Toro 74480 User Manual

Lubricatingthe
Caster-WheelHubs
2500SeriesMachinesOnly
ServiceInterval:Yearly—For2500Series
machines—Lubricatethe
caster-wheelhubs.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andengagetheparking
brake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethecasterwheelfromthecasterforks.
4.Removethesealguardsfromthewheelhub
(Figure45).
g006115
Figure45
1.Sealguard2.Spacernutwithwrench
ats
5.Removeaspacernutfromtheaxleassemblyin
thecasterwheel.
Note:Thread-lockingcompoundhasbeen
appliedtolockthespacernutstotheaxle.
6.Removetheaxle(withtheotherspacernutstill
assembledtoit)fromthewheelassembly.
7.Pryoutsealsandinspectbearingsforwearor
damageandreplaceifnecessary.
8.Packthebearingswithageneral-purpose
grease.
9.Insert1bearingand1newsealintothewheel.
Note:Replacetheseals.
10.Ifbothspacernutshavebeenremoved(or
brokenloose)fromtheaxleassembly,applya
thread-lockingcompoundto1spacernutand
threaditontotheaxlewiththewrenchats
facingoutward.
Note:Donotthreadthespacernutallof
thewayontotheendoftheaxle.Leave
approximately3mm(1/8inch)fromtheouter
surfaceofthespacernuttotheendoftheaxle
insidethenut.
11.Inserttheassemblednutandaxleintothewheel
onthesidewiththenewsealandbearing.
12.Withtheopenendofthewheelfacingup,ll
theareainsidethewheelaroundtheaxlefullof
general-purposegrease.
13.Insertthesecondbearingandnewsealintothe
wheel.
14.Applyathread-lockingcompoundtothesecond
spacernutandthreaditontotheaxlewiththe
wrenchatsfacingoutward.
15.Torquethenutto8to9N∙m(75to80in-lb),
loosenthenut,thentorqueitto2to3N∙m(20
to25in-lb).
Note:Makesurethattheaxledoesnotextend
beyondeithernut.
16.Installthesealguardsoverthewheelhuband
insertwheelintothecasterfork.
17.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,
checkthebearingadjustmentoften.Spinthe
castertire.Thetireshouldnotspinfreely(more
than1or2revolutions)orhaveanysideplay.If
thewheelspinsfreely,adjustthetorqueonthe
spacernutuntilthereisaslightamountofdrag.
Applyanotherlayerofthread-lockingcompound.
41

Toro 74480 Specifications

General

Brand	Toro
Model	74480
Category	Lawn Mower
Language	English