WARNING
Theenginemustberunningduringadjustmentof
theenginegovernorspeedcontrol.Contactwith
movingpartsorhotsurfacesmaycausepersonal
injury.
•Ensuretractionpedalisinneutralandengage
theparkingbrakebeforeperformingthis
procedure.
•Keephands,feet,clothing,andotherbodyparts
awayfromanyrotatingparts,themufer,and
otherhotsurfaces.
Note:Toadjustthelowidle,useallthefollowingsteps.
Ifonlythehighidleistobeadjusted,proceeddirectly
tostep5.
1.Starttheengineandletitrunathalfthrottlefor
approximatelyveminutestowarmup.
2.MovethethrottlecontroltotheSlowsetting.Adjust
theidlestopscrewcounterclockwiseuntilitno
longercontactsthethrottlelever.
3.Bendthegovernedidlespringanchortang
(
Figure28)toattainanidlespeedof1750±50RPM.
Checkthespeedwithatachometer.
Figure28
ShownwithCarbAdapterRemoved
1.Governedidlespring
anchortag
2.Highspeedspringanchor
tag
4.Adjusttheidlestopscrewuntiltheidlespeedis
increased25to50RPMovertheidlespeedsetin
step3.Finalidlespeedmustbe1750±100RPM.
5.MovethethrottlecontroltotheFastposition.Bend
thehighspeedspringanchortang(Figure28)to
attainahighspeedof3150±50RPM.
HydraulicSystem
Maintenance
ChangingtheHydraulic
SystemOilandFilter
ServiceInterval:Aftertherst8hours
Every400hours
Thehydraulicsystemltermustbechangedinitially,
aftertherst8hoursofoperation,andthereafterevery
400hoursofoperationoryearly,whicheveroccurs
rst.UseagenuineTorooillterforreplacement.
Thehydraulicoilmustbechangedevery400hoursof
operationoryearly,whicheveroccursrst.
1.Parkthemachineonalevelsurfaceandturnthe
engineoff.
2.Pivottheseatupward.
3.Disconnectthetubefromthebottomttingofthe
reservoirandlettheoilowintoadrainpan.Install
andtightenthetubewhentheoilstopsdraining.
4.Cleantheareaaroundthehydraulicoillter
(Figure29).Removethelterfromthebottomof
thelterhousingandallowtheoiltoowintoa
drainpan.Useabottom-typelterwrench.Dispose
oftheoillterproperly
Figure29
1.Hydrauliclter
5.Applyalmofoilontheltergasket.Installthe
lterbyhanduntilthegasketcontactsthemounting
head;thentightenthelteranadditional3/4turn.
6.Fillthereservoirtotheproperlevel;referto
CheckingtheHydraulicSystem.
7.Placeallofthecontrolsintheneutralordisengaged
positionandstarttheengine.Runtheengineatthe
lowestpossibleRPMtopurgethesystemofair.
30