Maintenance
4.Ifmorethantwothreads(0.1inch)are
showingremovenutandinstallwasher(P/N
1-523157)betweenhubandnut.
5.Torquetheslottednutto200ft-lb(271N-m).
6.Thentightennutuntilthenextsetofslotsline
upwiththecrossholeinshaft.DoNotloosen
nuttoaligntheslot.Ifrequired,tightento
thenextsetofslots.
7.Installnewcotterpin(P/N1-806800).
Note:DoNotuseanti-seizeonwheelhub.

CheckSparkArrester

(ifequipped)

ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignite
gasolinevaporsevenaftertheengineis
stopped.Hotparticlesexhaustedduring
engineoperationmayigniteammable
materials.Firemayresultinpersonalinjury
orpropertydamage.
DoNotrefuelorrunengineunlessspark
arresterisinstalled.
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifanybreaksinthescreenorweldsareobserved,
replacearrester.
4.Ifpluggingofthescreenisobserved,remove
arresterandshakelooseparticlesoutofthe
arresterandcleanscreenwithawirebrush(soak
insolventifnecessary).Reinstallarresteron
exhaustoutlet.

ThreadLockingAdhesives

Threadlockingadhesivessuchas“Loctite242”
or“Fel-Pro,Pro-LockNutType”areusedonthe
followingfasteners:
•ROPSspringpinhousing.
•Hydropumpcontrolarm,linkagebolt,and
attachmentbolt.
•Hydroparkbrakecableanchormountingbolt
•Sheaveandclutchretainingboltintheendof
enginecrankshaft.
Threadlockingadhesivesarerequiredforsome
hardwareonengines—seetheEnginemanual.

Copper-BasedAnti-seize

Copper-basedanti-seizeisusedinthefollowing
location:
OnthreadsofBladeBolts.SeeCheckMower
Bladessection.

DielectricGrease

Dielectricgreaseisusedonallbladetypeelectrical
connectionstopreventcorrosionandlossofcontact.
37