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Main Parts of the TS 350 CutquikTM

2

Definitions 3Safety precautions 4The operator 4- The cut-off machine 6- The use of the cut-off machine 7- Maintenance, repair and storingof the cut-off machine 13

Storing the Machine 14Mounting the Arbor Bearingand Guard 15

Tensioning the V-belt 16Abrasive Wheels 17Limiting Adjustment onAbrasive Wheel Guard 17Mounting the Abrasive Wheel 18Fuel mix 19Fueling 19

Starting 20

Checking Spark Plug 22General Notes on Operation 22Air filter 23Adjusting Carburetor 24Motor Management 24Rewind Starter 25Changing the V-belt 27STIHL Cutquik

TMCart 28

Spark arresting screenin the muffler 28

Maintenance chart 29Specifications 30Andreas Stihl Limited WarrantyFederal Emission Control SystemsUtility Engines 31

This Manual cont

safety instructionsTS 350 Cutquik

TM

Pay special attenprecautions outlinAllow only personManual to operateTo receive maximsatisfaction from ychine, it is importaunderstand the m

safety precautioncut-off machine. Cdealer or the STIHarea if you do notinstructions in thisBecause a cut-offspeed cutting tooprecautions mustany other cut-off mrisk of personal in

improper use mayeven fatal injury.STlHLs philosopimprove all of its pengineering chanare made from timIf the operating chappearance of yodiffers from thoseManual, please codealer for informa

1999 Andreas Stihl AG & Co, Waiblingen0458 330 3021. M6. H9. T. Printed in Germany

Printed on chlorine-free paper.Printing inks contain vegetable oils,paper is recyclable

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2

Main Parts of the TS 350 CutquikTM

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Can either be an abrasive wheelor a diamond abrasive wheel.

Guards the wheel and deflects sparks.

For adjusting the wheel guard in a

way that the beam of sparks isdirected away from the operatorand the machine.

Handle bar for the left handat front of cut-off machine.

Reduces engine exhaust noiseand directs the exhaustgases

Connects the spark plugwith the ignition wire.

The support handle for the right hand,located at or toward the rear of thecut-off machine.

Distributes claming pressure ofmounting nut evenly over abrasive wheel.

The grip of the pull starterwhich is the device to start the engine.

Switches the engines ignition systemoff and stops the engine.

For closing the fuel tank.(Fits on fuel filler neck).

For removing filter cover to permitfilter to be cleaned.

Prevents dust and foreignmatter from entering the carburetor.(Not illustrated)

A control used when starting coldengine

Controls the speed of the engine.

Must be depthe throttle tr

Keeps the thduring startin

For tensionin

Couples engwhen engineidle speed.(Not illustrate

The wheel thand the abra(Not illustrate

Different models parts and controls

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The use of any cut-off

machine may behazardous. Because acut-off machine is ahigh-speed, fast-cutting

power tool, special safety precautionsmust be observed to reduce the risk ofpersonal injury and fire.

It is important that you read, fully under-stand and observe the following safety

precautions and warnings.

Read the OwnersManual and the safetyinstructions periodically.

Careless or improper use of anycut-off machine may cause serious orfatal injury.

Have your STIHL dealer show youhow to operate your cut-off machine.Observe all applicable local safetyregulations, standards and ordinances.

Minors should never be allowed to use acut-off machine. Bystanders, especiallychildren and animals should not be

allowed in the area where a cut-offmachine is in use. Never let the cut-offmachine run unattended.

Do not lend or rent your cut-off machinewithout the Owners Manual. Be surethat anyone using your cut-off machineunderstands the information contained

in this manual. Employers should estab-

lish a training program for operators ofgasoline powered, hand held portable,cutt-off machines to assure safe oper-ation of these machines. These safetyprecautions and warnings apply to theuse of all STIHL Cutquiks

TM.

Different models may have differentparts and controls. See the appropriatesection of your owners manual for a

description of the controls and functionof the parts of your model cut-offmachine.

Safe use of a cut-off machine involves- the operator- the cut-off machine- the use of the cut-off machine.

You must be in good physical conditionand mental health and not under theinfluence of any substance (drugs.alcohol, etc.) which might impair vision,dexterity or judgement. Do not operate acut-off machine when you are fatigued.

Be alert - if you get tired while operatingyour cut-off machine, take a break, tired-ness may result in loss of control.Working with any cut-off machine can bestrenuous. If you have any condition thatmight be aggravated by strenuous work,check with your doctor before operatinga cut-off machine.

Prolonged use of

other machines) eto vibrations may disease (Raynaudcarpal tunnel syndconditions reducefeel and regulate numbness and bucause nerve and

tissue necrosis. Abute to whitefingeknown, but cold wdiseases or physiaffect blood vesseas well as high vibperiods of exposumentioned as facof whitefinger disereduce the risk of

and carpal tunnelnote the following

- Most STIHL are available("AV") systemthe transmiscreated by thoperators harecommende

using cut-off or sustained

- Wear gloveswarm.

- Keep the AVA cut-off maccomponents

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worn AV buffers will tend to have

higher vibration levels.- Maintain a firm grip at all times, but

do not squeeze the handles withconstant, excessive pressures, takefrequent breaks.

All the above mentioned precautions donot guarantee that you will not sustainwhitefinger disease or carpal tunnelsyndrome. Therefore continual and

regular users should monitor closely thecondition of their hands and fingers.If any of the above symptoms appear,seek medical advice immediately.

Clothing must be sturdyand snug-fitting, but allowcomplete freedom ofmovement. Avoid loose-

fitting jackets, scarfs,neckties, jewelry, flared or cuffed pants,unconfined long hair or anything thatcould become caught on any obstaclesor moving parts of the unit. Wear over-alls or long pants to protect your legs.Do not wear shorts.

When cutting metal, a cut-off machinegenerates sparks which can igniteclothing. Most fabrics used in clothingare flammable - even flame retardantfabrics will ignite at higher temperatures.To reduce the risk of burn injury STIHLrecommends wearing clothing made ofleather, wool, flame-retardant treated

cotton or a tightly woven, heavier cotton

such as denim. Some flame-retardantsynthetic fabrics are also suitable butothers such as polyester, nylon, rayonand acetate can melt during fire into atar-like matter that burns into the skin.Keep clothing free of oil, fuel, greaseand other flammable substances.

Protect your hands withgloves when handling the

cut-off machine.Heavy-duty, nonslipgloves improve your gripand protect your hands.

Good footing is most im-portant in cut-off machinework.Wear sturdy boots withnonslip soles. Steel-toed

safety boots are recommended.

Loose objects may be thrown toward theoperator by the cutting tool.

To reduce the risk ofinjury to your eyes neveroperate a cut-off machineunless wearing goggles

or properly fitted safetyglasses with adequate top and sideprotection complying with ANSI Z 87.1.Proper eye protection is a must.

Wear an approved safety hard hat toprotect your head. cut-off machine noisemay damage your hearing.

Always wear sou

or ear mufflers) toRegular users shchecked regularly

Usmaange

fumchemicals knownfatal injury or illnedisease, cancer, reproductive harmwith the risks asslar material beingsafety data sheetemployer, the masupplier, governm

as OSHA and NIOon hazardous masome other authohave published lisknown to cause ctoxicity, etc.

Control dust, mistsource where posuse good work pr

recommendationssupplier, OSHA/Nnal and trade assattachment kit is amachine and shosuppression wheWhen the inhalatifumes cannot be

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and any bystanders should always wear

a respirator approved by NIOSH/MSHAfor the material being cut.

Cutting masonry, concrete and othermaterials with silica in their compositionmay give off dust containing crystallinesilica. Silica is a basic component ofsand, quartz, brick clay, granite and

numerous other minerals and rocks.Repeated and/or substantial inhalationof airborne crystalline silica can causeserious or fatal respiratory diseases,including silicosis. In addition, Californiaand some other authorities have listedrespirable crystalline silica as a sub-stance known to cause cancer. Whencutting such materials, always follow therespiratory precautions mentioned

above.

Breathing asbestos dust is dangerousand can cause severe or fatal injury,respiratory illness or cancer. The useand disposal of asbestos-containingproducts have been strictly regulated byOSHA and the Environmental ProtectionAgency. Do not use your cutting-off

machine to cut or disturb asbestos,asbestos-containing products, or pro-ducts such as pipes which are wrappedor covered with asbestos insulation. Ifyou have any reason to believe that youmight be cutting asbestos, immediatelycontact your employer or a local OSHArepresentative.

Parts of the cut-off machine, illustrationsand definitions of the parts see pages2 and 3.

Never modify a cut-off machine in anyway. Only attachments supplied bySTIHL or expressly approved by STIHL

for use with the specific STIHL cut-offmachine models are authorized.Although certain unauthorized attach-ments are useable with the STIHLpowerhead, their use may, in fact beextremely dangerous.

Dust may collect on the powerhead,

especially around the carburetor andmay collect gasoline resulting in dangerof fire. Clean dust from the powerheadregularly.

Before assembling your cutting wheel

make sure that the maximum operatingwheel speed is above or equal to thespindle speed of your cut-off machine asprovided in the Specifications of thismanual.

Abrasive wheels f

are subjected to pbending and com

Unauthorized whbreak. Use only Sauthorized wheelratings.

Ins

whrepabor

warped wheels mand cause seriou

Out-of-round or uwheels increase vthe service life of

Use STIHL wheeAbrasive wheels

Always store youplace where the cexposed to directsources of heat. Swheels in a dry plrisk of frost damathese directions m

shatter or crack inor fatal injury.

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Never use carbide-tipped, wood-cuttingor circular saw blades. They can causesevere personal injury from reactiveforces, blade contact or thrown objects.Your STIHL dealer stocks a range ofspecial abrasive wheels for the manyapplications of the cut-off machine.

Use of the wrong abrasive wheel or

material for which it was not designedmay cause that wheel to shatter causingserious or fatal injury.

Only use the abrasive wheel approvedfor the type of material to be cut. Thereare different abrasive wheels eachspecially marked, for example:

1. StoneAlso can be used for concrete,masonary, reinforced concreteand brick cutting.

2. SteelCan be used for all ferrous metalcutting.

3. AsphaltAlso can be used for aggregate

concrete cutting.4. Ductile iron

Also can be used for certain gradesof cast iron (SG 17-24), bronze andcopper cutting.

For cutting composite materials pleaseask your STIHL dealer.

Diamond abrasive wheels have a muchbetter cutting performance than theabrasive wheels. The wheels are steelcentered and diamond particles areimbedded in their cutting edges.

They can be used for concrete, asphalt,natural stone, clay pipe, brick and thelike.

They are not suitable for cutting metal orother materials.

Wet or dry cutting is possible. With wetcutting you get a longer life of yourwheel. Water attachments are availablefor your STIHL cut-off machine.See the appropriate section of yourowners manual.

Do not remount a used diamondabrasive wheel without first inspectingfor under-cutting, flatness, core fatigue,segment damage or loss, signs ofoverheating (discoloration) and possiblearbor hole damage.Check the wheel for cracks and make

sure that no pieces have broken off thewheel before use.

Always fit the wheel so that the arrow onthe wheel points in direction of therotation of the spindle.

Always stop the ecut-off machine dabrasive wheel coshort while after treleased (flywheecut-off machine w

is extremly dangeacceleration of thwheel to rotate. Amuffler.

By hand: When cmachine by handstopped and the cbe in the proper phandle and place

away from the bo

Always protect thhitting the groundDamaged wheelscause serious or

Prop

cut-off machine tospillage and damamachine.

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A wheel damaged during transportation

may shatter during operation and causeserious personal injury.

For assembly, follow the proceduredescribed at the appropriate section ofyour owners manual.

Before operation of your cut-off machinebe sure the controls (e.g. throttle trigger,stop switch.) and the safety devices areworking properly, the carburetor idle andmaximum speed are correctly adjusted,and the wheel guard is in place andsecurely fastened to your unit.All wheels should be carefully inspectedfor good condition before mounting.

Adjust the wheel guard sothat sparks, dust and cutmaterial are deflectedaway from the operator,and cannot reach

flammable surroundings. See operatinginstructions of your owners manual.

Never operate a cut-off machine that is

damaged, improperly adjusted or notcompletely and securely assembled.Inspect for safety in operation.

Proper tension of the V-belt is important.In order to avoid a false setting thetensioning procedure must be followedas described in your Manual. Always

make sure the hexagonal collar nuts for

the cast arm are tightened securely.Check V-belt tension after one hour ofoperation and correct if necessary.

The STIHL TS 350 and TS 360Cutquik

TMis supplied with a fuel filler

elbow connector to facilitate easier

refueling. Always keep the connectorand fuel filler cap tightened and properlysealed. A loose or improperly seatedconnector or cap may vibrate looseduring operation causing fuel spillagewhich may result in a fire which cancause serious or fatal injury. Neveroperate the unit with a cracked, brokenor improperly seated or adjusted fillerneck. This could permit fuel leakage and

lead to fire. Do not fill tank above thethreefourths level of the neck entrydiameter into the tank. Do not fill tankabove the "max" line on the fuel fillerelbow. Overfilling reduces the room inthe tank for fuel expansion and may leadto fuel spillage through the tank vent andrisk of fire.

Your STIHL cut-off machine uses anoil-gasoline mixture for fuel (see chapter"Fuel" of your owners manual).

Gasoflamigniteignitifire a

or property damation when handlinDo not smoke or near the fuel.

Fuel your cut-off mted areas, outdooAlways shut off thcool before refuelpressure by looseslowly.

Select bare grounat least 10 feet (3before starting thespilled fuel and ch

If fuel gets spilledtrousers, it is very

clothes immediateevaporation. Flamfuel may remain ofor longer than exwith cut-off machwet or damp fromdangerous as the

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might catch fire and cause serious or

fatal injury.

Always make sure that the fuel cap istightened securely. Check for fuelleakage while refueling and duringoperation. If a fuel leak is suspected,do not start or run the engine until leak isfixed and spilled fuel has been wipedaway.

Unit vibrations cancause an improperlytightened fuel cap toloosen or come off andspill quantities of fuel.

In order to reduce risk of fuel spillageand fire, tighten fuel cap by hand with as

much force as possible.The screw driver end of the STIHLcombination wrench or other similar toolcan be used as an aid in tighteningslotted fuel caps.

Your cut-off machine is a one-persontool. Do not allow otherpersons to benear the cut-off machine. Start andoperate your cut-off machine withoutassistance. For specific starting instruc-tions, see the appropriate section of yourowners manual.

Do not drop start. This method is very

dangerous because you may loosecontrol of the cut-off machine.Place the cut-off machine on firm groundor other solid surface in an open area.

Maintain a good balance and securefooting. Be absolutely sure that thecutting wheel is clear of you and all otherobstructions and objects, including theground; because when the engine starts

at starting-throttle, engine speed will befast enough for the clutch to engageV-belt pulley and turn the wheel. Neverattempt to start the cut-off machinewhen the abrasive wheel is in a cut.When you pull the starter grip, dontwrap the starter rope around your hands.

Do not allow the g

guide the starter rpermit the rope toFailure to follow thresult in injuries tomay damage the Always stop the ewheel has stoppesetting down the c

Operate the cut-ovisibility and dayli

Yoproex

asen

gases (e.g. carbocolorless and odo

To reduce the riskinjury from breathrun the cut-off mapoorly ventilated lproper ventilation

trenches or other

002BA058KN

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Never use the cut-off machine with one

hand. Your STIHL cut-off machine isdesigned for hand-held use or operationon a cut-off machine cart. Cutting withyour cut-off machine resting on theground or other surface can causeexcessive wear to the bracket designedto protect the bottom of the tankhousing. Loss of fuel and personal injuryfrom fire may result. Replace damagedor badly worn brackets immediately.

Grip: Always hold the cut-off machinefirmly with both hands when the engineis running. Place your left hand on fronthandle bar and your right hand on rearhandle and throttle trigger.

Left-handed users should follow thisinstruction too.Wrap your fingers tightly around the

handles, keeping the handles cradledbetween your thumbs and forefingers.Make sure your cut-off machine handlesand grip are in good condition and freeof moisture, pitch, oil or grease.

Avoid standing in direct line with the

wheel.

Take extreme care in wet and freezingweather (rain, snow, ice). Clear the areawhere you are working.

Avoid stumbling on obstacles and watchout for holes or ditches. Be extremelycautious when working on slopes oruneven ground.

Never operate the cut-off machine withthe starting-throttle lock engaged as thisdoes not permit proper control of the

speed of the unit and may lead toserious injury.

Spcainga c

mable ground. Alwaway from the opable surroundings

To reduce the riskdo not cut into ancontainer without does not contain substance.

The wheel guard extremely importaguard is in place aof work and your should always beuser is not endanthe material beingof damaged whee

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ricochet. Failure to follow this instruction

could result in serious or fatal injury.The ideal working speed of the cut-offmachine depends on many factors, e. g.,the material being cut, the type andquality of the cutting wheel.

It is essential to determine the directionof the cut exactly before applying theabrasive wheel to the work. Wheels areconstructed for pressure only.

pressure must be avoided.

Check for cracks and make sure that nopieces have broken off from the wheelwhen it is stopped.Check the wheel guard for cracks. If youdiscover any cracks, fit a new guard.

Hold the cut-off machine steady. Do notchange the direction of the cut duringthe cut as this may produce a hightorsional load on the abrasive wheel andmay cause it to break or shatter.

To achieve a clean and efficient cut, pullthe abrasive wheel across the work ormove it "to and fro" in the cuttingdirection. Do not use force to push the

abrasive wheel into the work.

Insert the wheel into the material only asdeep as necessary to make the cut.To reduce the amount of dust created,do not cut all the way through stone andconcrete materials - leave a thin pieceuncut. For most such materials, this

piece can be easily broken afterwards.

Do not cock, jam or wedge the wheel inthe cut.

Do not use abrasive wheels for roughgrinding. Large bending stresses occurduring such work and abrasive wheelsmay shatter or break and could causeserious or fatal injury.

If a cut-off machine cart is used, sweepdebris from the path of the wheels assuch may cause flexing of the abrasivewheel. This would result in high frictionalforces and thus greatly reduce theengine power available for the actualcutting work.

Always use the cart to cut in a straight

line.

When cutting masonry with a waterattachment:

1. Make certain water does not flow onwheel that is not running, since the

wheel will absorb water and that willaffect wheel balance.

2. Shut water off before wheel stopsso that excess water will bedissipated.

3. Be certain w

sides of whedistribution cwear with po

4. Use these wDo not store has been use

At correct idle speturn. For directionsee the appropriaowners manual.

Do not use a cut-rect idle speed adwheel may cause

Have your STIHLcut-off machine aadjustments or re

Never touch a rothand or any part o

Reactive forces mthe cutting wheel is rotating. If the wstopped by frictiosolid object or by may occur instan

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These reactive forces may result in the

operator losing control of the cut-offmachine, which may, in turn, result inserious or fatal injury.

An understanding of the causes of thesereactive forces may help you avoid lossof control. Reactive forces are exerted ina direction opposite to the direction inwhich the wheel is moving at the point ofcontact or pinch.

Pull-away, climbing and rotationalforces.

The most common reactive forces arepull-away and climbing. If the contact isat the bottom of the wheel, a cut-offmachine will try to pull away from theoperator (pull-away). If the contact is atthe front of the wheel, the wheel may

attempt to climb the object being cut(climbing). If the wheel is severelypinched at the front, the wheel may beinstantly thrown up and back towardsthe operator with a great force in arotational motion. The greater the forcegenerated, the more difficult it will be forthe operator to control the cut-offmachine. Any of the reactive forces can,in some circumstances, cause the

operator to lose control of a cut-offmachine, allowing the rotating wheel tocome into contact with the operator.Severe personal injury or death canresult.

Use only cutting attachment authorizedby STIHL. use chipped abrasive

wheels, circular saw blades, carbide

tipped blades, rescue blades or wood-abrasive or toothed blades of any natureon a cut-off machine. The use of suchwheels or blades will greatly increasethe risk of loss of control and severepersonal injury or death from reactiveforces, since the chipped section of anabrasive wheel, or the teeth of a sawblade may catch in the material beingcut and generate substantially greater

reactive forces.

Cut-off machines are designed for usewith abrasive wheels in good condition Machines designed for use withwood-abrasive or other toothed bladesuse different types of guarding systemswhich provide the protection neccessaryfor those types of blades. Machines,such as a cut-off machine, which are

designed for use with abrasive wheels,require a different guarding systemwhich is not designed to provide protec-tion against all dangers presented bycircular saw blades, carbide-tippedblades, rescue blades or wood-abrasiveor toothed blades of any nature.

To reduce the riskcontrol or from theabrasive wheel:

1. Hold the cut-both hands.

2. Maintain gooall times. Ne

on a ladder.

3. Do not exceeoperating spwheel.

4. Do not use adropped.

5. Never use c

carbide-tippeblades, woodtoothed bladuse increasereactive forcthrown tips.

6. Do not cut aabrasive whe

7. Position the a way that yoabrasive atta

8. Begin abrasthrottle.

9. Do not overr

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10. Do not cut above shoulder height.

11. Use your cut-off machine for abrasiveonly. It is not designed for prying orshoveling away any objects.

12. Do not grind on side of the abrasivewheel.

13. Do not twist, thrust, knock or drop themachine. This can cause damage

to the wheel.

14. Be especially alert for reactive forceswhen abrasive with the front of thewheel.

15. Be alert to shifting of the work piece

or anything that could cause the cutto close and pinch the wheel.

16. Release the pressure on thecut-off machine as you reach theend of the cut. Too much pressuremay cause the operator to losecontrol of the cut-off machine whenthe abrasive wheel completes thecut. The abrasive wheel may con-

tact the operator or strike someforeign object and shatter.

17. Use extreme caution whenre-entering a cut and do not turnthe wheel at an angle or push thewheel into the cut as this may resultin a pinching of the wheel.

Never operate a cut-off machine that isdamaged, improperly adjusted or notcompletely or securely assembled.

Follow the mainte

instructions in theyour owners man

Use only STIHL rmaintenance andmanufactured by serious or fatal inj

Always stop the ethat the wheel is sany maintenancecleaning the cut-oattempt any mainnot described in yHave such work pSTIHL service sh

Clean grinding du

Empty the fuel tanlonger than a few

Fuel may only belabeled and approAvoid direct skin cin-hale the petrol

Keep the handlesoil and fuel.

Tighten all nuts, bthe carburetor adeach use.

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Never test the ignition system withignition wire terminal removed fromspark plug or with unseated spark plug,since uncontained sparking may causea fire.

To reduce the risk of fire and burn injury,use only spark plugs authorized bySTIHL. Always press spark plug bootsnugly onto spark plug terminal of theproper size. (Note: If terminal hasdetachable SAE adapter nut, it must beattached.) A loose connection betweenspark plug terminal and ignition wireconnector in the boot may create arcingthat could ignite combustible fumes andcause a fire. Keep spark plug clean, and

make sure ignition lead is in goodcondition.

Do not operate your cut-off machine ifthe muffler is damaged, missing or modi-fied. An improperly maintained mufflerwill increase the risk of fire and hearingloss.

Never touch a hot muffler or spill fuel orother flammable liquid over it. Burn inju-ries or fire will result. If your muffler wasequipped with a spark-arresting screento reduce the risk of fire (e. g. in the USA,Canada and Australia), never operate

your cut-off machine if the screen is

missing or damaged.

Store spare wheels on a flat surface in adry place preferably at a constanttemperature where there is not risk offrost, preferably at a constant

temperature. Store cut-off machine in ahigh or locked place, away from children.

Do not store a cut-off machine with awheel mounted on the machine.

For any maintenance please refer to themaintenance chart near the end of this manual.

For periods of ab

Drain and cle

Run engine this helps prediaphragms

Remove the

Thoroughly cpay special acylinder fins

Store the ma

or locked locreach of childunauthorized

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TS 350

Mounting the Arbor Bearing and Guard

The cutting blade drive (bearing with arbor and bladeguard) must be assembled before the machine is used forthe first time. The arbor bearing can be mounted to theinboard or outboard side of the cast arm to suit cuttingrequirements. Under normal circumstances the driveshould be mounted inboard of the arm because of thebetter balance and only mounted outboard when required.

Inboard mounting

First fit V-belt (1) on the belt pulley (2) and position thebearing plate (3) against the inside of the cast arm (4) sothat the tapped holes line up with the slots in the cast arm.

Position V-belt guard (5) against the outside of the arm(4). Insert a hex. head screw (6) through one of the twofront holes and screw it into the bearing plate-move V-beltguard to and fro to ease insertion. Now let go of thebearing. Fit the other two screws (6) through the holes inthe V-belt guard (5) and screw them into the bearing plate- the eccentric adjuster (7) must be fitted on the rearscrew.

Outboard mounting

Position the bearing plate (3) against the outside of thearm (4) and fit the V-belt (1) on the belt pulley (2). If theV-belt is new, this operation is easier if the M 10 hex. headnut (8) is turned counterclockwise with the combinationwrench (17 mm), i.e. this turns the belt pulley (2). Positionbearing plate (3) so that the tapped holes line up with theslots in the arm.

Top: V-belt in position for inboard mounting

Center: Tightening hex. head screwBottom: V-belt in position for outboard mounting

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16

Top: Inserting hex. head screw

Bottom: Bearing mounted outboard

Tensioning the V-belt

Turning eccentric adjuster to tension V-belt

To tension the V-belt, first slacken off head screws (6) and moderately tighteneccentric adjuster). Then use a 13 mmto turn the eccentric adjuster (7) clockthe bearing to be shifted away from thetension the V-belt.

Once the correct tension has been reaeccentric adjuster (7) (as the rear hexbeen tightened down slightly the bearemain in the set position). Then finallyhex. head screws (6), starting with theccentric adjuster).

The V-belt is correctly tensioned if it cslightly (5-10 mm/

3/16-

3/8") with moderat

Overtensioning of the V-belt will accelera

On a new machine, or if a new V-belt hadvisable to check V-belt tension after hour and correct it if necessary.

Fit the V-belt guard (5) on the inside of the arm. Insert a

hex. head screw (6) through one of the two front holesand screw it into the bearing plate (3) - move V-belt guard(5) to and fro to ease insertion. The assembly sequence isotherwise as for "Inboard mounting".

When the cutting wheel is mounted outboard the wheelguard does not have the full 360 adjustment since themovement of the adjusting lever is restricted by thehandlebar mounting, i. e. reduced by about 20.

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TS 350

On the USA version a stop (1) is attached tsaw's bearing plate.

The rubber buffer (2) of this stop projects flange of the abrasive wheel guard so that itsis limited to the range shown (see illustprevents the guard being turned too far.

It is necessary to take out the mounting scrremove the rubber buffer (2) to turn the guapprox. 180 when the abrasive wheel is fitteboard side of the cast arm. Then turn the required position and refit the rubber buffer on

Abras ive Wheels

Cutting wheels for free-hand cutting operations are sub-jected to particularly high bending and compressive stres-ses. STIHL has therefore developed - together with lead-ing abrasive wheel manufacturers - top quality cuttingblades which exactly match the engine characteristics ofthe cut-off-saw. They are of a consistently high qualityand perfectly balanced.

Out-of-round or poorly balanced abrasive wheelsincrease vibration and reduce the service life of thecut-off-saw. Good abrasive performance can only beachieved with the abrasive wheels supplied by STIHL.

Abrasive wheels are heat sensitive. Always store yourcutoff-saw in a place where it is not exposed to directsunlight or other sources of heat.

Store spare cutting wheels in a dry place where there isno risk of frost, preferably at a constant temperature.

Your STIHL dealer stocks a range of special abrasivewheels (3 and 6 mm / 0.12 and 0.24 in thick) for the mani-fold applications cut-off-saw. For example, wheels forabrasive bituminous material, gravel asphalt, stone, con-crete, clay pipe, structural steel, highly alloyed steel, cast

iron, non-ferrous metals etc.

Limiting adjustment onabrasive wheel guard

Adjustment range of abrasive wheel guard

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18

Mounting the abrasive Wheel

The engine must be switched off and the arbor blockedbefore mounting or removing the abrasive wheel. To dothis, push the locking pin squarely through the hole in theV-belt guard. If one of the V-belt pulley spokes is in theway, use the combination wrench to turn the arbor until thelocking pin can be inserted.

Slacken off and remove the M 10 hex. head screw with the

combination wrench (17 mm) and take it off the arbortogether with the front thrust washer.

The cutting wheel can now be pulled off the arbor andtaken out of the guard. This operation is made easier if theblade guard is turned so that its lower edge is vertical.

Before fitting the new abrasive wheel, check that the rearthrust washer is positioned so that the notch in its centerhole engages over the lug on the arbor.

Mount the new abrasive wheel in the reverse sequence tothat described above. Make sure that the locking tab onthe front thrust washer engages in one of the two slots inthe arbor. Use combination wrench to securely tighten theM 10 hex. head screw.

Pay attention to arrows for direction of rotation when fittinga diamond abrasive wheel.

If a wider kerf is required (e. g. for installing induction

loops in road surfaces), two diamond abrasive wheelscan be used side by side. In such a case it is essential toensure that the segments of both wheels are positionedexactly next to one another.

Important! Two composite wheels must never be usedsimultaneously, for they may break and cause injuriesas they wear down unevenly.

Top: Blocking the arbor

Center: Removing hex. head screwBottom: Rear thrust washer correctly positione

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This engine is certified to operate onunleaded gasoline and with themix ratio 50:1.

Your two-stroke engine requires amixture of brand-name gasoline andquality two-stroke engine oil with the clas-sification TC.

Use regular branded unleaded gasolinewith a minimum octane rating of90 RON (U.S.A./Canada: pump octanemin. 89!). If the octane number of theregular grade gasoline in your area islower use premium unleaded fuel.Fuel with a lower octane rating mayresult in preignition (causing "pinging")which is accompanied by an increase inengine temperature. This, in turn,increases the risk of the piston seizureand damage to the engine.

The chemical composition of the fuel isalso important. Some fuel additives notonly detrimentally affect elastomers(carburetor diaphragms, oil seals, fuellines etc.), but magnesium castings aswell. This could cause running problemsor even damage the engine. For thisreason it is essential that you use onlyname branded fuels!

Use only STIHL two-stroke engine oil orequivalent branded two-stroke air-cooled engine oils with the classificationTC for mixing.

We recommend STIHL 50:1 two-strokeengine oil since it is specially formulatedfor use in STIHL engines.

Do not use BIA or TCW (two-strokewater cooled) mix oils!

Take care when handling gasoline.Avoid direct contact with the skin andavoid inhaling fuel vapour.

The canister should be kept tightlyclosed in order to avoid any moisturegetting into the mixture.

The fuel tank and the canister in whichfuel mix is stored should be cleanedfrom time to time.

Only mix sufficient fuel for a few dayswork, not to exceed 3 months of storage.Store in approved safety fuel-canistersonly. When mixing, pour oil into thecanister first, and then add gasoline.

Gaso- Oil (STIHL 50:1 orline equivalent branded TC oils)

US gal. US fl.oz

1 2.6 2 1/2 6.4 5 12.8

Dispose empty mixing-oil canisters onlyat authorized disposal locations.

Before fueling, cleand the area aroudirt falls into the ta

Always thoroughlthe canister befor

In order to reduceother personal injvapor and fumes,cap carefully so abuild-up in the tan

After fueling, tightas securely as po

Change the fuel p

Before storing yoperiod, drain and run engine until c

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20

Top: Choke lever in "CHOKE" position (cold

Center: Stop switch away from "Stop"Bottom: Starting-throttle position

Startin

To start, place cut-off-saw on ground, make sure youhave a firm foothold and the cutting blade is clear of allobstructions. Nobody else should be standing within theworking range of the machine.

Starting p rocedure

1. If the engine is cold, move choke lever (1) to "Choke".If the engine is warm, move choke lever (1) away from

"Choke". This procedure also applies when the enginehas been running but is still cold.

2. Move stop switch (2) away from "STOP".

3. Set throttle trigger (3) to half-throttle position bypressing in throttle trigger interlock (4), throttle trigger(3) and starting-throttle lock (5) in that order. Let go ofthrottle trigger (3) first and then the starting-throttle-lock(5).

4. Now hold the saw firmly on the ground with your lefthand on the handlebar (6).

5. Pull starter grip (5) slowly with your right hand until youfeel the starter engage. Then give starter rope a brisk,strong pull, but do not pull it out more than approx.70 cm (27.5 in) as it might otherwise break.Continue cranking until engine begins to fire. Then, ifyou are starting from cold, move choke lever (1)immediately away from "Choke" (choke opens) and pullagain.

6. As soon as the engine is running, disengage startingthrottle lock (5) immediately by briefly squeezing thethrottle trigger so that the engine can settle down toidle speed.

7. The engine is stopped by moving the stop switch (2) tothe "STOP" position.

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TS 350

Top: Starting

Center: Throttle trigger in idle positionBottom: Stop switch in "STOP" position

Points to observe when starting:

The choke lever is mechanically connected to thecarburetor's choke valve. The choke valve is closed whenthe choke lever is on "Choke" and open when the chokelever is moved away from "Choke".

When starting a cold engine only keep the choke lever inthe "Choke" position until the engine begins to fire. Thenmove the choke lever immediately, away from "Choke",even if the engine stops and you have to repeat thestarting procedure. If you leave the choke lever on"Choke", the combustion chamber will flood and stall theengine.

If you have moved the choke lever away from "Choke"

after the engine fired and the engine still does not run afterseveral attempts, it is already flooded. In such a case,remove and dry off the spark plug. Clear the combustionchamber by pulling starter rope several times with thespark plug still removed and the stop switch in the "STOP"position. When you now try to start, move the choke leveraway from "Choke", even if the engine is cold, and set thethrottle trigger to the starting-throttle position.

In very cold weather only open the choke sligtly after

starting-move choke lever to center position. Allow engineto warm up for a brief period at half-throttle. Then movechoke lever away from "Choke" and disengage thestarting throttle lock.

A new engine or one which has been run until the fueltank is dry will not start first time after fueling because fuelonly begins to reach the carburetor when the engine hasbeen turned over few times on the starter.

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000BA036TR

1

Wrong fuel mix (too much engine oil inthe gasoline), a dirty air filter andunfavorable running conditions (mostlyat part throttle etc.) affect the condition ofthe spark plug. These factors causedeposits to form on the insulator nosewhich may result in trouble in operation.

If engine is down on power, difficult tostart or runs poorly at idling speed,first check the spark plug.

Remove spark plug -see chapter Starting:

Clean dirty spark plug.

Check electrode gap -it should be 0.5mm/0.02" -readjust if necessary.

Use only resistor type spark plugsof the approved range.

Rectify problems which have causedfouling of spark plug:Incorrect carburetor setting, too much oilin fuel mix, dirty air filter,unfavorable running conditions, e.g.operating at part load.

000BA039KN

A

Fit a new spark plug after

approx. 100 operating hours -or earlier if the electrodes arebadly eroded.

To reduce the risk of fire and burn injury,use only spark plugs authorized bySTIHL (see Specifications). Alwayspress spark plug boot snugly onto

spark plug terminal

of the propersize. (Note: If terminal has detachableSAE adapter nut, it must be attached.)A loose connection between spark plugterminal and ignition wire connector inthe boot may create arcing that couldignite combustible fumes and cause afire.

A factory new mawith the carburetorich side for the fi(see chapter on "Ccylinder bore andadditional lubricatperiod.

As all the moving

during the break-resistances in theduring this periodengine only devepower after aboutThe carburetor semade leaner in orapparent increasecause the enginepermissible rpm (

and "Carburetor")

After a long perioit is advisable notimmediately, but at idling speed. Twhich has been g

during full throttledissipated by the also protects engcomponents (ignithermal overload.

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TS 350

Top: Removing air f ilter

Bottom: Component parts in correct sequence

When refitting, put the auxiliary filter onto the

its sealing edges over the shoulder inside the housing. Slip the prefilter over the main fi lter a

Place silencer and filter cover on the studs, fit and tighten down moderately.

Air Fil ter

The air filter's function is to intercept dust and dirt in thecombustion air and thus reduce wear on enginecomponents.

Clogged air filters reduce engine power, increase fuelconsumption and make starting more difficult.

The filter system consists of a prefilter, main filter and

auxiliary filter. Always clean the prefilter first if enginepower begins to drop off. It should be knocked out on thepalm of your hand or blown out with compressed air. Theprefilter can also be washed out in clean gasoline if it isvery dirty, but must be completely dry before you refit it.For this reason we recommend that you use two prefiltersin rotation.

Always renew a dirty main filter. We do not recommendcleaning this paper element since the results are

unsatisfactory and the risk of damaging the filter paper istoo great.

If the main filter should fail for any reason (e.g. damage),the auxiliary filter will protect the engine from damage.Failure of the main filter is indicated by a noticeable layerof dirt on the flocked wire mesh of the auxiliary filter. If thishappens, clean the auxiliary filter when you change themain filter.

As long as the main filter is in good condition there is no

need to clean the auxiliary filter as it is normally kept freefrom dirt.

Close the choke shutter - move choke lever to "Choke".Unscrew the wingnuts (1) and take off the filter cover (2)and silencer (3). Pull the prefilter (4) off the main filter (5).If necessary, also remove the auxiliary filter (6), knock itout on the palm of your hand and wash it in anon-flammable cleaning solution (warm soapy water).

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It is usually necessetting of the idle after every cspeed adjusting s

Set to standard se

Turn the idlescrew cthe cutting wthen back offof a turn

Set to standard se

Turn the idlescrew c

the cutting wthen turn scrturn in the sa

Idle setting is too ambient temp.)

Turn the lowscrew cono further thauntil engine rsmoothly

Exhaust emissions are controlled by thedesign of the fundamental engineparameters and components(e.g. carburation, ignition, timing andvalve or port timing) without the additionof any major hardware.

The carburetor is set at the factory toguarantee an optimum fuel-air mixtureunder all operating conditions.

It ensures that your machine will runsmoothly, be fuel efficient, operatereliably and produce low emissions.

Check the air filter and clean or

replace it if necessary Check the spark arresting screen

and clean or replace it if necessary

Turn the high speed adjustingscrew counterclockwise as faras stop, i.e. 1/4 turn from max.

lean setting

Turn the low speed adjusting

screw clockwise as far as stop -then back off the screw one quar-

ter of a turn

330BA001KN

L H LA

H1/4

L1/4

If the engine runs unsatisfactorily, slightreadjustment may be necessary:

Check standard setting

warm up the engine

Turn the high speed adjustingscrew clockwise (leaner)

If you make the setting too lean, theengine might be damaged as a result ofinsufficient lubrication and overheating.

H1/4

L

1/4

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TS 350

Replacing the starter rope

First remove the three screws which retain the fanhousing. Then take off the fan housing.

Use a screwdriver or a suitable pair of pliers to carefullyremove the spring slip (1) from the starter post. Now takeoff the thrust washer (2) and pawl (3) and pull the roperotor (4) off the starter post. Remove remaining rope fromthe rotor and starter grip (5).

Thread the new rope - Part No. 1122 190 2900 - throughthe top of the starter grip and down through the guidebush (6). Pull the rope through the rotor and secure it with

a simple overhand knot.

Slide rotor onto the starter post and turn it back and forthuntil the rewind spring's anchor loop (7) engages.

Top: Possible special knots

Bottom: Component parts of the starter assembly

Rewind Starter

Removing the mounting screws

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26

back of the rope rotor. Rotate the rotor back and forth untilthe slotted area engages the starter rewind spring anchorloop.

Now insert pawl in rope rotor and press spring clip onto

starter post with a suitable pair of pliers, making sure thatthe spring clip engages on the pawl's guide pin and pointsit in the clockwise direction. Then tension rewind spring.

Replacing a broken rewind spring

Remove the rope rotor as above. The spring housingtogether with the rewind spring can then be removed fromthe fan housing by turning the fan housing over and let it

drop out of the recess in the fan housing. A replacementspring and spring housing are supplied as an assembly.Lubricate the spring with a few drops of non-resinous oilbefore installing it.

Drop the rewind spring/housing assembly (with the bottomplate area up) into the fan shroud recess. If the springshould pop out of its housing during installation re-insert itin its housing starting from outside to inside incounterclockwise direction. Reassemble the rope rotor asabove.

Tensioning the rewind spring

Rewind the starter rope by turnincounterclockwise direction until the reached a distance of about 20 cm (8

shroud. Form a loop in the remaining roof the rope rotor. Use this loop to tuclockwise by three full revolutions and hin place by hand. Pull out and straightenGradually release the rope rotor and rope until it is fully rewound on the ropforce.

The rewind spring is tensioned correctlyis held firmly in place against the starter

tension and does not droop. If more teadd one more turn on the rope rotor. Thebe able to be rotated by at least one-halfthe rope pulled all the way out. If sprgreat pull out the starter rope, hold thand, and remove one turn of the rope.

A rewind spring that is tensioned probably break.Re-install the fan shroud with the threesecurely tightened.

Installing the spring clip Tensioning the rewind spring

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TS 350

Changing the V-belt

Arbor bearing and guard mounting screws

To change the V-belt, first remove the arbor bearing andabrasive wheel guard. To do this, unscrew the threemounting screws, take off the V-belt guard and lift thearbor bearing and abrasive-blade guard away from the V-belt.

Now remove the three mounting screws from the castarm. Push the engine slightly to one side and take off thecast arm.

Place the new V-belt in the cast arm (see illustration) andreassemble. Check the position and freedom of move-ment of the V-belt before finally tightening the mounting

screws. Refit the arbor bearing and abrasive wheel guard- refer to "Assembling the Arbor Bearing and Guard" and"Tensioning the V-belt".

Top: Mounting screws on cast armCenter: Removing cast armBottom: Cast arm with V-belt

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28

STIHL CutquikTMCart 4201 710 1403and Cutting Depth Limiter 42010071041

(special accessory)

Spark arrestingin the muffler

The spark arresting smust be checked if thperformance deterior

Unscrew the scr Remove the spa

screen (2)with s

Clean the soiled screen, do not w The screen mus

damaged or if thbuild-up of carbo

Refit the spark a Fit the screw Do not operate t

screen in place.

The TS 350 can be mounted on a cart which greatly

simplifies handling of the machine and enables smooth,straight cuts to be obtained for road repairs and applyingroad markings as well as when abrasive joints and edges.

A abrasive depth limiter is also available as a specialaccessory and enables a constant depth of cut to bemaintained when working with a diamond abrasive wheel.

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The following information refers to normal operating conditions.

The specified intervals must be reduced accordingly when working underaggravated conditions (severe dust formation, etc.) and with longer dailyworking hours.

Before

startingwork

Afterworkordaily

Everytime

afterrefuelling

Weekly

Monthly

Complete machineVisual inspection (condition, absence of leaks) x x

Clean x

Throttle trigger, throttle trigger interlock,slide control Functional test x x

Filter in fuel tankCheck x

Replace

Fuel tank Clean x

V-beltClean x

Replace

Air filter (prefilter, auxiliary filter) Clean x

Air filter (all filter components) Replace

Cooling air intake ports Clean x

Cylinder fins Clean x

Spark arresting screen in the mufflerInspect x

Clean or replace

Carburetor Check idle speed -the cutting wheel must not run on x x

Adjust idle speed

Spark plug Adjust electrode gap

Accessible nuts and bolts(but not adjusting screws)

Retighten

Rubber buffer (AV element)Have replaced by theSTIHL customer service

Abrasive wheelCheck x x

Replace

Support/Bracket/Rubber buffer(Bottom side of unit)

Check x

Replace

The user of this unit should carry outonly the maintenance operationsdescribed in this manual. Other repairwork may be performed only by anauthorized STIHL Service dealer.

Original STIHL paby the STlHL part logosymbolThe salone on small pa

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STIHL single-cylinder two-stroke engineDisplacement: 60.3 cm

3

(3.68 cu.in)Cylinder bore: 49 mm (1.93 in)Piston stroke: 32 mm (1.26 in)Power: 3.0 kW (4.1 HP)

Rated spindlespeed: 5,000 r.p.m.

(make sure that the maximum operatingwheel speed is above or equal to therated spindle speed of your cut-off ma-chine).

Type:Electronically controlled(breakerless) magneto ignitionSpark plug(interference-suppressed): Bosch WSR 6 F

Champion RCJ 6 Yor NGK BPMR 7 A,

Electrode gap: 0.5 mm (0.02 in)Spark plug thread: M14 x 1.25,

9.5 mm (0.37 in)long

Carburetor:All-position diaphragm carburetor withintegrated fuel pump

Air filter:Prefilter, large main filter (paper filtercartridge) and flocked auxiliary filter

Fuel tank capacity:0.55 litres (1.2 pt)

Fuel mix:refer to the chapter " Fuel mix".

Composite abrasive wheels for steel,stone, asphalt, ductile cast pipesand plastics*.Diamond abrasive wheels for stoneand asphalt.

Dia. 300 mm (12 in) or 350 mm (14 in)2.6 to 6 mm (0.10 to 0.24 in) thickCutting depth approx.100 mm (3.9 in) with300 mm (12 in) wheel115 mm (4.5 in) with

350 mm (14 in) wheel

* Not available in all countries

Length including wheel dia. 300 m(12 in):Height up to guarWidth includinghandle bar:

(without a

with dia. 300 mmwith dia. 350 mm

Set of tools

STIHL CutquikTM

Attachment (TS 3Cutting depth limiWater attachmenWater container

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The U.S. Environmental ProtectionAgency (EPA) and STIHL Incorporatedare pleased to explain the EmissionControl System Warranty on your equip-ment type engine. In the U.S. new 1997and later model year small off-roadequipment engines must be designed,built and equipped, at the time of sale, tomeet the U.S. EPA regulations for small

non road engines. The equipment enginemust be free from defects in materialsand workmanship which cause it to failto conform with U.S. EPA standards forthe first two years of engine use from thedate of sale to the ultimate purchaser.

STIHL Incorporated must warrant theemission control system on your smalloff-road engine for the period of timelisted below provided there has been noabuse, neglect or improper maintenanceof your small off-road equipment engine.

Your emission control system includesparts such as the carburetor and theignition system. Also included may behoses, and connectors and otheremission related assemblies.

Where a warrantable condition exists,STIHL Incorporated will repair your smalloff-road equipment engine at no cost to

you, including diagnosis (if thediagnostic work is performed at an

authorized dealer), parts, and labor.

In the U.S., 1997 and later model yearsmall off-road equipment engines arewarranted for two years. If any emission-related part on your engine is defective,the part will be repaired or replaced by

STIHL Incorporated free of charge.

As the small off-road equipment engineowner, you are responsible for theperformance of the required mainte-nance listed in your owners manual.STIHL Incorporated recommends thatyou retain all receipts covering mainte-nance on your small off-road equipmentengine, but STIHL Incorporated cannotdeny warranty solely for the lack ofreceipts or for your failure to ensure theperformance of all scheduled mainte-nance.

Any replacement part or service that is

equivalent in performance and durabilitymay be used in non-warranty mainte-nance or repairs, and shall not reducethe warranty obligations of the enginemanufacturer.

As the small off-roowner, you shoul

that STIHL Incorpwarranty coveragequipment enginedue to abuse, negnance or unappro

You are responsismall off-road equSTIHL service ceproblem exists. T

be completed in atime, not to excee

If you have any qyour warranty righplease contact a Sservice represent8445 or you can w

STIHL Inc.,536 Viking Drive, Virginia Beach, V

STIHL Incorporatultimate purchasequent purchaser tequipment engine

and equipped, at meet all applicablIncorporated alsopurchaser and ea

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purchaser that your engine is free fromdefects in materials and workmanship

which cause the engine to fail to conformwith applicable regulations for a periodof two years.

The warranty period will begin on thedate the utility equipment engine ispurchased by the initial purchaser andyou have signed and sent back the

warranty card to STIHL. If any emissionrelated part on your engine is defective,the part will be replaced by STIHLIncorporated at no cost to the owner.Any warranted part which is notscheduled for replacement as requiredmaintenance, or which is scheduled onlyfor regular inspection to the effect of"repair or replace as necessary" will bewarranted for the warranty period. Anywarranted part which is scheduled forreplacement as required maintenancewill be warranted for the period of timeup to the first scheduled replacementpoint for that part.

You, as the owner, shall not be charged

for diagnostic labor which leads to thedetermination that a warranted part isdefective. However, if you claim warrantyfor a component and the machine istested as non-defective, STIHLIncorporated will charge you for the costof the emission test.

Mechanical diagnostic work will beperformed at an authorized STIHL

servicing dealer. Emission test may beperformed either at STIHL Incorporatedor at any independent test laboratory.

STIHL Incorporated shall remedywarranty defects at any authorizedSTIHL servicing dealer or warrantystation. Any such work shall be free of

charge to the owner if it is determinedthat a warranted part is defective. Anymanufacturer-approved or equivalentreplacement part may be used for anywarranty maintenance or repairs onemission-related parts and must beprovided without charge to the owner.STIHL Incorporated is liable for damagesto other engine components caused bythe failure of a warranted part still underwarranty.

The following list specifically defines theemission-related warranted parts:

CarburetorChoke (Cold start enrichment system)Intake manifoldAir filter

Spark plugMagneto or electronic ignition system(ignition module)Catalytic converter (if applicable)Fasteners

Bring the productSTIHL servicing dsigned warranty c

The maintenancemanual are basedthe recommendemixture (see alsoDeviations from th

regarding quality and oil may requiintervals.

This Emission Coshall not cover an

- repair or replacbecause of misrequired mainte

- repairs impropereplacements nSTIHL Incorporadversely affecdurability, and amodifications napproved in wri

Incorporated,

and

- replacement ofservices and adfor required mathe first schedu

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