Toro Groundsmaster
3500-D - Electrical and Fuel System Maintenance; Bleeding Air from Injectors; Electrical System Safety and Battery

Note:Theelectricfuelpumpwilloperate,
forcingairoutaroundtheair-bleedscrew.Leave
thekeyintheONpositionuntilasolidstreamof
fuelowsoutaroundthescrew.
6.TightenthescrewandturnthekeytotheOFF
position.
Note:Normally,theengineshouldstartafter
performingthisprocedure.However,iftheengine
doesnotstart,theremaybeairtrappedbetweenthe
injectionpumpandinjectors;refertoBleedingAir
fromtheInjectors(page47).
BleedingAirfromthe
Injectors
Note:Usethisprocedureonlyifthefuelsystemhas
beenpurgedofairthroughnormalprimingprocedures
andtheenginedoesnotstart;refertoBleedingthe
FuelSystem(page46).
1.LoosenthepipeconnectiontotheNo.1nozzle
andholderassembly(Figure55).
g031615
Figure55
1.Fuelinjectors
2.MovethethrottletotheFASTposition.
3.TurnthekeyinthekeyswitchtotheSTART
positionandwatchthefuelowaroundthe
connector.
Note:TurnthekeytotheOFFpositionwhen
solidowisobserved.
4.Tightenthepipeconnectorsecurely.
5.Repeatthisprocedureontheremainingnozzles.
ElectricalSystem
Maintenance
ElectricalSystemSafety
•Disconnectthebatterybeforerepairingthe
machine.Disconnectthenegativeterminalrst
andthepositivelast.Connectthepositiveterminal
rstandthenegativelast.
•Chargethebatteryinanopen,well-ventilated
area,awayfromsparksandames.Unplugthe
chargerbeforeconnectingordisconnectingthe
battery.Wearprotectiveclothinganduseinsulated
tools.
ServicingtheBattery
ServiceInterval:Every25hours—Checkthe
electrolytelevel.(Ifthemachineis
instorage,checkitevery30days.)
Maintainthebattery-electrolytelevelproperlyand
keepthetopofthebattery.Ifyoustorethemachinein
ahotlocation,thebatterywilldischargemorerapidly
thanifyoustorethemachineinacoollocation.
Maintainthecelllevelwithdistilledordemineralized
water.Donotllthecellsabovethebottomofthesplit
ringinsideeachcell.Installthellercapswiththe
ventspointingtotherear(towardthefueltank).
DANGER
Batteryelectrolytecontainssulfuricacid
whichisfatalifconsumedandcausessevere
burns.
•Donotdrinkelectrolyteandavoidcontact
withskin,eyes,orclothing.Wearsafety
glassestoshieldyoureyesandrubber
glovestoprotectyourhands.
•Fillthebatterywherecleanwaterisalways
availableforushingtheskin.
Keepthetopofthebatterycleanbywashingit
periodicallywithabrushdippedinammoniaora
solutionofbicarbonateofsoda.Flushthetopsurface
withwateraftercleaning.Donotremovetheller
capswhilecleaningthebattery.
Thebatterycablesmustbetightontheterminalsto
providegoodelectricalcontact.
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