Exmark LAZER Z DS-SERIES - Troubleshooting; Starter does not crank; Engine will not start, starts hard, or fails to keep running; Engine loses power

Troubleshooting
Troubleshooting
Important:Itisessentialthatalloperatorsafetymechanismsbeconnectedandinproperoperating
conditionpriortomoweruse.
Whenaproblemoccurs,donotoverlookthesimplecauses.Forexample:startingproblemscouldbecaused
byanemptyfueltank.
Thefollowingtablelistssomeofthecommoncausesoftrouble.Donotattempttoserviceorreplacemajor
itemsoranyitemsthatcallforspecialtimingofadjustmentprocedures(suchasvalves,governor,etc.).Have
thisworkdonebyyourEngineServiceDealer.
Note:WhendisconnectingelectricalconnectorsDONOTpullonthewirestoseparatetheconnectors.
ProblemPossibleCauseCorrectiveAction
1.PTOisengaged.
1.DisengagethePTO.
2.Parkingbrakeisnotengaged.2.Settheparkingbrake.
3.Driveleversarenotinneutrallock
position.
3.Ensurethedriveleversareintheneutral
lockposition.
4.Batterydoesnothaveafullcharge.
4.
Chargethebattery.SeeCheck
BatteryChargeandRecommended
JumpStartingProceduresectionsin
Maintenance.
5.Electricalconnectionsarecorroded,loose
orfaulty.
5.Checktheelectricalconnectionsfor
goodcontact.Cleanconnectorterminals
thoroughlywithelectricalcontactcleaner,
applydielectricgreaseandreconnect.
6.Fuseisblown.6.Replacetheblownfuse.
Starterdoesnotcrank
7.Relayorswitchisdefective.7.ContactanAuthorizedServiceDealer.
1.Fueltankisempty.1.Fillthefueltank.
2.Fuelshutoffvalveisclosed.
2.Openthefuelshutoffvalve.
3.Oillevelinthecrankcaseislow.
3.Addoiltothecrankcase.
4.Thethrottleisnotinthecorrectposition.
4.Besurethethrottlecontrolismidway
betweenthe“SLOW”and“FAST”
positions.
5.Dirtinfuellter.5.Replacethefuellter.
6.Dirt,water,orstalefuelisinthefuel
system.
6.ContactanAuthorizedServiceDealer.
7.Aircleanerisdirty.
7.Cleanorreplacetheaircleanerelement.
8.Seatswitchisnotfunctioningproperly.
8.Checktheseatswitchindicator.Replace
seatifneeded.
9.Electricalconnectionsarecorroded,loose
orfaulty.
9.Checktheelectricalconnectionsfor
goodcontact.Cleanconnectorterminals
thoroughlywithelectricalcontactcleaner,
applydielectricgreaseandreconnect.
Enginewillnotstart,startshard,orfailsto
keeprunning
10.Relayorswitchisdefective.10.ContactanAuthorizedServiceDealer.
1.Engineloadisexcessive1.Reducethegroundspeed.
2.Aircleanerisdirty.
2.Cleanorreplacetheaircleanerelement.
3.Oillevelinthecrankcaseislow.
3.Addoiltothecrankcase.
4.Coolingnsandairpassagesforthe
engineareplugged.
4.Removetheobstructionsfromthecooling
nsandairpassages.
5.Ventholeinthefuelcapisplugged.
5.Cleanorreplacethefuelcap.
6.Dirtinfuellter.6.Replacethefuellter.
Enginelosespower
7.Dirt,water,orstalefuelisinthefuel
system.
7.ContactanAuthorizedServiceDealer.
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