Toro 74933 - Troubleshooting

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Theengineistoohot.
1.Shutofftheengineandletitcool.
2.Thereisafaultyvalveinthefueltank.2.ContactanAuthorizedServiceDealer.
3.Theaircleanerisdirty.3.Makesurethattheaircleanerand
precleanerareclean.Replaceif
necessary.
4.Thebatteryisnotcharged.
4.Chargeorreplacethebattery.
5.Theconnectionstothesensors
electronic-controlunit(ECU)andfuel
injectorsarenotsecuredproperly.
5.ContactanAuthorizedServiceDealer.
6.Thereislowvoltagefromthebattery.
6.Ensurethatyouareusingagood12V
batteryandthatitisfullycharged.
Themalfunction-indicatorlight(MIL)
comeson.
7.Afuseisblown.7.Checkandreplaceanyblownfuses.
1.Theblade-controlswitch(PTO)is
engaged.
1.Movetheblade-controlswitch(PTO)
tothedisengagedposition.
2.Theparkingbrakeisdisengaged.2.Engagetheparkingbrake.
3.Themotion-controlleversarenotin
theNEUTRAL-LOCKposition.
3.Ensurethatthemotion-controllevers
areintheNEUTRAL-LOCKposition.
4.Theoperatorisnotseated.
4.Sitontheseat.
5.Thebatteryisdead.
5.Chargethebattery.
6.Theelectricalconnectionsare
corrodedorloose.
6.Checktheelectricalconnectionsfor
goodcontact.
7.Thefuseisblown.7.Replacethefuse.
Thestarterdoesnotcrank.
8.Therelayorswitchiswornor
damaged.
8.ContactanAuthorizedServiceDealer.
1.TheLPGtankisempty.1.ChangetheLPGtank.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
3.Thethrottleisnotinthecorrect
position.
3.Besurethatthethrottlecontrolis
midwaybetweentheslowandfast
positions.
4.Theaircleanerisdirty.
4.Cleanorreplacetheair-cleaner
element.
5.Theseatswitchisnotfunctioning
properly.
5.Checktheseat-switchindicator.
Replacetheseatifnecessary.
6.Theelectricalconnectionsare
corroded,loose,ordamaged.
6.Checktheelectricalconnections
forgoodcontact.Cleanthe
connectorterminalsthoroughlywith
electrical-contactcleaner,apply
dielectricgrease,andmakethe
appropriateconnections.
7.Therelayorswitchiswornor
damaged.
7.ContactanAuthorizedServiceDealer.
8.Thesparkplugisfouledorimproperly
gapped.
8.Adjustorreplacethesparkplug.
Theenginedoesnotstart,startshard,or
failstokeeprunning.
9.Thespark-plugwireisnotconnected.
9.Checkthespark-plugwireconnection.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
2.Cleantheair-cleanerelement.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
Theenginelosespower.
4.Thecoolingnsandtheairpassages
abovetheengineareplugged.
4.Removetheobstructionfromthe
coolingnsandtheairpassages.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
Theengineoverheats.
3.
Thecoolingnsandtheairpassages
abovetheengineareplugged.
3.
Removetheobstructionfromthe
coolingnsandtheairpassages.
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