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1. re IA I Power Tools Item 3343109 3 VARIABLESPEED BENCH GRINDER USER S MANUAL Foss NG yyy Read carefully and understandRULES FOR SAFEOPERATION and instructions before operating Failureto follow thesafety rules andother basic safety precautions may resultin serious personal injury Assembly and Operation Instructions Made in China Fortechnicalquestions and replacementparts please call 1 800 222 5381 Thank you very much forchoosing aNORTHERNTOOL EQUIPMENT CO Product For future reference please complete the owner s record below Model PurchaseDate ________ ave thereceipt warranty andthese instructions It isimportant you readthe entire manual to become familiar withthis product before you beginusing it his product is designed for certainapplications only Northern Tool Equipment strongly recommends that this product is not modified and orused for any application otherthan that for which itwas designed Ifyou haveany questions relative toa particular application DONOT use the productuntil you have first contactedNorthern Tool Equipment to determine ifit can or should be performed on the product Before using this product please readthe followinginstructions carefully SPECIFICATIONS Power Input 110V AC 60Hz Electrical Requirements Power Cord Length 70 7 8 180cm Power Cord Plug Type 3 Prong Grounded Speed Variable speed0 10 000 RPM Grindin2. 1 Stand tothe side ofthe wheel for this operation 2 If thewheel is newlet it runfor a minute with noload If the wheel runs straightand true youwil not need todress it priorto operation Ifit dose not proceed with thefollowing instructions B If youare using a pistol grip dresser grip the handle firmly with one hand andthe arm oft he dresser withthe other Allow the wheelto reach fullspeed Use thetool rest to support your hand and thedresser andevenly applythe dresser toall surfaces ofthe wheel Thewheel can be dressed in afew minutes 4 If youare using an inline dresser hold the handlefirmly putthe dresser onthe tool test so that its wheels can move freely i e the exposed part of the wheel shouldbe facing up Let the wheel reach fullspeed and applythe dresser evenly to allsurfaces PARTLIST Part No Description Quantity Part No Description Quantity 1 Left Nut M10 1 30 Plastic Shield 2 2 Wheel Pushing Ring 4 31 Lock Nut M4 2 3 Polishing Wheel 1 32 Plastic Shield Mounting Plate 2 4 Nut M4 6 33 Flat Washer 2 5 Spring Washer M4 13 34 Spring Washer 2 6 Flat Washer 4 3x12x1 4 35 Pan Head ScrewM6x20 2 7 Steel Sleeve 2 36 Pan Head ScrewM4x40 2 8 Wheel Cover 37 Cover 9 Bearing Cover 38 Grinding Wheel 0 Brush Cover 2 39 Gasket 2 1 Bearing 40 Nut M10 12 Brush 2 41 Flexible Shaft Connector 3 Motor Housing 42 Rotating Guard 4 Flat Washer 4 3x8x0 5 9 43 Wheel
3. Cover 5 Short Sleeve 2 44 Pan Head ScrewM5x10 6 Brush Holder 45 Flexible Shaft Connector Nut 17 Long Sleeve 2 46 Knob 8 Stator 47 Nut M10 9 Stator Bolt 2 48 Washer 20 Snap Ring 2 49 Switch 3 0f 5 Part No Description Quantity Part No Description Quantity 21 Fan Shroud 1 50 Base 22 Rotor 1 51 Circuit Board 23 Rubber Gasket 2 52 Pan Head ScrewM4x10 5 24 Workpiece Holder 2 53 Plastic Cover 25 Pan Head ScrewM5x8 11 54 Rubber Feet 4 26 Spring Washer M5 16 55 Pan Head ScrewM5x18 4 27 Flat Washer 16 56 Sleeve Plate 28 Bearing 1 57 Circuit Sleeve 29 Grinding Wheel Cover 1 58 Cord TR 40f5 50f5
4. use the tool if any switch doesnot turn onand off properly 13 Replacement parts and accessories When Servicing use only identical replacementparts Use of otherparts will void the warranty Only use accessories intended foruse with this tool 14 Use proper size andtype extension cord If an extension cord is required It mustbe of the proper size andtype to supplythe correct currentto the tool without heatingup otherwise the xtension cordcould melt andcatch fire orcause electrical damagedto the tool This tool requires use ofan extension cord of Oto 10 Amps capability upto 50 feet with wiresize rated at 18 AWG Longer extension cords require a largersize wire Ifyou are usingthe tool outdoors use an extension cord rated for outdooruse signified by WA on thejacket 15 Take cautionas some woods containpreservatives such as copper chromiumarsenate CCA which can be toxic When using these materials extra care should betaken to avoid inhalation and minimize skincontact Wear anapproved dusk mask or respirator 16 Maintenance For yoursafety serviceand maintenance shouldbe performed regularlyby a qualified technician DDITIONAL SPECIFIC SAFETY INSTRUCTIONS FOR BENCH GRINDERS 1 When grindingany metals the grinder can producesparks which mayland on yourclothing or hit your face You shoulduse a fullface mask andappropriate protective clothing Alsoensure hat you arenot operating the grinder around flammable materials of liquids Always
5. g Wheel 3 Diameter x3 4 Thick Buffing Wheel 3 Diameter x3 4 Thick Arbor Size 1 2 12mm Diameter SAVE THIS MANUAL You willneed this manualfor the safety warnings operatingand maintenance procedures parts ist and diagram Keep yourinvoice withthis manual Write the invoice number onthe inside ofthe front cover Keep themanual and inwice in asafe and dryplace for futurereference Safety Warnings andPrecautions WARNING hen using this tool basic safety precautions shouldalways be followed toreduce the risk of personal injury and damageto equipment Read all instructions before using this product 1 Avoid working alone Should an accidentoccur anassistant can bringhelp 2 Disconnect power Unplug tool when not inuse before servicingand when changingaccessories such as grindingwheels Neverwalk awayand leavethe tool running 3 Keep work area clean Cluttered areas invite injuries Keep children and petsaway Children must never be allowedin the workarea Do notlet them handle machines tools or extension cords Neverallow unsupervised oruntrained personnel to operate the machine 5 Store idle equipment When not inuse tool mustbe stored ina dry location to inhibit rust Iways lockup tools andkeep out ofreach of children 6 Dress properly Do not wearloose clothing orjewelry as theycan be caughtin moving parts Protective electricallynonconductive clothes andnonskid footwearare recommended when working Wearrestrictive hair cove
6. ginto an electrical outlet 2 Turnthe speed controlknob 46 clockwiseto turn the motor ON andadjust its speed i Toturn OFF turn theknob Counter DRAN SENT ee WARNING he grinding wheelcan flyapart andcause injury Grindingwheels must always be checkedfor cracked forcracks or imperfections This is done with the ringtest Tap the wheel gently near the outer rim with the handle of a screwdriver You should heara clear bell likering If adull thud occurs do notuse the wheel The wheel maybe damaged andcould come apart duringoperation CAUTION Always wearANSI approved safetyglasses when grinding 1 Always bring the workpieceinto the wheelgently withoutjarring 2 The workpiecewill quickly become heated therefore frequent quenching inwater is required 3 When grindinghigh speed steelssuch as drilland tool bits avoid high temperature buildup as this can affectthe temper ofthe steel 4 For smallworkpieces such asdrill bits orchisels avoidapplying pressure tothe wheel ata high angle that couldcause the workpieceto become lodgedbetween the tool rest andthe wheel 5 When usingthe Flexible Shaft be sure the Grinder is turned OFF and waitfor it to stop before setting down theFlexible Shaft MAINTENANCE Dressing the GrindingWheel Note New wheels frequentlyare not trueand during operation will often become grooved glazed build up outof round ormisshapen Youwill need agrinding wheel dresserfor this operation
7. make sure he safetyshields and wheel guards are inplace at alltimes Keep guards in placeand in good orking order 2 Make surethe grinding wheels are of the proper speed RPM rating for the grinder 3 Frequentlyquench the workpiecein waterto preventoverheating be careful not toget water n the benchgrinder Use thetool rest to steady the workpiece If thetool rest isnot used thetorque ofthe spinning rinding wheel maypull the workpiecefrom yourhands 5 Do notuse aluminum oxide wheels when grindingnonferrous metalssuch as aluminumand brass Use siliconcarbide wheels fornonferrous metals 6 When buffing material always hold the materialon the lower side ofthe buffing wheel Always keep fingers clearof the grindingwheel and thetool rest Note Performance of this tool mayvary depending on variations in localline voltage Extension cord usage may also affecttool performance WARNING he warnings cautions and instructions discussedin this instruction manual cannot cover all possible conditions andsituations that mayoccur Itmust be understood by the operator that common sense andcaution are factors which cannotbe built intothis product butmust be supplied by theoperator UNPACKING When unpacking checkto makesure the following parts are included 1 3 BenchGrinder 1 Flex Shaft 1 Wrench 1 Grinder wheel 1 2 un Fiber Wheel Grinding StoneBits OPERATION Turning the Bench Grinder ON and OFF 1 Insert the plu
8. ring to contain long hair Wear anANSI approved dustmask or respirator 7 Use eye protection Always wearANSI approved impact resistantsafety goggles 8 Do not overreach Keep properfooting and balance at alltimes Do notreach overor across electrical cables orframes 9 Maintain tools with care Inspect grinding wheels and powercord periodically for cracks and other damage ifnecessary havethem repaired byan authorized technician 10 Use the right toolfor the job Do not attempt to force a smalltool or attachmentto do the work pra largerindustrial tool Thereare certain applications for which thistool was designed Do not odify this tooland do notuse this toolfor a purpose for whichit was notintended 11 Stayalert Watch what you are doingand use common sense Do notoperate anytool when de are tiredor under theinfluence of alcoholor drugs Readwarning labels on prescriptions to etermine if your judgment orreflexes areimpaired while takingdrugs If thereis any doubt do ot operate the tool lof5 Check for damaged parts Before using thistool anypart that appears damagedshould be carefully checked to determine thatit will operate properly and performas intended Checkfor alignment and bindingof moving parts broken parts ormounting fixtures andany othercondition hat may affect proper operation Any part that isdamaged should be properly repaired or replaced by aqualified technician Donot
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