Toro 74024 Service Manual

GeneralTroubleshooting
Problem
PossibleCauseCorrectiveAction
Thebladecontrolswitch(PTO)is
engaged.
Movetheblade-controlswitch(PTO)to
thedisengagedposition.
Theparkingbrakeisnotengaged.Movethemotioncontrolleverstothe
neutrallock(Park)position.
Thebatteryisdead.
Chargethebattery.
Theelectricalconnectionsarecorroded
orloose.
Checktheelectricalconnectsforgood
contact.
Aswitchiswornordamaged.
Testandreplacefaultyswitch.
Thestarterdoesnotcrank
Thefuseisblown.Replacethefuse.
Thefueltankisempty.Fillthefueltank.
Thethrottleisnotinthecorrectposition.Besurethatthethrottlecontrolis
alwaysinthefastpositions.
Thereisdirtinthefuellter.Replacethefuellter.
Thereisdirt,water,orstalefuelinthe
fuelsystem.
Cleanandushthefuelsystem.
Theaircleanerisdirty.
Cleanorreplacetheaircleaner
element.
Theseatswitchisnotfunctioning
properly.
Checktheseat-switchandreplaceif
faulty.
Theelectricalconnectionsare
corroded,loose,ordamaged.
Checktheelectricalconnectionsfor
goodcontact.Cleantheconnector
terminalsthoroughlywithelectrical
contactcleanerandapplydielectric
grease.
Thesparkplugisfouledorimproperly
gapped.
Adjustorreplacethesparkplug.
Theignitioncoil(s)havefailed.Testandreplacefaultycoil(s).
Thesparkplugwireisnotconnected.
Checkthesparkplugwireconnection.
Theenginedoesnotstart,starts
hard,orfailstokeeprunning
Aswitchiswornordamaged.
Testandreplacefaultyswitch.
Theengineloadisexcessive.Reducethegroundspeedorraise
height-of-cut.
Theaircleanerisdirty.
Cleanorreplacetheaircleaner
element.
Theoillevelinthecrankcaseislow.Addoiltothecrankcase.
Thecoolingnsandairpassages
abovetheengineareplugged.
Removetheobstructionandthoroughly
cleancoolingnsandtheairpassages.
Oneoftheignitioncoilshasfailed.T estandreplacethefaultycoil.
Thefueltankventsystemisplugged.Inspectfueltankventsystemfor
obstructionandrepairsystem.
Thereisdirtinthefuellter.Replacethefuellter.
Enginelosespower
Thereisdirt,water,orstalefuelinthe
fuelsystem.
Cleanandushthefuelsystem.
4000SeriesZMASTER®ServiceManual
Page3–3
Troubleshooting:GeneralTroubleshooting
3442-427RevA

Toro 74024 Specifications

General

Model	74024
Deck Material	Steel
Start Type	Recoil
Mulching Capability	Yes
Bagging Capability	Yes
Side Discharge Capability	Yes
Cutting Width	22 inches
Drive System	Rear Wheel Drive
Weight	80 lbs
Wheel Size (Front)	8 inches
Wheel Size (Rear)	11 inches
Engine	Briggs & Stratton®
Fuel Capacity	1.0 qt (0.95 L)
Fuel Tank Capacity	1.0 qt (0.95 L)