InputShaft/PinionGear(4-WheelDriveAxle)
Thefollowingproceduresassumethe4-wheeldriverearaxleassemblyhas
beenremovedfromthemachine.
RemovingtheInputShaft/PinionGear(4-WheelDriveAxle)
g226489
Figure271
1.Inputshaft/piniongear
5.Bearingcase
9.Oilseal
2.Innerbearing
6.Outerbearing
10.Stakewasher
3.BearingcaseO-ring7.Sealcollar
11.Locknut
4.Bearingcaseshims
8.O-ring
1.Removetheinputshaft/piniongearassemblyfromtheaxlesupport,and
removetheshimsandbearingcaseO-ring.
2.Releasethestakewasherandremovethelocknut.Removeanddiscard
thestakewasher.
3.Drivetheinputshaft/piniongearoutfromtheouterbearingconeandbearing
case.RemoveanddiscardtheoilsealandO-ring.
4.Inspectallgears,shafts,bearings,spacers,andcasesfordamageandwear.
Replacethecomponentsasnecessary.
Note:Replacementinputshaft/piniongearsareonlyavailableinmatched
ringandpinionsets.
InstallingtheInputShaft/PinionGear(4-WheelDriveAxle)
Note:Wheninstallingnewbearingcones,pressonlyontheinnerraceofthe
bearingcone.
Groundsmaster
®
3280-D/3320
Page8–61
DriveAxles:ServiceandRepairs
05138SLRevB
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