Toro Reelmaster 3550 - Bleeding the Fuel System; Understanding the Diagnostic Light

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Figure34
1.Spring
3.Additionalholelocations
2.Springactuator
4.Movethespringactuatortothedesiredholelocation
andsecureitwiththeboltandthelocknut.
5.Repeattheprocedureontheremainingspring.
BleedingtheFuelSystem
1.Parkthemachineonalevelsurface,lowerthecutting
units,engagetheparkingbrake,shutofftheengine,
andremovethekey.
2.Ensurethatthefueltankisatleasthalffull.
3.Unlatchandraisethehood.
DANGER
Undercertainconditions,fuelandfuelvapors
arehighlyammableandexplosive.Areor
explosionfromfuelcanburnyouandothers
andcancausepropertydamage.
Donotllthefueltankcompletelyfull.Add
fueltothefueltankuntilthelevelis6to13
mm(1/4to1/2inch)belowthebottomof
thellerneck.Thisemptyspaceinthetank
allowsthefueltoexpand.
4.Opentheair-bleedscrewonthefuel-injectionpump
(Figure35).
g008891
Figure35
1.Fuel-injectionpumpbleedscrew
5.TurnthekeyintheignitionswitchtotheONposition.
Theelectricfuelpumpwillbeginoperation,thereby
forcingairoutaroundtheair-bleedscrew .
Note:LeavethekeyintheONpositionuntilasolid
streamoffuelowsoutaroundthescrew .
6.TightenthescrewandturntheignitionkeytoOFF.
Note:Normallytheengineshouldstartaftertheabove
bleedingproceduresarefollowed.However,iftheengine
doesnotstart,airmaybetrappedbetweentheinjection
pumpandinjectors;refertoBleedingAirfromtheInjectors
(page39).
UnderstandingtheDiagnostic
Light
Themachinecomeswithadiagnosticlightthatindicatesif
theelectroniccontrollersensesanelectronicmalfunction.
Thediagnosticlightislocatedonthecontrolpanel(Figure
36).Whentheelectroniccontrollerisfunctioningcorrectly
andthekeyswitchismovedtotheONposition,thecontroller
diagnosticlightwillturnonfor3secondsandturnoffto
indicatethatthelightisworkingproperly.Ifthemachine
stalls,thelightwillturnonsteadyuntilyouchangethe
keyposition.Thelightblinksifthecontrollerdetectsa
malfunctionintheelectricalsystem.Thelightstopsblinking
andautomaticallyresetswhenyouturnthekeyswitchtothe
OFFpositiononcethefaulthasbeenresolved.
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