3M 28628 Grinder User Manual


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7 8
ProductConguration/Specications
Model
Number
Speed RPM Collet Size in.
(mm)
Neck Type Net Wt. kg
(lb.)
Length mm
(in.)
*Noise Level
dBA Pressure
(Power)
**Vibration
Level m/s ²
(ft/s ²)
**Uncertainty K
m/s ²
28627 18,000 ¼(6.35) Short 522(1.15) 184(7.25) 86.1(97.7) 2.91(9.56) 0.15
28628 18,000 ¼(6.35) Extended 690(1.52) 266(10.5) 77.9(89.5) 1.41(4.62) 0.04
28629 25,000 ¼(6.35) Short 405(0.89) 152(6.0) 80.2(91.8) 1.98(6.56) 0.14
28630 25,000 ¼(6.35) Extended 639(1.40) 247(9.75) 79.4(91.0) 4.51(14.8) 0.12
*Declarednoiselevels;measurementscarriedoutinaccordancewithstandardENISO15744.
**DeclaredvibrationlevelsinaccordancewithEN12096;measurementscarriedoutinaccordancewithstandardENISO8662-13.
IMPORTANTNOTE:Thenoiseandvibrationvaluesstatedinthetablearefromlaboratorytestinginconformitywithstatedcodesandstandardsandarenot
sufcientriskevaluationforallexposurescenarios.Theactualexposurevaluesandamountofriskorharmexperiencedtoanindividualisuniquetoeach
situationanddependsuponthesurroundingenvironment,thewayinwhichtheindividualworks,theparticularmaterialbeingworked,workstationdesign,as
wellasupontheexposuretimeandthephysicalconditionoftheuser.3Mcannotbeheldresponsiblefortheconsequencesofusingdeclaredvaluesinsteadof
actualexposurevaluesforanyindividualriskassessment.
Operating/MaintenanceInstructions
PRIORTOTHEOPERATION
Thetoolisintendedtobeoperatedasahandheldtool.Itisalwaysrecommendedthatwhileusingthetool,operatorsstandonasolidoor,inasecureposition
witharmgripandfooting.Beawarethatthesandercandevelopatorquereaction.SeethesectioninSAFETYPRECAUTIONSin.
Useacleanlubricatedairsupplythatwillgiveameasuredairpressureatthetoolof6.2bar(90psig)whenthetoolisrunningwiththeleverfullydepressed.Itis
recommendedtouseanapproved10mm(3/8in)x8m(25ft)maximumlengthairline.ConnectthetooltotheairsupplyasshowninFigure1.Donotconnect
thetooltotheairlinesystemwithoutaneasilyaccessibleairshutoffvalve.Itisstronglyrecommendedthatanairlter,regulatorandlubricator(FRL)beused
asshowninFigure1asthiswillsupplyclean,lubricatedairatthecorrectpressuretothetool.Inanycaseappropriateairpressureregulatorsshallbeusedat
alltimeswhileoperatingthistoolwherethesupplypressureexceedsthemarkedmaximumofthetool.Detailsofsuchequipmentcanbeobtainedforyourtool
distributor.Ifsuchequipmentisnotused,thetoolshouldbemanuallylubricated.Tomanuallylubricatethetool,disconnecttheairlineandput2to3dropsof
suitablepneumaticmotorlubricatingoilsuchas3M™AirToolLubricantPN20451,FujiKosanFK-20orMobilALMO525intothehoseend(inlet)ofthetool.
Reconnecttooltotheairsupplyandruntoolslowlyforafewsecondstoallowairtocirculatetheoil.Ifthetoolisusedfrequently,lubricateitonadailybasisor
lubricateitifthetoolstartstosloworlosepower.Itisrecommendedthattheairpressureatthetoolbe6.2bar(90psig)whilethetoolisrunningsothemaximum
RPMisnotexceeded.Thetoolcanberunatlowerpressuresbutshouldneverberunhigherthan6.2bar(90psig).Ifrunatlowerpressuretheperformanceofthe
toolisreduced.
RecommendedAirline
Size-Minimum
RecommendedMaximumHoseLength AirPressure
10mm 3/8in 8meters 25feet MaximumWorkingPressure
RecommendedMinimum
6.2bar
N/A
90psig
N/A
SafetyPrecautions
1. Readallinstructionsbeforeusingthistool.Alloperatorsmustbefully
trainedinitsuseandawareofthesesafetyrules.
2. ThetoolRPMshouldbecheckedonaregularbasistoensureproper
operatingspeed.
3. Makesurethetoolisdisconnectedfromtheairsupply.Selectasuitable
abrasiveandsecureittothediscpadorspindle.Becarefultocenterthe
abrasiveonthediscpad.
4. Alwayswearrequiredsafetyequipmentwhenusingthistool.
5. Alwaysremovetheairsupplytothesanderbeforetting,adjustingor
removingtheabrasiveordiscpad.
6. Alwaysadoptarmfootingandgripandbeawareoftorquereaction
developedbythesander.
7. Useonly3Mapprovedspareparts.
8. Alwaysensurethematerialbeingworkedisrmlyxedtoavoid
movement.
9. Checkhoseandttingsregularlyforwear.Donotcarrythetoolbyits
hose;alwaysbecarefultopreventthetoolfrombeingstartedwhen
carryingthetoolwiththeairsupplyconnected.
10.Dustcanbehighlycombustible.
11.IftoolisservicedorrebuiltchecktoensurethatthemaximumtoolRPM
isnotexceededandthatthereisnoexcessivetoolvibration.
12.Donotexceedmaximumrecommendedairpressure.Usesafety
equipmentasrecommended.
13.Priortoinstallinganyshaftmountedabrasiveorsandingorgrinding
accessory,alwayscheckthatitsmarkedmaximumoperatingspeedis
equalorhigherthantheratedspeedofthistool.
14.Thetoolisnotelectricallyinsulated.Donotusewherethereisa
possibilityofcontactwithliveelectricity,gaspipes,and/orwaterpipes.
15.Thistoolisnotprotectedagainsthazardsinherentincuttingoperations,
andnosuchcuttingproductsshouldeverbeattached.
16.Takecaretoavoidentanglementwiththemovingpartsofthetoolwith
clothing,ties,hair,cleaningragsorloosehangingobjects.Ifentangled,
stopairsupplyimmediatelytoavoidcontactwithmovingtoolparts.
17.Keephandsclearofthespinningpadorspindleduringuse.
18.Ifthetoolappearstomalfunction,removefromuseimmediatelyand
arrangeforserviceandrepair.
19.Donotallowthetooltofreespinwithouttakingprecautionstoprotect
anypersonsorobjectsfromthelossoftheabrasiveorpadruptures.
20.Immediatelyreleasethestarthandleintheeventofanydisruption
ofpressure;donotattempttore-startuntilthedisruptionhasbeen
corrected.
21.Whentoolisnotinuse,storeinaclean,dryenvironmentfreeofdebris.
22.RecycleordisposeoftoolaccordingtoLocal,State,andFederal
regulations.
Figure1
Closed Loop Pipe System
Sloped in the direction of air flow
Drain Leg
Ball Valve
To Tool Station
Filter
Drain Valve
Regulator
Lubricator
Ball
Valve
Ball Valve
Air Flow
Air Dryer
Air Compressor
and Tank
Air Hose
To Coupler
at or near Tool
3M
™
DieGrinder
3M™DieGrinderaccessoriesaredesignedforuseon3MDieGrinders.
Constructedfrompremium,industrial-qualitymaterials,theirdurabilityand
preciseconstructionaretheidealcomplementtotheperformanceofthe3M
DieGrinder.SeeProductConguration/Specicationstableforthecorrect
replacementpadforaparticularmodel.
See3MASDAccessorycatalog61-5002-8098-9and61-5002-8097-1for
additionalAccessories.
Removingandremountingshanksandshaft
mountedabrasiveproductsintocolletchuck
1. Disconnectairlinefromtool.
2. Removecurrentlymountedshaftaccessory,shankorabrasiveproduct
fromcolletchuck*byusingthetwowrenchessuppliedwiththetool.Use
thewrenchtosecurethecolletbodywhileturningthecolletnutcounter
clockwise.
3. Aftertheexistingproducthasbeenremovedfromthecollet,inspectthe
colletinserttoensurethatisfreeofdebrisandundamaged.
4. Fullyinsertthenewshaftmountedaccessory,shankorabrasiveproduct
intothecollet.
5. Securethecolletbodywiththewrenchandtightenthecolletnut
securely.Alwaysusethecorrectsizedcolletwiththematchingshank
(use1/4incolletinsertwith1/4inshaftsor6mmcolletinsertwith
6mmshafts).Aninadequatelyinsertedshankcouldbendorbreak
causingdamagetothetoolandworkpieceandpossibleinjurytothe
operatororbystanders.
Note:Duringtheabovesteps,ensurethatallhardwareandabrasive
productsaremountedconcentricallyonthesupportingaccessory.
*InthedrawingsonthePartsPages,Figures1,2and3comprisetheCollet
Chuck.
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