Toro Groundsmaster
3500-D - Fuel System Maintenance; Fuel Tank, Lines, and Water Separator; Fuel Filter Replacement and Bleeding

FuelSystem
Maintenance
DrainingtheFuelTank
ServiceInterval:Every800hours—Drainandclean
thefueltank.
Beforestorage—Drainandcleanthefueltank.
Inadditiontothelistedserviceinterval,drainandclean
thetankifthefuelsystembecomescontaminatedorif
youarestoringthemachineforanextendedperiod.
Usecleanfueltoushoutthetank.
InspectingtheFuelLines
andConnections
ServiceInterval:Every400hours/Yearly(whichever
comesrst)
Inspectthefuellinesfordeterioration,damage,or
looseconnections.
ServicingtheWater
Separator
ServiceInterval:Beforeeachuseordaily
Every400hours
DrainingtheWaterSeparator
1.Placeadrainpanunderthefuellter.
2.Loosenthedrainvalveonthebottomofthelter
(Figure53).
g031634
Figure53
1.Ventplug3.Drainvalve
2.Waterseparator/lter
3.Tightenthevalveafterdraining.
ReplacingtheFuelFilter
1.Cleantheareawheretheltermounts(Figure
53).
2.Removethelterandcleanthemounting
surface.
3.Lubricatethegasketonthelterwithcleanoil.
4.Installthelterbyhanduntilthegasketcontacts
themountingsurface;thenrotateanadditional
1/2turn.
BleedingtheFuelSystem
1.Performthepre-maintenanceprocedure;refer
toPreparingtheMachineforMaintenance(page
38)
2.Ensurethatthefueltankisatleasthalffull.
3.Unlatchandraisethehood.
DANGER
Undercertainconditions,dieselfueland
fuelvaporsarehighlyammableand
explosive.Areorexplosionfromfuel
canburnyouandothersandcancause
propertydamage.
Neversmokewhenhandlingfuel,and
stayawayfromanopenameorwhere
fuelfumesmaybeignitedbyaspark.
4.Opentheair-bleedscrewonthefuel-injection
pump(Figure54).
g031609
Figure54
1.Air-bleedscrewonthefuel-injectionpump
5.TurnthekeyintheignitionswitchtotheON
position.
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