Exmark VIKING 408 - Troubleshooting

Troubleshooting
Troubleshooting
Important:Itisessentialthatalloperatorsafetymechanismsbeconnectedandinproperoperating
conditionpriortomoweruse.
Whenaproblemoccurs,donotoverlookthesimplecauses.Forexample:startingproblemscouldbecaused
byanemptyfueltank.
Thefollowingtablelistssomeofthecommoncausesoftrouble.DoNotattempttoserviceorreplacemajor
itemsoranyitemsthatcallforspecialtimingofadjustmentsprocedures(suchasvalves,governor,etc.).Have
thisworkdonebyyourEngineServiceDealer.
Note:WhendisconnectingelectricalconnectorsDoNotpullonthewirestoseparatetheconnectors.
ProblemPossibleCauseCorrectiveAction
1.Fueltankisempty.1.Fillthefueltank.
2.Fuelshutoffvalveisclosed.
2.Openthefuelshutoffvalve.
3.Thethrottleandchokearenotinthe
correctposition.
3.Besurethethrottlecontrolismidway
betweenthe“SLOW”and“FAST”
positions,andthechokeisinthe“ON”
positionforacoldengineorthe“OFF”
positionforawarmengine.
4.Dirtinfuellter.4.Replacethefuellter.
5.Dirt,water,orstalefuelisinthefuel
system.
5.ContactanAuthorizedServiceDealer.
6.Aircleanerisdirty.
6.Cleanorreplacetheaircleanerelement.
7.
Electricalconnectionsarecorroded,loose
orfaulty.
7.Checktheelectricalconnectionsfor
goodcontact.Cleanconnectorterminals
thoroughlywithelectricalcontactcleaner,
applydielectricgreaseandreconnect.
8.Relayorswitchisdefective.8.ContactanAuthorizedServiceDealer.
9.Faultysparkplug.
9.Clean,adjustorreplacesparkplug.
10.Sparkplugwireisnotconnected.
10.Checkthesparkplugwireconnection.
11.PTOisengaged.
11.DisengagethePTO.
12.Speedcontrolleverisnotinneutral
position.
12.Ensuretheshifterleverisintheneutral
position.
Enginewillnotstart,startshard,orfailsto
keeprunning.
13.OPCleversarereleased.
13.DepressOPClevers.
1.Engineloadisexcessive1.Reducethegroundspeed.
2.Aircleanerisdirty.
2.Cleanorreplacetheaircleanerelement.
3.Oillevelinthecrankcaseislow .
3.Addoiltothecrankcase.
4.Coolingnsandairpassagesforthe
engineareplugged.
4.Removetheobstructionsfromthe
coolingnsandairpassages.
5.Ventholeinthefuelcapisplugged.
5.Cleanorreplacethefuelcap.
6.Dirtinfuellter.6.Replacethefuellter.
Enginelosespower
7.
Dirt,water,orstalefuelisinthefuel
system.
7.ContactanAuthorizedServiceDealer.
1.
Engineloadisexcessive
1.
Reducethegroundspeed.
2.
Oillevelinthecrankcaseislow.
2.Addoiltothecrankcase.
Engineoverheats
3.
Coolingnsandairpassagesforthe
engineareplugged.
3.
Removetheobstructionsfromthe
coolingnsandairpassages.
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