Toro 74939 - Troubleshooting

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Theengineistoohot.
1.Turntheengineoffandletitcool.
2.Thereisoldgasinthegastank.2.Usenewgas.
3.Thefuelshut-offvalveisnotopen
completely.
3.Openthefuelshut-offvalve.
4.Theaircleanerisdirty.4.Makesurethattheaircleanerand
precleanerareclean.Replaceif
necessary.
5.Thebatteryisnotcharged.
5.Chargeorreplacethebattery.
6.Incorrectfuelltersarebeingusedor
dirtyfuellters.
6.ContactanAuthorizedServiceDealer.
7.Theconnectionstosensorselectronic
controlunit(ECU)andfuelinjectors
arenotsecuredproperly.
7.ContactanAuthorizedServiceDealer.
8.Thebatteryhaslowvoltage.8.Ensurethatagood12voltbatteryis
beingusedandisfullycharged.
ThemalfunctionIndicatorLight(MIL)
comeson.
9.Thefuseisblown.9.Checkandreplaceanyblownfuses.
1.Thebladecontrolswitch(PTO)is
engaged.
1.Movethebladecontrolswitch(PTO)
todisengaged.
2.Theparkingbrakeisnoton.
2.Settheparkingbrake.
3.Thedriveleversarenotinneutrallock
position.
3.Ensurethatthedriveleversareinthe
neutrallockposition.
4.Theoperatorisnotseated.
4.Sitontheseat.
5.Thebatteryisdead.
5.Chargethebattery.
6.Theelectricalconnectionsarecorroded
orloose.
6.Checktheelectricalconnectionsfor
goodcontact.
7.Thefuseisblown.7.Replacethefuse.
Thestarterdoesnotcrank.
8.Therelayorswitchisdefective.8.ContactanAuthorizedServiceDealer.
1.Thefueltankisempty.1.Fillthefueltank.
2.Thefuelshutoffvalveisclosed.2.Openthefuelshutoffvalve.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thethrottleisnotinthecorrectposition.4.Besurethatthethrottlecontrolis
midwaybetweenthe“SLOW”and
“FAST”positions.
5.Thereisdirtinfuellter.5.Replacethefuellter.
6.Thereisdirt,water,orstalefuelisin
thefuelsystem.
6.ContactanAuthorizedServiceDealer.
7.Theaircleanerisdirty.
7.Cleanorreplacetheaircleaner
element.
8.Theseatswitchisnotfunctioning
properly.
8.Checktheseatswitchindicator.
Replacetheseatifneeded.
9.Theelectricalconnectionsare
corroded,looseorfaulty.
9.Checktheelectricalconnectionsfor
goodcontact.Cleantheconnector
terminalsthoroughlywithelectrical
contactcleaner,applydielectricgrease,
andreconnect.
10.Therelayorswitchisdefective.10.ContactanAuthorizedServiceDealer.
11.Thesparkplugisfaulty.11.Clean,adjust,orreplacesparkplug.
Theenginewillnotstart,startshard,or
failstokeeprunning.
12.Thesparkplugwireisnotconnected.
12.Checkthesparkplugwireconnection.
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