Toro GrandStand 72523 - Greasing the Caster-Wheel Hubs; Greasing the Engine Voltage Regulator

GreasingtheCaster-Wheel
Hubs
ServiceInterval:Yearly
Greasetype:Lithiumormolybdenumgrease
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethecasterwheelfromthecasterforks.
4.Removethesealguardsfromthewheelhub
(Figure36).
g006115
Figure36
1.Sealguard2.Spacernutwithwrench
ats
5.Remove1spacernutfromtheaxleassemblyin
thecasterwheel.
Note:Thread-lockingadhesivehasbeen
appliedtolockthespacernutstotheaxle.
Removetheaxle(withtheotherspacernutstill
assembledtoit)fromthewheelassembly.
6.Pryouttheseals,inspectbearingsforwearor
damage,andreplacethemifnecessary.
7.Packthebearingswithageneral-purpose
grease.
8.Insert1bearingand1newsealintothewheel.
Note:Youmustreplacetheseals.
9.Ifbothspacernutsintheaxleassembly
havebeenremoved(orbrokenloose),apply
athread-lockingadhesiveto1spacernut,
threadingitontotheaxlewiththewrenchats
facingoutward.
Note:Donotthreadthespacernutallof
thewayontotheendoftheaxle.Leave
approximately3mm(1/8inch)fromtheouter
surfaceofthespacernuttotheendoftheaxle
insidethenut.
10.Inserttheassemblednutandaxleintothewheel
onthesideofthewheelwiththenewsealand
bearing.
11.Withtheopenendofthewheelfacingup,ll
theareainsidethewheelaroundtheaxlefullof
general-purposegrease.
12.Insertthesecondbearingandthenewsealinto
thewheel.
13.Applyathread-lockingadhesivetothesecond
spacernut,threadingitontotheaxlewiththe
wrenchatsfacingoutward.
14.Torquethenutto8to9N∙m(71to80in-lb),
loosenit,thentorqueitto2to3N∙m(20to25
in-lb).
Note:Makesurethattheaxledoesnotextend
beyondeithernut.
15.Installthesealguardsoverthewheelhuband
insertthewheelintothecasterfork.
16.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,
checkthebearingadjustmentoftenbyspinning
thecasterwheel.Thewheelshouldnotspinfreely
(morethan1or2revolutions)orhaveanyside
play.Ifthewheelspinsfreely,adjustthetorque
onthespacernutuntilthereisaslightamountof
drag,andapplythread-lockingadhesive.
GreasingtheEngine
VoltageRegulator
ServiceInterval:Every300hours(Moreoftenif
greaseisnotpresent.)
Greasetype:Dielectricgrease
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Disconnectthesparkplugwiresfromthespark
plug.
4.Lightlyapplygreasetothevoltageregulator
blades(Figure37).
Important:Toomuchgreasecancause
watertopoolattheconnectorandshortthe
regulator.
5.Connectthesparkplug.
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