Toro 74310 - Servicing the Fuses; Adjusting the Safety Switches; Jump Starting the Machine

ServicingtheFuses
Theelectricalsystemisprotectedbyfuses.Itrequires
nomaintenance;however,ifafuseblowscheckthe
component/circuitforamalfunctionorshort.
1.Thefusesarelocatedonrighthandsidebehindthe
seat.
2.Toreplacethefuses,pulloutonthefusetoremoveit.
3.Installanewfuse.
AdjustingtheSafetySwitches
Adjustallsafetyswitchessoplungerextends4.8mmto6.4
mm(3/16inchto1/4inch)fromswitchbodywhenplunger
iscompressed(Figure42).
Figure42
JumpStartingtheMachine
1.Checkandcleancorrosionfromthebatteryterminals
beforejump-starting.Ensurethattheconnectionsare
tight.
CAUTION
Corrosionorlooseconnectionscancause
unwantedelectricalvoltagespikesatanytime
duringthejump-startingprocedure.
Donotattempttojump-startwithlooseor
corrodedbatteryterminals,ordamagetothe
engineorEFImayoccur.
DANGER
Jump-startingaweakbatterythatiscracked
orfrozen,orhasalowelectrolytelevelor
anopen/shortedbatterycellcancausean
explosionresultinginseriouspersonalinjury.
Donotjump-startaweakbatteryifthese
conditionsexist.
2.Makesurethattheboosterbatteryisagoodandfully
chargedlead-acidbatteryat12.6voltsorgreater.Use
properlysizedjumpercableswithshortlengthsto
reducevoltagedropbetweensystems.Makesurethat
thecablesarecolorcodedorlabeledforthecorrect
polarity.
CAUTION
Connectingthejumpercablesincorrectly
(wrongpolarity)canimmediatelydamagethe
EFIsystem.
Becertainofbatteryterminalpolarityand
jumpercablepolaritywhenhookingup
batteries.
WARNING
Batteriescontainacidandproduceexplosive
gases.
•Shieldtheeyesandfacefromthebatteries
atalltimes.
•Donotleanoverthebatteries.
Note:Besuretheventcapsaretightandlevel.Place
adampcloth,ifavailable,overanyventcapsonboth
batteries.Besurethevehiclesdonottouchandthat
bothelectricalsystemsareoffandatthesamerated
systemvoltage.Theseinstructionsarefornegative
groundsystemsonly.
3.Connectthepositive(+)cabletothepositive(+)
terminalofthedischargedbatterythatiswiredtothe
starterorsolenoidasshowninFigure43.
Figure43
1.Positive(+)cableon
dischargedbattery
5.Boosterbattery
2.Positive(+)cableon
boosterbattery
6.Dischargedbattery
3.Negative(–)cableonthe
boosterbattery
7.Engineblock
4.Negative(–)cableonthe
engineblock
4.Connecttheotherendofthepositivecabletothe
positiveterminaloftheboosterbattery.
5.Connecttheblacknegative(–)cabletotheother
terminal(negative)oftheboosterbattery.
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