Toro 30856 - Fuel Pick-Up Tube Screen; Bleeding the Fuel System; Bleeding Air from the Injectors

Figure39
1.Fuelpre-lter
3.Slidethehoseclampsontotheendsofthefuellines.
Pushthefuellinesontothefuellterandsecure
themwiththehoseclamps.Besurethatthearrow
onthesideofthelterpointstowardtheinjection
pump.
FuelPick-upTubeScreen
Thefuelpick-uptube,locatedinsidethefueltank,is
equippedwithascreentohelppreventdebrisfrom
enteringthefuelsystem.Removefuelpick-uptubeand
cleanscreenasrequired.
BleedingtheFuelSystem
1.Parkthemachineonalevelsurface.Makesurethat
thefueltankisatleasthalffull.
2.Unlatchandraisethehood.
Undercertainconditions,dieselfuelandfuel
vaporsarehighlyammableandexplosive.A
reorexplosionfromfuelcanburnyouand
othersandcancausepropertydamage.
•Useafunnelandllthefueltankoutdoors,
inanopenarea,whentheengineisoffand
iscold.Wipeupanyfuelthatspills.
•Donotllthefueltankcompletelyfull.Add
fueltothefueltankuntilthelevelis1/4to
1/2in.(6to13mm)belowthebottomof
thellerneck.Thisemptyspaceinthetank
allowsthefueltoexpand.
•Neversmokewhenhandlingfuel,andstay
awayfromanopenameorwherefuel
fumesmaybeignitedbyaspark.
•Storefuelinaclean,safety-approved
containerandkeepthecapinplace.
3.Opentheairbleedscrewonthefuelinjectionpump
(Figure40).
Figure40
1.Fuelinjectionpumpbleedscrew
4.TurnthekeyintheignitionswitchtotheOn
position.Theelectricfuelpumpwillbeginoperation,
therebyforcingairoutaroundtheairbleedscrew .
LeavethekeyintheOnpositionfor15seconds.Air
andfuelwillbeinternallydrainedbacktofueltank.
TightenthescrewandturnthekeytoOff.
Note:Normallytheengineshouldstartafterthe
abovebleedingproceduresarefollowed.However,
iftheenginedoesnotstart,airmaybetrapped
betweentheinjectionpumpandinjectors;referto
BleedingAirfromtheInjectors.
BleedingAirfromtheInjectors
Note:Thisprocedureshouldbeusedonlyifthe
fuelsystemhasbeenpurgedofairthroughnormal
primingproceduresandtheenginewillnotstart;refer
toBleedingtheFuelSystem.
1.LoosenthepipeconnectiontotheNo.1injector
nozzleandholderassemblyattheinjectionpump
(Figure41).
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