Toro Groundsmaster 7200 Series - Bleeding the Fuel System; Fuel System Bleeding Procedure

BleedingtheFuelSystem
1.Parkthemachineonalevelsurface.Ensure
thatthefueltankisatleasthalffull.
2.Unlatchandraisethehood.
3.Placearagundertheair-bleedscrewonthe
fuel-injectionpumpandopenit(Figure38).
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Figure38
1.Fuel-injection-pumpbleedscrew
4.TurntheignitionkeytotheONposition.
Note:Theelectricfuelpumpbeginsoperation,
therebyforcingairoutattheair-bleedscrew.
CAUTION
Theenginemaystartduringthis
procedure.Movingfansandbeltsina
runningenginecanseverelyinjureyou
orbystanders.
Keephands,ngers,loose
clothing/jewelry,andhairaway
fromtheenginefanandbeltduringthis
procedure.
5.LeavethekeyintheONpositionuntilasolid
streamoffuelowsoutaroundthescrew.
6.TightenthescrewandturnthekeytotheOFF
position.
Note:Normally,theengineshouldstartafter
youbleedthefuelsystem.However,ifthe
enginedoesnotstart,airmaybetrapped
betweeninjectionpumpandinjectors;referto
BleedingAirfromtheInjectors(page42).
BleedingAirfromthe
Injectors
Note:Usethisprocedureonlyifyoupurgedthe
fuelsystemthroughnormalprimingproceduresand
theenginedoesnotstart;refertoBleedingtheFuel
System(page42).
1.Placearagunderthepipeconnectioncoming
fromtheinjectionpumptotheNo.1injector
nozzleasillustratedinFigure39.
g007881
Figure39
1.PipeconnectionfromtheinjectionpumptotheNo.1
injectornozzle
2.MovethethrottletotheFASTposition.
3.TurntheignitionkeytotheSTARTpositionand
watchthefuelowaroundtheconnector.
CAUTION
Theenginemaystartduringthis
procedure.Movingfansandbeltsina
runningenginecanseverelyinjureyou
orbystanders.
Keephands,ngers,loose
clothing/jewelry,andhairaway
fromtheenginefanandbeltduringthis
procedure.
4.Tightenthepipeconnectorsecurelywhenit
attainsasolidow.
5.TurnthekeytotheOFFposition.
6.Repeatthisprocedurefortheremainingnozzles.
42