Operator's Manual

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thebatteryisdischarged.
1.Chargethebatteryorreplaceit.
2.Theelectricalconnectionsarecorroded
orloose.
2.Checktheelectricalconnectionsfor
goodcontact.
Thestarterdoesnotcrank(models22973
and22974).
3.Therelayorswitchisdamaged.
3.ContactyourAuthorizedService
Dealer.
1.Thefueltankisempty.1.Fillthefueltankwithgasoline.
2.Thefuelshutoffvalveisclosed.2.Openthefuelshutoffvalve.
3.Thecontrolsarenotinneutral.3.Movethecontrolstoneutral.
4.Thechokeisnoton.
4.Movethechokeleverfullyforward.
5.Theaircleanerisdirty.
5.Cleanorreplacetheaircleaner
elements.
6.Thesparkplugwireislooseor
disconnected.
6.Installthewireonthesparkplug.
7.Thesparkplugispitted,fouled,orthe
gapisincorrect.
7.Installanew,correctlygappedspark
plug.
Theenginewillnotstart,startshard,or
failstokeeprunning.
8.Dirt,water,orstalefuelisinfuel
system.
8.ContactyourAuthorizedService
Dealer.
1.Theengineloadisexcessive.1.Reducegroundspeed.
2.Theaircleanerisdirty.
2.Cleanorreplacetheaircleaner
elements.
3.Theoillevelincrankcaseislow.
3.Checkandaddoiltothecrankcase.
4.Thecoolingnsandairpassages
undertheengineblowerhousingare
plugged.
4.Removeanyobstructionsfromthe
coolingnsandairpassages.
5.Thesparkplugispitted,fouled,orthe
gapisincorrect.
5.Installanew,correctlygappedspark
plug.
Enginelosespower.
6.Dirt,water,orstalefuelisinfuel
system.
6.ContactyourAuthorizedService
Dealer.
1.Theengineloadisexcessive.1.Reducegroundspeed.
2.Theoillevelincrankcaseislow.
2.Checkandaddoiltothecrankcase.
Theengineoverheats.
3.Thecoolingnsandairpassages
undertheengineblowerhousingare
plugged.
3.Removeanyobstructionsfromthe
coolingnsandairpassages.
Thereisabnormalvibration.1.Theenginemountingboltsareloose.1.Tightentheenginemountingbolts.
1.Theparkingbrakeison.1.Releasetheparkingbrake.
2.Thehydraulicuidlevelislow.2.Checkandaddhydraulicuid.
3.Thetowvalvesareopen.
3.Closethetowvalves.
Themachinedoesnotdrive.
4.Thehydraulicsystemisdamaged.
4.ContactyourAuthorizedService
Dealer.
1.Sandordebrishasbuiltupinatooth
rootofthedrivesprocket.
1.Runthechainbackwardsandthen
reducethechaintension.
2.Thediggingchainistootight.2.Adjustthediggingchaintension.
3.Thetrencherboomendbearinghas
failed.
3.ContactyourAuthorizedService
Dealer.
4.Thetrencherdrivesystemisdamaged.
4.ContactyourAuthorizedService
Dealer.
Thechaindoesnotturn.
5.Thehydraulicsystemisobstructed,
contaminated,ordamaged.
5.ContactyourAuthorizedService
Dealer.
44