Troy-Bilt 644H Tiller User Manual


 
Section5: Maintenance
TROUBLESHOOTING
Beforeperforming anycorrections, refer to the appropriate information in this Manual, or in the Engine Owner'sManual, for the
correct safety precautionsand operating or maintenanceprocedures. Contactyour localauthorized EngineServiceDealerfor
engineservice. Contactyour localauthorized equipment dealeror the factory for all otherservice problems.
PROBLEM
Enginedoes
n_ad.
POSSIBLECAUSE CORRECTION
1. Sparkplug wiredisconnected.
2. EngineThrottle ControlLeverincorrectlyset.
3. Fueltank empty.
4. Chokecontrol(if soequipped)inincorrectposition.
5. Stalegasoline,
6. Dirtyairfilter(s).
7. Defectiveor incorrectlygappedsparkplug,
8. Carburetoroutofadjustment,
9. MisadjustedthrottIe control cable,
fO,Dirtor waterinfueltank.
f. Reconnectwire,
2. Put leverin STARTposition.
3. Addfuel.
4. SeeEngineOwner'sManual.
5. Drainfuelandaddfreshfuel.
6. Cleanor replacefilter(s),
7. Inspectsparkplug.
8. SeeEngineServiceDealer.
9. SeeEngineServiceDealer
10. SeeEngineServiceDealer.
Enginerunspoorly. 1. Defectiveor incorrectlygappedsparkplug, f. Inspectsparkplug (seeEngineOwner'sManual).
2. Dirtyairfilter(s). 2. Cleanor replace(seeEngineOwner'sManual),
3. Carburetoroutofadjustment, 3. SeeEngineServiceDealer.
4. Stalegasoline. 4. Replacewith freshgasoline,
5. Dirtor waterinfueltank, 5. SeeEngineServiceDealer.
6. Enginecoolingsystemclogged, 6. Cleanair coolingsystem(seeEngineOwner'sManual).
Engineoverheats. 1. Enginecoolingsystemclogged, f. Cteanair coolingarea(seeEngineOwner'sManual).
2. Carburetorout ofadjustment, 2. SeeEngineServiceDealer.
3. Oillevelis low. 3. Checkoil level(seeEngineOwner'sManual).
Enginedoesnot
shutoff. 1. Misadjustedthrottle control or ignitionswitch, f. SeeEngineOwner'sManuaior EngineServiceDealer.
WheelsandTines 1. Improperuseof controls, 1. ReviewSections3 and4,
will notturn. 2.Worn, broken,or misadjusteddrivebelt(s). 2. See"CheckingDriveBeltTension,"Section5,
3. Internaltransmissionwearor damage. 3 ContactIoealdeaierorthefactory.
4. Boltlooseintransmissionpuliey, 4. Tightenbolt.
Tinesturn, bul 1,WheelDrivePinsnot inWHEELDRIVE. 1. See"WheelDrivePins"in Section3.
wheelsdon't. 2. Internaltransmissionwearor damage. 2. ContactlocalDealerorthe Factory.
WheelsTurn,but 1.Tineholdermountinghardwaremissing, f. Replacehardware.
TinesDon't. 2. Internaltransmissionwearor damage. 2. ContactlocalDealerorthe Factory,
Poortilling 1,Worntines. 1. See"Tines"(Section5),
performance. 2. ImproperDepthRegulatorsetting. 2. See"Tilling Tips &Techniques,"Section4.
3. Incorrectthrottlesetting, 3. SeeSection4,
4. ForwardDriveBeltslipping, 4. See"CheckingForwardDriveBeltTension,"Section5,
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