Operator's Manual
3.Whilerelievingthespringtension,removethe
boltandlocknutsecuringthespringactuatorto
thebracket(Figure33).
g034346
Figure33
1.Spring
3.Additionalholelocations
2.Springactuator
4.Movethespringactuatortothedesiredhole
locationandsecureitwiththeboltandthe
locknut.
5.Repeattheprocedureontheremainingspring.
BleedingtheFuelSystem
1.Parkthemachineonalevelsurface,lowerthe
cuttingunits,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Ensurethatthefueltankisatleasthalffull.
3.Unlatchandraisethehood.
4.Opentheair-bleedscrewonthefuel-injection
pump(Figure34).
g008891
Figure34
1.Fuel-injectionpumpbleedscrew
5.TurnthekeyintheignitionswitchtotheON
position.Theelectricfuelpumpwillbegin
operation,therebyforcingairoutaroundthe
air-bleedscrew.
Note:LeavethekeyintheONpositionuntila
solidstreamoffuelowsoutaroundthescrew.
6.Tightenthescrewandturntheignitionkeyto
OFF.
Note:Normallytheengineshouldstartafterthe
abovebleedingproceduresarefollowed.However,if
theenginedoesnotstart,airmaybetrappedbetween
theinjectionpumpandinjectors;refertoBleedingAir
fromtheInjectors(page39).
Understandingthe
DiagnosticLight
Themachineisequippedwithadiagnosticlight
thatindicatesiftheelectroniccontrollersensesan
electronicmalfunction.Thediagnosticlightislocated
onthecontrolpanel(Figure35).Whentheelectronic
controllerisfunctioningcorrectlyandyoumovethe
keyswitchtotheONposition,thecontrollerdiagnostic
lightturnsonfor3secondsandturnofftoindicate
thatthelightisworkingproperly.Iftheengineshuts
off,thenthelightturnsonsteadyuntiltheyouchange
keyposition.Thelightblinksifthecontrollerdetectsa
malfunctionintheelectricalsystem.Thelightstops
blinkingandautomaticallyresetswhenyouturnthe
keyswitchtotheOFFpositiononcethefaulthasbeen
resolved.
g020251
Figure35
1.Diagnosticlight
Whenthecontrollerdiagnosticlightblinks,1of
thefollowingproblemshasbeendetectedbythe
controller:
•Anoutputhasbeenshorted.
•Anoutputisopencircuited.
Usingthediagnosticdisplay,determinewhichoutput
ismalfunctioning;refertoCheckingtheInterlock
Switches(page28).
Ifthediagnosticlightisnotilluminatedwhenthekey
switchisintheONposition,thisindicatesthatthe
electroniccontrollerisnotoperating.Possiblecauses
areasfollows:
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