Toro Groundsmaster 4000-D - Fuel System Maintenance; Fuel Handling Safety; Servicing the Water Separator; Bleeding Air from Injectors

FuelSystem
Maintenance
ServicingtheFuelSystem
Undercertainconditions,dieselfuelandfuel
vaporsarehighlyammableandexplosive.A
reorexplosionfromfuelcanburnyouand
othersandcancausepropertydamage.
•Useafunnelandllthefueltankoutdoors,
inanopenarea,whentheengineisoffand
iscold.Wipeupanyfuelthatspills.
•Donotllthefueltankcompletelyfull.Add
fueltothefueltankuntilthelevelis1/4to
1/2inch(6to13mm)belowthebottomof
thellerneck.Thisemptyspaceinthetank
allowsthefueltoexpand.
•Neversmokewhenhandlingfuel,andstay
awayfromanopenameorwherefuel
fumesmaybeignitedbyaspark.
•Storefuelinaclean,safety-approved
containerandkeepthecapinplace.
FuelTank
ServiceInterval:Every800hours
Drainandcleanthefueltankevery800hours.Also,
drainandcleanthetankiffuelsystembecomes
contaminatedorifthemachinewillbestoredforan
extendedperiodoftime.Usecleanfueltoushout
thetank.
FuelLinesandConnections
ServiceInterval:Every400hours
Checkthefuellinesandconnectionsevery400hours
oryearly,whichevercomesrst.Inspectthemfor
deterioration,damage,orlooseconnections.
ServicingtheWaterSeparator
ServiceInterval:Every400hours
Drainwaterorothercontaminantsfromwaterseparator
(Figure51)daily.Replaceltercanisterafterevery400
hoursofoperation.
1.Placeacleancontainerunderthefuellter.
2.Loosenthedrainplugonthebottomofthelter
canister.
Figure51
1.Waterseparatorltercanister
3.Cleantheareawheretheltercanistermounts.
4.Removetheltercanisterandcleanthemounting
surface.
5.Lubricatethegasketontheltercanisterwithclean
oil.
6.Installtheltercanisterbyhanduntilthegasket
contactsmountingsurface,thenrotateitan
additional1/2turn.
7.Tightenthedrainplugonthebottomofthelter
canister.
BleedingAirfromtheInjectors
1.LoosenthetubeconnectiontotheNumber1
injectornozzleandholderassemblyattheinjection
pump(Figure52).
Figure52
1.Number1injectornozzle
2.MovethethrottletotheFastposition.
3.TurnthekeyintheignitionswitchtotheStart
positionandwatchthefuelowaroundthe
connector.TurnthekeytotheOffpositionwhen
solidowisobserved.
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