Troy-Bilt 640C, 644A manual Sparkplugservice, Throttleleveradjustment, Off-Seasonstorage

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moving partsto come to a complete stop, disconnectspark plug wire and move wire awayfrom

,_ WARNING: Beforeinspecting, cleaning or servicing the machine,shut off engine, wait for all spark plug. Failureto follow these instructions can result in serious personal injury or property

damage.

3. Cleanaround the oil dipstick or oil fill tube (whichever applies) to prevent dirt from falling into the crankcase.

4.Onengines with an oil fill tube, remove the fill cap and add oil (if required) until it reachesthe top of the fill tube. Reinstallthe fill cap.

5.Onengines with a dipstick, remove it and wipe it clean. Reinsertthe dipstick, tighten it securely,and removeit. Add oil as neededto bring the level upto the FULL mark. Wipe dipstick clean each time oil level is checked. Do not overfill. Tighten dipstick securely.

B. To Change the Engine Oil: Changethe engine oil as instructed inthe EngineOwner'sManual.

SPARKPLUGSERVICE

Inspect andcleanor replacethe spark plug after every 100 operating hours or annual- ly. Referto the EngineOwner'sManualfor spark plug service instructions.

In some areas,local law requires using re- sistor spark plugs to suppress ignition sig- nals. If the enginewas originally equipped with a resistor spark plug, use the same type for replacement.

SPARKARRESTERSCREEN SERVICE

If the engine muffler is equipped with a spark arresterscreen, removeand clean it according to the service intervals and in- structions in the EngineOwner'sManual.

THROTTLELEVERADJUSTMENT

If the engine does not respond to various throttle lever settings, refer to the Engine Owner'sManual for service information or contact your local authorized engine deal- er.

WARNING: Operators

shall not tamper with the engine governor settings onthe machine;the governor controls the maximum safeoperating speedto protect the engineand all moving partsfrom damage causedby overspeed. Authorizedservice shall be sought if a problem exists.

CARBURETOR/GOVERNOR CONTROLADJUSTMENTS

Thecarburetor wasadjusted at the factory for best operating speed. Referto the En- gine Owner'sManual for any adjustment information or see your authorizedengine dealer.

The governor controls the maximum safe operating speed and protects the engine andall moving partsfrom damagecaused by overspeeding. Do not tamper with the enginegovernor settings.

OFF-SEASONSTORAGE

When the tiller won'tbe used for an ex- tended period, prepareit for storageas fol- lows:

1.Cleanthe tiller and engine.

2.Do routine tiller lubrication and check for loose parts and hardware.

3.Protect the engine and perform recom- mended engine maintenanceby following the storage instructions found in the En- gine Owner'sManual. Besure to protect the fuel lines, carburetor and fuel tank from gum deposits by removing fuel or by

treating fuel with a fuel stabilizer (follow enginemanufacturer'srecommendations).

4.Store unit in aclean, dry area.

5.Neverstore the tiller with fuel in the fuel tank in an enclosedareawhere gas fumes could reach an open flame or spark, or

where ignition sources are present (space heaters, hot water heaters, furnaces, etc.).

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Contents Troy-Bilt LLC, P.O. BOX361131CLEVELAND,OHIO44136-0019 Formno -00585C15/04 Findingmodelnumber SafetyAlert Symbol SafetyForwardClutchBailReverseClutchControl Models644AAvoidusing downwardpressureon Tiller, usingone handon the handlePowerif thewheels are in the Freewheel TillerHotSurfacesWarning OperatingSymbolsMayheusedontedllerandengine Bail Engaged DisengagedAssemblysteps AssemblyInspectunit TOOLS/ MaterialsneededClutch Cable Install ForwardAdjuster While preventingthe cable adjuster from turningInstall Reverse Clutch Cable Model 644A only SpringandTires unitswithpneumatictires OIL LevelEl-/ AUU IVlUI UH UIL Thetiller is shipped withoutoil in the en- gineWheel Drive Pins FeaturesandcontrolsIntroduction Engine ControlsForwardclutchbail Handlebar Height AdjustmentReverseclutchcontrol BailE. OnlyMode1644Ahavea ReverseOperation BREAK-INOPERATIONStarting and Stopping Operatingthe Tiller Dlebarssidewaysto turntillerStoppingthe Tillerand Engine Let the Tiller Dothe Work AvoidMaking Footprints Tilling DepthsAvoidTilling Soggy,Wet Soil Thoroughlypulverizethe soilLoading and UnloadingtheTiller Clearingthe TinesRead the followingrecommendationsbeforetilling on slopes Tilling Up and DownSlopesVertical Tilling Wahning Do notLoading and Unloading Tiller TerraceGardeningUnloading the tiller into a Maintenance To Drain theTransmissionGear Oil BolotinesDrain the oil from the engine Removethe left-side wheelForwarddrive Belt Tension Checkingand AdjustingSqueezetheForwardClutch Bailagainst Handlebarsee -4 and reAircleanerservice EnginecleaningForwardclutch Bail Adjustment Engine OIL ServiceThrottleleveradjustment SparkplugserviceStore unit in aclean, dry area OFF-SEASONSTORAGECorrection ProblemDescription M13 AForModel640C BForModel644A1418 749-04193 Bumper B 710-0395 PartnoPartno Description Front I11 Description AForModel640C BForModel644AHold TinesWith Blunt EndTowardYou Tine ShaftPage TROY-BILT LLC, P.O. Box 361131, Cleveland, Ohio 44136-0019 TROY-BILT Tiller Lifetime Limited Warranty