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  • This Manual is Bookmarked

    Operating Instructions Parts ManualSquare Wheel Belt GrinderModels: 4103, 4106, and 4126AC

    Part No. 5507796Revision C2 09/04

    Copyright WMH Tool Group

    WHM TOOL GROUP2420 Vantage DriveElgin, Illinois 60123Ph.: 800-274-6848www.wmhtoolgroup.com

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    Table of ContentsCover Page .........................................................................................................................................1General Specifications .........................................................................................................................4Operating Precautions .........................................................................................................................5Setup and Operation............................................................................................................................7Maintenance ......................................................................................................................................10Wiring Diagrams ................................................................................................................................12Replacement Parts ............................................................................................................................13Troubleshooting .................................................................................................................................13Accessories .......................................................................................................................................17

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    General SpecificationsThe Wilton Square Wheel Belt Grinder,Models 4103, 4106 and 4126AC, aredesigned for grinding, deburring,chamfering, and internal/external grinding ofsmall and large parts. The Square WheelBelt Grinder can be used to polish or bufffinished parts and grind small internal radiiusing available accessories. Accessorychangeover is quick and easy. Belt tensionand tracking are easily adjustable.

    The Square Wheel Belt Grinder is availablein either single speed (Models 4103 and4106) or variable speed model (Model4126AC). The variable speed model iscontrolled by an inverter that provides beltspeeds ranging from 0 to 6000 SFPM.

    Specifications Model 4103 Model 4106 Model 4126AC

    Belt Width & Length 2 x 72 Inches 2 x 72 Inches 2 x 72 inches

    Belt Speed 4600 SFPM 4600 SFPM 0 - 6000 SFPM

    Motor 1 HP, Single Phase, 2 HP, Three Phase, 1 HP, 1,750 rpm1750 rpm 1750 rpm

    Contact Wheel Diameters 1-1/2, 3, & 8 inches 1-1/2, 3, & 8 inches 1-1/2, 3, & 8 inches

    Weight 115-125 pounds 120 pounds 120 pounds

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    - Misuse of this machine can cause serious injury.- For safety, machine must be set up, used andserviced properly.- Read, understand and follow instructions in theoperators and parts manual which was shipped withyour machine.

    When setting up machine:- Always avoid using machine in damp or poorlylighted work areas.- Always be sure machine is securely anchored tothe floor.- Always keep machine guards in place.- Always put start switch in OFF position beforeplugging in machine.

    When using machine:- Never operate with machine guards missing.- Always wear safety glasses with side shields (SeeANSI Z87.1)- Never wear loose clothing or jewelry.- Never overreach you may slip and fall into themachine.

    You the stationary power tool userhold the key to safety.Read and follow these simple rules for best resultsand full benefits from your machine. Used properly,Wiltons machinery is among the best in design andsafety. However, any machine used improperly canbe rendered inefficient and unsafe. It is absolutelymandatory that those who use our products beproperly trained in how to use them correctly. Theyshould read and understand the Operators and PartsManual as well as all labels affixed to the machine.Failure in following all of these warnings can causeserious injuries.

    Machinery general safety warnings

    - Never leave machine running while you are awayfrom it.- Always shut off the machine when not in use.When servicing machine:- Always unplug machine from electrical power whileservicing.- Always follow instructions in operators and partsmanual when changing accessory tools or parts.- Never modify the machine without consulting WiltonCorporation.

    1. Always wear protective eye wear when operatingmachinery. Eye wear shall be impact resistant,protective safety glasses with side shields whichcomply with ANSI Z87.1 specifications. Use ofeye wear which does not comply with ANSI Z87.1specifications could result in severe injury frombreakage of eye protection.

    2. Wear proper apparel. No loose clothing orjewelry which can get caught in moving parts.Rubber soled footwear is recommended for bestfooting.

    3. Do not overreach. Failure to maintain properworking position can cause you to fall into themachine or cause your clothing to get caughtpulling you into the machine.

    4. Keep guards in place and in proper workingorder. Do not operate the machine with guardsremoved.

    5. Avoid dangerous working environments. Do notuse stationary machine tools in wet or damplocations. Keep work areas clean and well lit.

    6. Avoid accidental starts by being sure the startswitch is OFF before plugging in the machine.

    7. Never leave the machine running while unattended.Machine shall be shut off whenever it is not inoperation.

    8. Disconnect electrical power before servicing.Whenever changing accessories or generalmaintenance is done on the machine, electricalpower to the machine must be disconnectedbefore work is done.

    9. Maintain all machine tools with care. Follow allmaintenance instructions for lubricating and thechanging of accessories. No attempt shall bemade to modify or have makeshift repairs done tothe machine. This not only voids the warranty butalso renders the machine unsafe.

    10. Machinery must be anchored to the floor.11. Secure work. Use clamps or a vise to hold work,

    when practical. It is safer than using your handsand it frees both hands to operate the machine.

    12. Never brush away chips while the machine is inoperation.

    13. Keep work area clean. Cluttered areas inviteaccidents.

    14. Remove adjusting keys and wrenches beforeturning machine on.

    15. Use the right tool. Dont force a tool or attachmentto do a job it was not designed for.

    16. Use only recommended accessories and followmanufacturers instructions pertaining to them.

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    A B C D

    17. Keep hands in sight and clear of all moving partsand cutting surfaces.

    18. All visitors should be kept at a safe distancefrom the work area. Make workshop completely

    safe by using padlocks, master switches, or byremoving starter keys.

    19. Know the tool you are usingits application,limitations, and potential hazards.

    General Electrical CautionsThis machine should be grounded in accordance withthe National Electrical Code and local codes andordinances. This work should be done by a qualifiedelectrician. The machine should be grounded toprotect the user from electrical shock.

    Wire sizesCaution: for circuits which are far away from theelectrical service box, the wire size must be in-creased in order to deliver ample voltage to themotor. To minimize power losses and to preventmotor overheating and burnout, the use of wire sizesfor branch circuits or electrical extension cordsaccording to the following table is recommended:

    AWG (American wire gauge) NumberConductor Length 240 Volt Lines 120 Volt Lines

    0 - 50 Feet No. 14 No. 1450 - 100 Feet No. 14 No. 12Over 100 Feet No. 14 No. 8

    Abrasive grinding can be hazardous to operators andbystanders. Grinding sparks, chips and dust par-ticles thrown off by the grinding disc can causeserious injury by contact or inhalation. To avoidsuch injuries you must comply with the followingsafety requirements:1. Always wear protective eyewear when operating

    machinery. Eye wear shall be impact resistant,protective safety glasses with side shields whichcomply with ANSI Z87.1. Use of eye wear whichdoes not comply with ANSI Z87.1 specificationscould result in severe injury from breakage ofeye protection. See Figure A, below.

    2. Wear leather safety gloves, arm guards, leatheraprons and safety shoes.

    3. A dust collection system is recommended,Operator shall also wear a dust mask at alltimes. See Figure B, below.

    4. Additional precautions may be necessary forgrinding materials which are flammable or haveother hazardous properties. You should alwaysconsult the manufacturer of such materials forinstructions on grinding and handling.

    5. Do not force or jamb the workpiece into thegrinding disc.

    6. Before grinding, always allow the motor to comeup to operating speed, then check the grindingdisc for wobble, runout, or any unbalanced

    Safety requirements for abrasive grinding machinescondition. If the disc is not operating accuratelyand smoothly, immediately stop the motor andmake repairs before attempting any grindingoperations.

    7. Abrasive discs must be stored in a controlledenvironment area. Relative humidity should be35% to 50% and the temperature should bebetween 60 and 80 degrees Fahrenheit. Failureto do so could cause premature disc failure.

    8. Examine the face of the grinding disc carefully.Excessive grinding which wears down to thebacking material can tear the disc. Never use adisc which shows backing, nicks or cuts on thesurface or edge or damage due to creasing orpoor handling.

    9. When installing a new disc, be certain the disc isaccurately centered on the drive wheel. Fail

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