Toro Groundsmaster 4300-D - Page 375

AssemblingtheBladeSpindle(continued)
Note:Thebottomsealmusthavethelipfacingout(down)(Figure233).This
sealinstallationallowsgreasetopurgefromthespindleduringthelubrication
process.
IMPORTANT
Ifyouarereplacingthebearings,ensuretothatyouusethespacer
ringthatisincludedwiththenewbearingset(Figure231).
6.Slidethespacerringandinnerbearingspacerintothespindlehousing,then
installupperbearingconeandgreasedoilsealintotopofthehousing.
Note:Theuppersealmusthavethelipfacingout(up)(Figure233).
7.Examinethespindleshaftandshaftspacertoensurethattherearenoburrs
ornicksthatcoulddamagetheoilseals.Lubricatetheshaftandspacer
withgrease.
8.Installthespindleshaftspacerontoshaft.Placeathinsleeveortapeonthe
spindleshaftsplinestopreventdamageofthesealduringtheinstallation
oftheshaft.
9.Carefullyslidethespindleshaftwiththespacerupthroughthespindle
housing.
Note:Thebottomoilsealandspindlespacershouldttogetherwhenthe
spindleisfullyinstalled.
10.Installthespindlenutontotheshaftandtorquethenutto117to216N∙m
(130to160ft-lb).
IMPORTANT
Apneumaticgreaseguncanproducehighpressureinsidethe
spindlehousingthatcandamagethespindleseals.Thus,donotuse
apneumaticgreasegunforgreasingofthespindlehousings.
11.Attachahandpumpgreaseguntooneofthegreasettingsonthehousing
andllthehousingcavitywithgrease.
12.Rotatethespindleshafttoensurethattheshaftturnsfreely.
13.Installthebladespindleassemblytothecuttingdeck;refertoInstallingthe
BladeSpindle(page7–8).
Groundsmaster
®
4300-D
Page7–13
CuttingDeck:ServiceandRepairs
16226SLRevC