User Guide

Maintenance
Figure23
1.Oillter3.Leftreartire
2.Ventplug
6.Raisetherearofmachineupandsupportwith
jackstands(orequivalentsupport)justhigh
enoughtoallowdrivewheelstoturnfreely.
CAUTION
Raisingthemowerforserviceormaintenance
relyingsolelyonmechanicalorhydraulic
jackscouldbedangerous.Themechanicalor
hydraulicjacksmaynotbeenoughsupport
ormaymalfunctionallowingtheunittofall,
whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic
jacksforsupport.Useadequatejackstands
orequivalentsupport.
7.Startengineandmovethrottlecontrolaheadto
1/2throttleposition.Disengageparkingbrake.
WARNING
Enginemustberunninganddrivewheels
mustbeturningsoadjustmentscanbe
performed.Contactwithmovingpartsorhot
surfacesmaycausepersonalinjury.
Keepngers,hands,andclothingclearof
rotatingcomponentsandhotsurfaces.
A.Withthebypassvalveopenandtheengine
running,slowlymovethedirectionalcontrol
inbothforwardandreverse(5or6times).
B.Withthebypassvalveclosedandtheengine
running,slowlymovethedirectionalcontrol
inbothforwardandreversedirections(5to
6times).Checktheoillevel,andaddoilas
requiredafterstoppingtheengine.
C.ItmaybenecessarytorepeatstepsAand
Buntilalltheairiscompletelypurgedfrom
thesystem.Whenthetransaxleoperatesat
normalnoiselevelsandmovessmoothly
forwardandreverseatnormalspeeds,then
thetransaxleisconsideredpurged.
DoNotchangehydraulicsystemoil(exceptforwhat
canbedrainedwhenchanginglter),unlessitisfelt
theoilhasbeencontaminatedorbeenextremelyhot.
Changingoilunnecessarilycoulddamagehydraulic
systembyintroducingcontaminatesintothesystem.
ServicingtheSparkPlug
ServiceInterval:Every200hours/Every2
years(whichevercomes
rst)
Every500hours—Replace
thesparkplug.
Asstatedinthemaintenanceintervals,removethe
sparkplug,checkcondition,andresetthegapor
replacewithanewplugasnecessary.
ThesparkplugisRFIcompliant.Equivalentalternate
brandplugscanalsobeused.
Type:ChampionXC92YC
ChampionRC12YCorQC12Cmaybeusedifyour
areadoesnotrequirecompliancewithCanadian
ICES-002,ISO14982,orEN55012.
AirGap:0.030inch(0.76mm)
RemovingtheSparkPlug
1.Disengagethebladecontrolswitch,movethe
motioncontrolsoutwardtotheparkposition,
stoptheengine,andremovethekey.
2.Pullthewireoffofthesparkplug(Figure24).
Cleanaroundthesparkplugtopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
Note:Duetothedeeprecessaroundthespark
plug,blowingoutthecavitywithcompressedair
isusuallythemosteffectivemethodforcleaning.
Thesparkplugismostaccessiblewhenthe
blowerhousingisremovedforcleaning.
3.Removethesparkplugandmetalwasher.
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