Toro Groundsmaster 4500-D Series - Page 376

RemoveRearAxle(Figure238)(continued)
9.Ifneededforfurtheraxledisassembly,removesteeringcylinderfromaxle
(seeSteeringCylinder(page5–142)).
10.Ifrequired,removetierodendsfromsteeringarmsonrearaxle(Figure241).
Removethecotterpinsandcastlenutsfromthetierodballjoints.Useaball
jointforkandremovethetierodendsfromtheaxlesteeringarms.
11.Cleantherearaxlepivotpinandpivotbushings.Inspectthepinand
bushingsforwearordamage.Replacecomponentsasnecessary.
InstallRearAxle(Figure238)
1
5
4
6
g276503
Figure241
1.Tierod
4.Castlenut
2.Dustcover5.Tierodend
3.Cotterpin6.Steeringarm(LH)
1.Ifremoved,installsteeringcylindertoaxleassembly(seeSteeringCylinder
(page5–142)).
2.Ifremoved,installthetierodtorearaxle(Figure241).Tightenballjoint
castlenutsandinstallnewcotterpins.
3.Supportaxleundermachinewithajack.Positionaxleassemblytorear
framemount.
4.Installrearaxlepivotpintosecureaxletoframe.Makesuretoinstallthrust
washer(item42)betweenaxlepivotandframeonbothendsofthepivot.
Withthrustwashersinstalled,thereshouldbefrom0.05to0.51mm(0.002to
0.020inch)clearancebetweenrearframemountandaxlemountingboss.
Addadditionalthrustwashersifneededtoadjustclearance.
5.Installthrustwasher(item40)andlocknut(item39)ontoaxlepivotpin.Lock
nutshouldbetightenedenoughtoallowpivotpintorotate(81to95N·m
(60to70ft−lb)maximum).
6.Installhydraulicmotortoaxleassembly(seeRearAxleMotor(page5–116)).
7.Removecapsandplugsfromhydraulichosesandsteeringcylinderttings.
Securehydraulichosestosteeringcylinder(seeInstallingHydraulicHoses
andTubes(O-RingFaceSeal)(page5–7)).
Axles,PlanetariesandBrakes:ServiceandRepairs
Page7–18
Groundsmaster
®
4500-D/4700-D
19245SLRevA