Toro 74943 - Troubleshooting

Troubleshooting
Problem
PossibleCauseCorrectiveAction
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.
1.Thefueltankisempty.1.Fillthefueltank.
2.Thefuel-shutoffvalveisclosed.2.Openthefuel-shutoffvalve.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thethrottleisnotinthecorrect
position.
4.Besurethatthethrottlecontrolis
midwaybetweentheslowandfast
positions.
5.Thereisdirtinthefuellter.5.Replacethefuellter.
6.Dirt,water,orstalefuelisinfuel
system.
6.ContactanAuthorizedServiceDealer.
7.Theaircleanerisdirty.
7.Cleanorreplacetheair-cleaner
element.
8.Theseatswitchisnotfunctioning
properly.
8.Checktheseat-switchindicator.
Replacetheseatifnecessary.
9.Theelectricalconnectionsare
corroded,loose,ordamaged.
9.Checktheelectricalconnections
forgoodcontact.Cleanthe
connectorterminalsthoroughlywith
electrical-contactcleaner,apply
dielectricgrease,andmakethe
appropriateconnections.
10.Therelayorswitchiswornor
damaged.
10.ContactanAuthorizedServiceDealer.
11.Thesparkplugisfouledorimproperly
gapped.
11.Adjustorreplacethesparkplug.
Theenginedoesnotstart,startshard,or
failstokeeprunning.
12.Thespark-plugwireisnotconnected.
12.Checkthespark-plugwireconnection.
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