Troy-Bilt 644H manual Troubleshooting, Problem Possiblecause Correction

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Section5: Maintenance

TROUBLESHOOTING

Before performing any corrections, refer to the appropriate information in this Manual, or in the Engine Owner'sManual, for the correct safety precautions and operating or maintenance procedures. Contactyour local authorized EngineServiceDealerfor engineservice. Contactyour local authorized equipment dealeror the factory for all other service problems.

PROBLEM

 

POSSIBLECAUSE

 

CORRECTION

Enginedoes

1.

Sparkplug wire disconnected.

f. Reconnectwire,

n_ad.

2.

EngineThrottle Control Leverincorrectlyset.

2.

Put leverin STARTposition.

 

3.

Fueltank empty.

3.

Addfuel.

 

4.

Chokecontrol (if so equipped)in incorrect position.

4.

SeeEngineOwner'sManual.

 

5.

Stalegasoline,

5.

Drainfuel and addfresh fuel.

 

6.

Dirty air filter(s).

6.

Cleanor replacefilter(s),

 

7.

Defectiveor incorrectlygappedspark plug,

7.

Inspect sparkplug.

 

8.

Carburetorout of adjustment,

8.

SeeEngineServiceDealer.

 

9.

MisadjustedthrottIe control cable,

9.

SeeEngineServiceDealer

 

fO,Dirt or water in fuel tank.

10. SeeEngineServiceDealer.

Enginerunspoorly.

1.

Defectiveor incorrectlygappedspark plug,

f. Inspect sparkplug (seeEngineOwner'sManual).

 

2.

Dirty air filter(s).

2.

Cleanor replace(seeEngineOwner'sManual),

 

3.

Carburetorout of adjustment,

3.

SeeEngineServiceDealer.

 

4.

Stalegasoline.

4.

Replacewith fresh gasoline,

 

5.

Dirt or water in fuel tank,

5.

SeeEngineServiceDealer.

 

6.

Enginecoolingsystemclogged,

6.

Cleanair cooling system(seeEngineOwner'sManual).

Engineoverheats.

1.

Enginecoolingsystemclogged,

f.

Cteanair cooling area(seeEngineOwner'sManual).

 

2.

Carburetorout of adjustment,

2.

SeeEngineServiceDealer.

 

3.

Oil levelis low.

3.

Checkoil level(seeEngineOwner'sManual).

Enginedoesnot

 

 

 

 

shutoff.

1.

Misadjustedthrottle control or ignition switch,

f. SeeEngineOwner'sManuaior EngineServiceDealer.

WheelsandTines

1.

Improper use of controls,

1.

ReviewSections3 and4,

will notturn.

2. Worn, broken,or misadjusteddrivebelt(s).

2.

See"CheckingDriveBelt Tension,"Section5,

 

3.

Internaltransmission wearor damage.

3

ContactIoealdeaieror thefactory.

 

4.

Bolt loosein transmission puliey,

4.

Tightenbolt.

Tinesturn, bul

1, Wheel Drive Pinsnot in WHEELDRIVE.

1.

See"Wheel Drive Pins"in Section3.

wheelsdon't.

2.

Internaltransmission wearor damage.

2.

ContactlocalDealerorthe Factory.

WheelsTurn,but

1. Tine holder mounting hardwaremissing,

f.

Replacehardware.

TinesDon't.

2.

Internaltransmission wearor damage.

2.

ContactlocalDealerorthe Factory,

Poortilling

1, Worn tines.

1.

See"Tines" (Section5),

performance.

2.

Improper DepthRegulatorsetting.

2.

See"Tilling Tips & Techniques,"Section4.

 

3.

Incorrectthrottle setting,

3.

SeeSection4,

 

4.

ForwardDriveBelt slipping,

4.

See"CheckingForwardDrive BeltTension,"Section 5,

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Contents TRtlI Bilt Engineinformation Table of ContentsFindingmodelnumber CLEVELAND,OH44136Safety Safety Various symbols shown here, with word OperatingSymbolsStartingStabilization Messageonengine HotSurfaces UnpackingInstructions LooseParts List Qty. DescriptionAttach Handlebar MoveTiller OffShipping PlatformInstall ReverseClutch Cable AssemblyCheckAir Pressurein Tires CheckLevelof TransmissionGearOilFlatSide Tiller is shipped withoutoil in the engineAdjustment Anti-ReverseStake Drive Pin on each wheel Wheel Drive PinsForward Reverse Clutch ClutchBailControl Ulator To Place the Wheels in WHEELDRIVEorForward Clutch Bail ReverseClutchControlTo Operate the ForwardClutchBail To Operate the Reverse ClutchControlTo Adjustthe Handlebars HandlebarHeightAdjustmentDepthRegulatorLever Anti-ReverseStakeIntroduction Pre-Start ChecklistInitial Operation Startingand Stoppingthe EngineStarting the Engine OperatingthetillerStoppingthe Tiller and Engine Turningthe Tiller AroundAvoidtilling soggy,wet soil Let the tiller dothe workAvoidmakingfootprints Tilling depthsClearingthe tines Tilling acrossslopeswithout using terracesTilling on slopes Tilling up and downslopesLoadingand Unloadingthe Tiller Before Eve Each Use Hours Check engineoil level Every Required Maintenance Schedule ProcedureCheckhardware Transmissiongearoil ServiceTillerlubrication Checkforoil LeaksRemovingand Installing Individual Tines Removingand Installing Tine AssembliesTines Tine InspectionPosition Checkingand Adjusting Forwarddrive BelttensionTo CheckForwardBelt Tension Checkingand Adjusting Reversedrive Belttension Forwardclutch Bail AdjustmentForwardBelt Replacement Information Reverse Belt Replacement InformationSparkplugservice EngineoilserviceProblem Possiblecause Correction TroubleshootingList Partno Description MODELS644H & 645AMODELS644H & 645A GW-55042 GW-1224-3 FRONT11 Description Partno Wheelshaft Tine Shaft RIGHT-HANDTINE LEFT-HANDTINE EngineUtchcable Forward Clutchcable MODELS644H & 645A TROY-BILT Tiller Lifetime Limited Warranty