Figure16
1.Gearbox2.Check/llplug
CheckingtheTirePressure
ServiceInterval:Beforeeachuseordaily
Thetiresareover-inatedforshipping.Therefore,release
someoftheairtoreducethepressure.Thecorrectair
pressureinthefrontandreartiresis172-207kPa(25-30psi).
Important:Maintainevenpressureinalltiresto
ensureagoodquality-of-cutandpropermachine
performance.Also,theAutomaticTractionAssist
willnotworkproperlywithimpropertirepressure.
Do not under -inate.
Replacewornordamagedtires
withgenuineTorotiresthatarecorrectlysizedforthis
machine.
CheckingtheTorqueoftheWheelNuts
orBolts
ServiceInterval:Aftertherst10hours
Every200hours
WARNING
Failuretomaintainpropertorqueofthewheelnuts
couldresultinfailureorlossofwheelandmay
resultinpersonalinjury.
Torquethefrontwheelnutsandrearboltsto115
to136N⋅ ⋅
⋅
m(85to100ft.-lb.)after1-4hoursof
operationandagainafter10hoursofoperation.
Torqueevery200hoursthereafter.
AdjustingtheHeight-of-Cut
FrontCuttingUnit
Theheight-of-cutisadjustablefrom25to127mm(1to
5inches)in13mm(1/2inch)increments.Toadjustthe
height-of-cutonthefrontcuttingunit,positionthecastor
wheelaxlesintheupperorlowerholesofthecastorforks,
addorremoveanequalnumberofspacersfromthecastor
forks,andsecuretherearchaintothedesiredhole.
1.Starttheengineandraisethecuttingunitssothatthe
height-of-cutcanbechanged.Stoptheengineand
removethekeyafterthecuttingunitisraised.
2.Positionthecastorwheelaxlesinthesameholesinall
castorforks.Refertothefollowingcharttodetermine
thecorrectholesforthesetting.
Figure17
1.Tensioningcap4.Topaxlemountinghole
2.Spacers5.Castorwheel
3.Shims
Note:Whenoperatingin64mm(2-1/2inch)height
ofcutorhigher,theaxleboltmustbeinstalledinthe
lowercastorforkholetopreventgrassbuildupbetween
thewheelandthefork.Whenoperatinginheight
ofcutslowerthan64mm(2-1/2inches)andgrass
buildupisdetected,reversethemachinesdirectionto
pullanyclippingsawayfromthewheel/forkarea.
3.Removethetensioningcapfromthespindleshaft
(Figure17)andslidethespindleoutofthecastorarm.
Putthe2shims(3mm[1/8inch])ontothespindle
shaftastheywereoriginallyinstalled.Theseshimsare
requiredtoachievealevelacrosstheentirewidthof
thecuttingunits.Slidetheappropriatenumberof13
mm(1/2inch)spacers(refertothechartbelow)onto
thespindleshafttogetthedesiredheight-of-cut;then
slidethewasherontotheshaft.
Refertothefollowingcharttodeterminethe
combinationsofspacersforthesetting:
27