Link Belt Crane HTC-8650XL Service Manual

                     

   

FrontWheel&BrakeDrum, R&I

Thisprocedurecoverstheremovalandinstallationof thefrontwheelhubandbrakedrum.

Removal

1.Lower,detach,andsecureload,asrequired.

2.Stabilizethecraneforserviceasfollows:

a.Parkthecrane,outoftheway,onafirmand levelsurface.

b.Engagetheparkbrake.

c.Engagetheswingparkbrakeortravelswing lock,asrequired.

d.Levelthecraneonfullyextendedoutriggers.

e.Position/supporttheboom,asrequired.

3.Shutdowntheengineanddisengagethemain hydraulicpump,asequipped.

WARNING

BrakeLiningFiberWarning

Olderbrakeliningsmaycontainasbestos fibers,acancerandlungdiseasehazard. Brakeliningsmanufacturedtodaycontain non--asbestosfibers,whoselong--term effectstohealthareunknown.Usecaution whenhandlingeitherasbestosor non--asbestosmaterialsusedinbrake linings.RefertoOSHAregulationsforproper handlingofthesematerials.MaterialSafety DataSheets(MSDS)regardingbrakelining materialscanbeobtainedfromyourlocal distributor.

4.Removethetireandrimassemblyfromthewheel. RefertoSMKeysheetArea01---069forcorrect procedure.

Solventsandcleaningsolutionscanbe hazardous.Seriouspersonalinjurymay resultfrommisuseoftheseproducts.Read andfollowallthemanufacturer’s recommendationsconcerningsolventsand cleaningsolutions.

5.Thoroughlycleanareatobedisassembledwithan approvedcleaningsolvent.Allowareatoairdry.

6.Backoffthebrakeshoesfromtheinnerdiameterof thebrakedrumbyusingtheadjustmentscrewon theslackadjuster.RefertoSMKeysheetArea 01---003formoredetailedinformationonbrake adjustmentandslackadjusters.

RefertoFigure1.

7.Supportthebrakedrum(8)withanappropriate liftingdeviceremoveitfromthewheelhub(10)by pullingitoffthelugs(11).Itmaybenecessaryto striketheinnerrimofthebrakedrum(8)withasoft facehammertobreakitfreeofthewheelhub(10).

8.Placeasuitablecontainerunderthewheelhub (10).Removecapscrews(1)securinghubcap(2) tothewheelhub(10).Removehubcap(2).Drain theoilfromthewheelhub(10).

9.Removethegasket(6)fromwheelhub(10)and hubcap(2).Properlystoreordisposeofusedoil.

10.Usinganauxiliaryliftingdevice,adequately supportwheelhub(10).

RefertoFigure2.

11.Afteroilhasthoroughlydrainedfromwheelhub:

a. Style1: Removejamnut(1),retainerwasher (2),lockwasher(3),andadjustingnut(4)from spindle(5).

b. Style2: Removecotterpin(8),adjustingnut (7),andthrustwasher(6)fromspindle(5).

RefertoFigure1.

12.Slowlyremovewheelhub(10)fromthespindle (15).Thebearingcone(7)islooseandmaybe removedaheadofthewheelhub(10).Usecare nottodamagebearingcones(7,13),wheelhub (10),seal(14)orspindle(15).

CAUTION

Removingsometypesofsealsfromthewheel hubmaycausepermanentdamagetothe seal.Reusingadamagedsealwilleventually causethefailureofthewheelbearings.Do notinstalladamagedseal.

13.Toremovethebearingcone(13)fromthewheel hub(10),theseal(14)mustfirstberemoved.Refer toFigure3throughFigure5toidentifythestyleof seal(14)used.

14.Removeseal(14)andbearingcones(7,13)from wheelhub(10).Ifequipped,removetheaxlering (6,Figure5)fromthespindle(15),usingaballpeen hammer.Donotcutthroughtheaxleringas damagetothespindle(15)mayresult.

15.Removebearingcups(9,12)fromthewheelhub (10),asrequired.

Figure2

WheelBearingAdjustmentArrangements

1.JamNut

2.RetainerWasher

3.Lockwasher

4.AdjustingNut

5.Spindle

6.ThrustWasher

7.AdjustingNut

8.CotterPin