone: (270) 885-1110

NOTE: During warranty period, check with Hustlerdealer before attempting repairs on any tractor system.Unauthorized repair work can void warranty of tractor,engine, and other components.

PRODUCT LITERATURE

8-1

PartsModel Manual List

Model Number P/N Price

Hustler Z 926253, 926295, 926311, 926345 350165 $22.50

926451, 926469, 926550, 926568

Super Z 926360, 926378, 926485, 926493

926436, 926444 355750 $22.50

ORDERKAWASAKI HUSTLER

DESCRIPTION PART NUMBER PART NUMBER

Kawasaki Service Manual 9924-2045-02 771535

FREQUENTLY ORDERED PARTS

Part No. Description027912 Lubrizol 7 oz. bottle027920 Lubrizol 10 oz. bottle768341 Hydraulic oil filter (Hustler Z only)783939 Hydraulic oil filter (Super Z only)781443 Pump drive belt 782292 B-Section belt, deck (926311, 926345, 926485, 926593)781310 B-Section belt, deck (926253, 926295, 926360, 926378)068478 Fuel filter780171 Air filter element assembly780155 Precleaner air filter772079 Engine oil filter777391 21” High sail cw blade (60Z with blade saddles)782516 21” High sail cw blade (60Z without blade saddles)781898 18” High sail cw blade (52Z)783977 24” High sail cw blade (72Z)

350157 Rev 11/028-2

Hustler Z Parts Manual (P/N 350165) Order FormSuper Z Parts Manual (P/N 355750) Order Form

To order by mail: Fill out this form, fill out the credit card information or attach a check and send it to:

Hustler Turf EquipmentP.O. Box 808Hesston, KS 67062

To order by e-mail:Using this form as a guide, send all necessary information, including credit card information to:

jdewitt@excelhustler.comTo order by Telephone or FAX:

Telephone: call (620) 327-1246 to place an orderFAX this completed form to (620) 327-2828

Name:

Address:

Telephone:

Master Card Number: Expiration Date:

Visa Card Number: Expiration Date:

QTY Part Number Description Unit Price Total Price

350165 Hustler Z Parts Manual $22.50355750 Super Z Parts Manual $22.50

350157 Rev 11/02 8-3

350157 Rev 11/028-4

350157 Rev 11/02 9-1

TECHNICAL SPECIFICATIONS

Starter 12-volt (.8 KW),solenoid shift positiveengagement.Ignition Electronic.Charging System 12-volt,15-amp.Fuel Unleaded gasoline withoctane rating of 87 or higher.Fuel Filter Replaceable,automotive-type.Cooling Air cooled. Fly-wheel fan.Governor Mechanical.Warranty 1 year limited.TRACTION DRIVESYSTEM:Type Dual hydrostatic.Individual pumps power twodirect-drive wheel motors.Hydrostatic system operateson 10W40 motor oil.PumpsHustler Z - Hydrogear BDP10Two variable displacement,axial piston type. Each pumppowers one drive wheelmotor.Super Z - Hydrogear BDP21Two variable displacement,axial piston type. Each pumppowers one drive wheelmotor.Pump Drive V-belt drivefrom engine crankshaft.Final DriveHustler Z - Parker-RossTF024OUS080AAFW Directdrive high-torque wheelmotors. One for each drivewheel.Super Z - White CE 20 Directdrive high-torque wheelmotors. One for each drivewheel.Filter Replaceable spin-ontype.Ground Speed - infinitelyvariableHustler Z - 0-11 MPH (0-17.7KPH) forward and 0-5 MPH (0-8 KPH) reverseSuper Z - Transport 0-15 MPH (0-24.14KPH) forwardMowing 0-10 MPH (0-16.09KPH) forward and 0-7.5 MPH(0-12.07 KPH) reverseSteering Twin lever steeringprovides independent controlof each drive wheel. Speed,forward, reverse, brake, andturns are all controlled withhand operated controls.Turning Radius True zero

degree. Turns within its ownlength. Counter-rotating,independent drive wheels.BRAKES:Service Hydrostatic dynamicbraking.Parking Automotive styledrum brakes. When steeringlevers are placed in neutralposition, integral park brakesare automatically engaged.Mower Drive Single V-beltdrive from engine withelectric clutch. Spring tensionidler pulley for long belt life.TIRES:Front Two – 13 x 6.50 – 6,rib tread.Drive tire:24 x 12.00 – 12, turf tread.

CAPACITIES:Fuel System 12 US GAL (45.4L).Hydraulic Oil 1.5 US GAL(5.7 L)DIMENSIONS: Height 39 IN(39 CM). W/60 IN Deck Length 75 IN(190.5 CM). Overall width with 60” deckand discharge chute up 62 IN(157.48 CM). Tire-to-tire width 53 IN(134.62 CM).Weight 1100 LBS (500 KG).W/52 IN Deck Length 74 IN(188 CM). Overall width with 52” deckand discharge chute up 59 IN(149.86 CM). Tire-to-tire width 52 IN(132.08 CM).Weight 1075 LBS (488.6 KG).W/72 IN Deck Length 79 IN(200.6 CM). Overall width with 72” deckand discharge chute up 70.4 IN(178.8 CM). Tire-to-tire width 60 IN (152.4CM).Weight 1130 LBS (512.5 KG).SAFETY FEATURES:Operator presence systemconnected to deck and driveclutches. Stabilizer rollers atrear of tractor.SEAT:Standard: Molded-vinyl seatwith armrests. Fore and aftadjustments.Optional: Molded-vinyl,suspension seat with armrests.

Fore and aft adjustmentCONSTRUCTION:Mainframe is 1.5 IN x 3 IN x.187 IN (3.8 CM x 7.62 CM x.47 CM) rectangular steeltubing. Drive motors mountedto .179 IN (.45 CM) weldedsteel. Front caster wheelsmounted with roller bearingson each wheel. Front casterforks are .50 IN (1.27 CM)DECK LIFT: Foot-operateddeck height adjustment. Pinfor setting height, transportposition.CONTROLS: Hand-operatedchoke/throttle, ignition switch,electric mower clutch.Integrated parking brakes.INDICATORS: Hour meter,engine warning light.CUP HOLDER: Two cupholders molded into the leftside fuel tank.Accommodates nearly anycup size.

DECKSCommon SpecificationsType: Free-floating mowerusing three blades with centerblade to the front. Mower issuspended at the corners.Includes 6 deck-mountedrollers to improve flotation inrolling and uneven terrain.Deck Lift: Raise and lowerdeck from driver’s seat withsimple foot-operated deckheight adjustment. Pin forsetting height, transportposition. Change cuttingheights, hop curbs, and trailermore easily.Construction: .125 IN (.317CM) welded steel. Solid 1 IN X.375 IN (2.55 CM x .95 CM)steel bars reinforce impactareas on trim edges. .187 IN x.375 IN (.47 CM x .95 CM) inbox-section reinforced frontedge. Reinforcements weldedonto spindle mount areas.Steel deck housing is 5 IN(1.27 CM) deep to provideroom for high-capacitymowing.Cutting Heights:Foot-operated deck heightadjustment. Pin for settingheight, transport position.Height adjustment in .25 INincrements from 1 IN to 5 IN(2.55 CM to 12.7 CM)Blade Drive V-belt drive toall three spindles. Springtension idler pulleys.

Spindles Machine ductilehousing. 1 IN (2.5 CM)diameter high carbon steelshafts and sealed ballbearings.Flotation Suspended mowerfloats on four spring-assistedchains. 6 anti-scalp wheelsare standard.

60” Side Discharge DeckSpecificationsMowing Blades Heavy-duty,heat-treated, high-lift steelblades.21 IN x 2.75 IN x .25 IN(60Z deck with blade saddles)21 IN x 3.00 IN x .25 IN(60Z deck without bladesaddles)Blade Tip Speed18,375 FPM

52” Side Discharge DeckMowing Blades Heavy-duty,heat-treated, high-lift steelblades.18 IN x 3.00 IN x .25 INBlade Tip Speed18,900 FPM

72” Side Discharge DeckMowing Blades Heavy-duty,heat-treated, high-lift steelblades.24 IN x 3.00 IN x .25 INBlade Tip Speed18,525 FPM

ACCESSORIESMulch Kit Recyclesclippings under deck allowingclippings to be cut and recut,then discharged down into thegrass. Reduces handling ofclippings, improvesappearance, and recyclesnutrients back into the soil.

BAC-VACTM Catcher Rear-mounted, 9-bushel hopper isdumped from the seat withoutleaving the machine. Bloweris powered from right-sidedeck spindle. Hopper andblower can be added orremoved in seconds.

ENGINE SPECIFICATIONS

Kawasaki KawasakiHorsepower 23 25No. of Cylinders 2 2Displacement 41.2 CU IN (675 CC) 41.2 CU IN (675 CC)Compression Ratio 8.1:1 8.1:1Max. Torque 39.8 FT LBS @ 2400 RPM 41.0 FT LBS @ 2400 RPM

350157 Rev 11/02

INDEXPAGE

Access to engine and hydraulic pump..............................4-4Adjustment introduction...................................................5-1Anti-scalp wheels .............................................................5-7Belt replacement...............................................................4-6Brake specifications .........................................................9-1Burnishing the electric clutch...........................................4-4Capacities specification....................................................9-1Construction specification................................................9-1Control lever adjustment ..................................................5-3Control lever stops ...........................................................5-2Controls ............................................................................3-1Controls specifications .....................................................9-1Cup holder ........................................................................9-1Cutting height specifications............................................9-1Decals ...............................................................................2-2Deck cutting height adjustment........................................5-7Deck drive belt adjustment...............................................5-5Deck leveling and height adjustment ...............................5-5Deck lift specifications.....................................................9-1Deck warranty ..................................................................1-2Dimensions.......................................................................9-1Driving the tractor ............................................................3-3Electrical system ..............................................................4-3Engine air filter ................................................................4-6Engine information...........................................................8-1Engine oil and filter..........................................................4-6Engine rpm setting ...........................................................5-5Engine specifications .......................................................9-1Engine starting .................................................................3-2Frequently ordered parts ..................................................8-2Fuel system.......................................................................4-5General engine maintenance ............................................4-6Hour meter .......................................................................4-3Hustler Z Parts Manual .............................................8-1, 8-3

PAGEHydraulic pump belt adjustment ......................................5-5Hydraulic pump information............................................8-1Hydraulic system..............................................................4-4Indicators..........................................................................9-1Instrumentation ................................................................3-2Lubrication .......................................................................4-3Maintenance introduction.................................................4-2Model and serial number..................................................1-1Moving tractor with stalled engine ..................................3-3Mower blade maintenance ...............................................4-7Mower blade removal ......................................................4-7Mower deck operation......................................................3-4New season preparation ...................................................7-1Operating suggestions ......................................................3-4Park brake adjustment ......................................................5-4Parts and service...............................................................1-1Preparation of engine for storage .....................................7-1Reverse spring adjustment ...............................................5-3Safety features specifications ...........................................9-1Safety start interlock system ............................................3-2Seat ...................................................................................9-1Steering dampener............................................................5-3Steering lever tension.......................................................5-2Steering linkage................................................................5-1Super Z Parts Manual ...............................................8-1, 8-3Tires..................................................................................4-3Tire specifications ............................................................9-1To the new owner.............................................................1-1Torque values............................................................4-2, 5-1Traction drive system specification .................................9-1Tractor warranty...............................................................1-4Using this manual.............................................................1-1Warranty registration .......................................................1-1Wheel motor information.................................................8-1

10-1