Toro 74020 - Troubleshooting

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
3.Thecoolingnsandairpassages
undertheengine-blowerhousingare
plugged.
3.Removetheobstructionfromthe
coolingnsandairpassages.
4.Theaircleanerisdirty.
4.Cleanorreplacetheair-cleaner
element.
Theengineoverheats.
5.Dirt,water,orstalefuelisinthefuel
system.
5.ContactanAuthorizedServiceDealer
1.Theengineistoohot.
1.Shutofftheengineandletitcool.
2.Thereisoldfuelinthefueltank.2.Usenewfuel.
3.Thefuel-shutoffvalveisnotopen
completely.
3.Openthefuel-shutoffvalve.
4.Theaircleanerisdirty.4.Makesurethattheaircleanerand
precleanerareclean.Replaceif
necessary.
5.Thebatteryisnotcharged.
5.Chargeorreplacethebattery.
6.Incorrectfuelltersarebeingusedor
thefuelltersaredirty.
6.ContactanAuthorizedServiceDealer.
7.Theconnectionstothesensors
electronic-controlunit(ECU)andfuel
injectorsarenotsecuredproperly.
7.ContactanAuthorizedServiceDealer.
8.Thereislowvoltagefromthebattery.
8.Ensurethatyouareusingagood12V
batteryandthatitisfullycharged.
Themalfunction-indicatorlight(MIL)
comeson.
9.Afuseisblown.9.Checkandreplaceanyblownfuses.
1.Theblade-controlswitchisengaged.1.Disengagetheblade-controlswitch.
2.Theparkingbrakeisdisengaged.2.Engagetheparkingbrake.
3.Themotion-controlleversarenotin
theNEUTRAL-LOCKposition.
3.Movethemotion-controllevers
outwardtotheNEUTRAL-LOCKposition.
4.Youarenotsittingintheoperator’s
seat.
4.Sitontheoperator’sseat.
5.Thebatteryisdead.
5.Chargethebattery.
6.Theelectricalconnectionsare
corrodedorloose.
6.Checktheelectricalconnectionsfor
goodcontact.
7.Afuseisblown.7.Replacethefuse.
Thestarterdoesnotcrank.
8.Arelayorswitchisdamaged.
8.ContactanAuthorizedServiceDealer.
72