Toro 74523 - Greasing the Torsion Idler; Greasing the Front Caster Pivots; Greasing the Caster-Wheel Hubs

GreasingtheTorsionIdler
ServiceInterval:Yearly
Greasethetorsionidleronthemowerdeckusing
high-temperaturegreaseatthegreasettingshowninFigure
35.
Important:Useonlyhigh-temperaturegrease.
Figure35
1.Greasetting
GreasingtheFrontCaster
Pivots
ServiceInterval:Yearly
1.Removethedustcapandadjustthecasterpivots;refer
to(page).
Note:Keepthedustcapoffuntilyouhavenished
greasingthecasterpivots.
2.Removethehexplug.
3.Threadagreasettingintothehole.
4.Pumpgreaseintothettinguntilitoozesoutaround
thetopbearing.
5.Removethegreasettingfromthehole.
6.Installthehexpluganddustcap.
GreasingtheCaster-Wheel
Hubs
ServiceInterval:Yearly
1.Shutofftheengine,waitforallmovingpartstostop,
engagetheparkingbrake,andremovethekey.
2.Removethecasterwheelfromthecasterforks.
3.Removethesealguardsfromthewheelhub(Figure36).
Figure36
1.Sealguard2.Spacernutwithwrench
ats
4.Remove1spacernutfromtheaxleassemblyinthe
casterwheel.
Note:Thread-lockingadhesivehasbeenappliedto
lockthespacernutstotheaxle.Removetheaxle(with
theotherspacernutstillassembledtoit)fromthe
wheelassembly.
5.Pryouttheseals,inspectbearingsforwearordamage,
andreplacethemifnecessary.
6.Packthebearingswithageneral-purposegrease.
7.Insert1bearingand1newsealintothewheel.
Note:Youmustreplacetheseals.
8.Ifbothspacernutsintheaxleassemblyhavebeen
removed(orbrokenloose),applyathread-locking
adhesiveto1spacernut,threadingitontotheaxlewith
thewrenchatsfacingoutward.
Note:Donotthreadspacernutallofthewayonto
theendoftheaxle.Leaveapproximately3mm(1/8
inch)fromtheoutersurfaceofthespacernuttothe
endoftheaxleinsidethenut.
9.Inserttheassemblednutandaxleintothewheelonthe
sideofthewheelwiththenewsealandbearing.
10.Withtheopenendofthewheelfacingup,llthearea
insidethewheelaroundtheaxlefullofgeneral-purpose
grease.
11.Insertthesecondbearingandthenewsealintothe
wheel.
12.Applyathread-lockingadhesivetothesecondspacer
nut,threadingitontotheaxlewiththewrenchats
facingoutward.
13.Torquethenutto8to9N∙m(71to80in-lb),loosenit,
thentorqueitto2to3N∙m(20to25in-lb).
Note:Makesurethataxledoesnotextendbeyond
eithernut.
14.Installthesealguardsoverthewheelhubandinsert
wheelintocasterfork.
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