Toro 74952 - Troubleshooting; The starter does not crank.; The engine does not start, starts hard, or fails to keep running.; The engine loses power.

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Theblade-controlswitch(PTO)is
engaged.
1.Movetheblade-controlswitch(PTO)
tothedisengagedposition.
2.Theparkingbrakeisnoton.
2.Settheparkingbrake.
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.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.Thereisdirt,water,orstalefuelinthe
fuelsystem.
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.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
2.Cleantheair-cleanerelement.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thecoolingnsandtheairpassages
abovetheengineareplugged.
4.Removetheobstructionfromthe
coolingnsandtheairpassages.
5.Theventholeinthefuelcapisplugged.5.Cleanorreplacethefuelcap.
6.Thereisdirtinthefuellter.6.Replacethefuellter.
Theenginelosespower.
7.Thereisdirt,water,orstalefuelinthe
fuelsystem.
7.ContactanAuthorizedServiceDealer.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
Theengineoverheats.
3.Thecoolingnsandtheairpassages
abovetheengineareplugged.
3.Removetheobstructionfromthe
coolingnsandtheairpassages.
1.Thetrackingneedsadjustment1.Adjustthetracking.
Themowerpullstotheleftorright(with
leversfullyforward).
2.Thetirepressureinthedrivetiresis
notcorrect.
2.Adjustthetirepressureinthedrive
tires.
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