Toro Groundmaster Series - Page 306

ServicingtheBladeSpindle(GroundsmasterSeriesCuttingUnits)(continued)
IMPORTANT
Theuppersealmusthavethelipfacingin(down).Also,installupper
sealsoitisushto1.5mm(0.060inch)belowthehousingsurface.
6.Slidethespacerringandinnerbearingspacerintothespindlehousing,then
installtheupperbearingconeandoilsealintothetopofthehousing.
7.Examinethespindleshaftandshaftspacertoensurethattherearenoburrs
ornicksthatcoulddamagetheoilseals.Installtheshaftspacerontothe
spindleshaftandlubricatetheshaftandspacerwithgrease.
8.Placeathinsleeveortapeonthespindleshaftsplinestopreventdamageof
thesealduringtheinstallationoftheshaft.Carefullyslidethespindleshaft
withthespacerupthroughthespindlehousing.Thebottomoilsealandshaft
spacerttogetherwhenthespindleisfullyinserted.
9.InstalltheO-ringtothetopofthespindleshaft.
g223666
Figure139
1.Locknut
3.O-ring
2.Upperseal4.Hardenedwasher
10.Installthepulley(hubdown),hardenedwasher,andlocknuttothespindle
shaft.Tightenthelocknutto203to217N∙m(150to160ft-lb).
IMPORTANT
Donotuseapneumaticgreasegunforgreasingofthespindle
housings.Apneumaticgreaseguncanproducehighpressure
insidethespindlehousingthatcandamagethespindleseals.
11.Useahandpumpgreasegunandllthehousingcavitywithgreaseuntilthe
greasestartstocomeoutofthelowerseal.
12.Rotatethespindleshafttoensurethatitturnsfreely.
CuttingUnits:ServiceandRepairs
Page8–14
Groundsmaster
®
3200,3300and3310
19240SLRevA