Toro Groundsmaster 360 31223 - Bleeding the Fuel System; Bleeding Air from the Fuel Injectors

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Figure34
BleedingtheFuelSystem
Youmustbleedthefuelsystembeforestartingthe
engineifanyofthefollowinghaveoccurred:
•Initialstartupofanewmachine
•Theenginehasceasedrunningduetolackoffuel.
•Maintenancehasbeenperformeduponfuel
systemcomponents(i.e.,lterreplaced,separator
serviced,etc.)
1.Performthepre-maintenanceprocedure;refer
toCheckingtheTirePressure(page45)and
ensurethatthefueltankisatleasthalffull.
2.Openthehoodandsecureitwiththeproprod.
3.Opentheair-bleedscrewonthefuel-injection
pump(Figure35)witha12mmwrench.
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Figure35
1.Bleedscrew
4.TurnthekeyintheignitionswitchtotheON
position.Theelectricfuelpumpwillbegin
operation,therebyforcingairoutaroundtheair
bleedscrew.LeavethekeyintheONposition
untilasolidstreamoffuelowsoutaroundthe
screw.
5.TightenthescrewandturnthekeytotheOFF
position.
Note:Theengineshouldstartafteryouperformthis
procedure.However,ifenginedoesnotstart,airmay
betrappedbetweeninjectionpumpandtheinjectors;
refertoBleedingAirfromtheFuelInjectors(page40).
BleedingAirfromtheFuel
Injectors
Note:Usethisprocedureonlyifthefuelsystemhas
beenpurgedofairthroughnormalprimingprocedures
andtheenginedoesnotstart;refertoBleedingthe
FuelSystem(page40).
1.LoosenthepipeconnectiontotheNo.1nozzle
andholderassembly(Figure36).
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