SteeringPivotBushings(continued)
5.Useadriftpunchandhammertodriveboththesteeringpivotbushings
outofthesteeringpivot.Cleantheinsideofthesteeringpivottoremove
anydirtorunwantedmaterial.Also,cleanthemountingpinatthebottom
oftherearaxle.
6.Applygreasetotheinnerandoutersurfacesofnewbushings.Useanarbor
presstoinstallthebushingsintothetopandbottomofthesteeringpivot.
Thebushingsmustbeushwiththepivotplate.
7.Slidethesteeringpivotontotheaxlemountingpin.Securethepivotinplace
withthethrustwasherandretainingring.
8.Connecteachtierodendtothepivotwiththe2jamnuts.Foreachtierod,
tightentherstjamnutandthentightenthesecondjamnutagainstthe
rsttosecurethetierodend.
9.Installthethrustwasher,bolt,andlocknuttosecurethesteeringcylinderrod
endtothesteeringpivotplate(Figure183);torquethelocknutto176to
203N·m(130to150ft-lb).
10.Lubricatethebushingsthroughthegreasettingonthesteeringpivotplate.
RearAxleSpindleBushings
Therearwheelspindlesmusttsnuglyintherearaxle.Excessivemovementof
thespindleintheaxleindicatesthatthespindlebushings(item8inFigure182)
areprobablywornandmustbereplaced.
1.Removetherearaxlefromthemachine;refertoRemovingtheRearAxle
(page7–11).
2.Removethe2jamnutsandatwasherthatsecurethetierodendtothe
spindlearm.Disconnectthetierodendfromthespindlearm.
3.Removetheange-headscrew,spindlecap,retainingring,andwashersthat
securethewheelspindleintotheaxletube.Slidethespindle,washers,and
wheelassemblyoutoftheaxletubetoexposethespindlebushings.
4.Useapunchandhammertodrivebothbushingsoutoftheaxletube.Ensure
thatyoudonotdamagetheinnersurfaceoftheaxletube.Cleantheinner
surfaceoftheaxletubetoremoveanydirtorunwantedmaterial.
5.Applygreasetotheinnerandoutersurfacesofnewbushings.Useanarbor
presstoinstallthebushingsintothetopandbottomoftheaxletube.The
bushingsmustbeushwiththeaxletube.
6.Cleanthespindleshaft.Inspectthespindleforwearandreplaceifworn
ordamaged.
7.Installthe2thrustwashers(items10and5inFigure182)ontothespindle
shaftandslidetheshaftupthroughtheaxletube.Holdthewheelandspindle
shaftassemblyinplaceandinstalltheatwasher(s)(items7and6inFigure
182),thrustwasher,andretainingringontotheendofthespindleshaft.
8.End-playofspindleshouldbe0.8to2.3mm(0.030to0.090inch)after
assembly.Ifnecessary,addorremovetheatwashers(items6and7in
Figure182)toadjustend-play.
9.Installthespindlecapandsecurewiththeange-headscrew.
10.Connectthetierodendtothespindlebracketwiththeatwasherand2jam
nuts.Tightentherstjamnutandthentightenthesecondjamnutagainst
thersttosecurethetierodendtothespindle.
11.Installtherearaxletothemachine;refertoInstallingtheRearAxle(page
7–12).
Groundsmaster
®
3280-D/3320
Page7–15
Chassis:ServiceandRepairs
05138SLRevB