Toro PROLINE 44409 - General Troubleshooting

GeneralTroubleshooting
Problem
PossibleCauseCorrectiveAction
Thebladecontrolswitch(PTO)is
engaged.
Movetheblade-controlswitch(PTO)to
thedisengagedposition.
Theparkingbrakeisnotengaged.Movethebrakearmtotheengaged
position.
Thebatteryisdead.
Chargethebattery.
Theelectricalconnectionsarecorroded
orloose.
Checktheelectricalconnectsforgood
contact.
Aswitchiswornordamaged.
Testandreplacethefaultyswitch.
Thestarterdoesnotcrank
Thefuseisblown.Replacethefuse.
Theenginediesafter5seconds.Ifyoureleasethemotion-controllevers
anddonotengagetheparkingbrake,
theenginewillshutoffafter5seconds.
Thefueltankisempty.Fillthefueltank.
Thethrottleisnotinthecorrectposition.Besurethatthethrottlecontrolis
alwaysinthefastpositions.
Thereisdirtinthefuellter.Replacethefuellter.
Thereisdirt,water,orstalefuelinthe
fuelsystem.
Cleanandushthefuelsystem.
Theaircleanerisdirty.
Cleanorreplacetheaircleaner
element.
Theelectricalconnectionsare
corroded,loose,ordamaged.
Checktheelectricalconnectionsfor
goodcontact.Cleantheconnector
terminalsthoroughlywithelectrical
contactcleanerandapplydielectric
grease.
Thesparkplugisfouledorimproperly
gapped.
Adjustorreplacethesparkplug.
Thesparkplugwireisnotconnected.
Checkthesparkplugwireconnection.
Theenginedoesnotstart,starts
hard,orfailstokeeprunning
Aswitchiswornordamaged.
Testandreplacefaultyswitch.
Theengineloadisexcessive.Reducethegroundspeedorraise
height-of-cut.
Theaircleanerisdirty.
Cleanorreplacetheaircleaner
element.
Theoillevelinthecrankcaseislow.Addoiltothecrankcase.
Thecoolingnsandairpassages
abovetheengineareplugged.
Removetheobstructionandthoroughly
cleancoolingnsandtheairpassages.
Thefueltankventsystemisplugged.Inspectfueltankventsystemfor
obstructionandrepairsystem.
Thereisdirtinthefuellter.Replacethefuellter.
Enginelosespower
Thereisdirt,water,orstalefuelinthe
fuelsystem.
Cleanandushthefuelsystem.
PROLINE®ServiceManual
Page3–3
Troubleshooting:GeneralTroubleshooting
3431-988RevA