Troy-Bilt 640C, 644A manual Troy-Bilt LLC, P.O. BOX361131CLEVELAND,OHIO44136-0019, Formno -00585C

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Operator's Manual

Rear-tine Tiller Models

640C-- Tuffy_ CRT

644A m Super Bronco TM CRT

Mode1644A Shown

IMPORTANT: Read safety rules and instructions carefully before operating equipment.

Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush- covered or grass-covered land unless the engine's exhaust system is equipped with a spark attester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.

Troy-Bilt LLC, P.O. BOX361131CLEVELAND,OHIO44136-0019

PRINTEDIN U.S.A.

FORMNO. 769-00585C

9/15/04

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Contents Formno -00585C Troy-Bilt LLC, P.O. BOX361131CLEVELAND,OHIO44136-001915/04 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 ReverseBREAK-INOPERATION OperationStarting and Stopping Dlebarssidewaysto turntiller Operatingthe TillerStoppingthe 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 notTerraceGardening Loading and Unloading TillerUnloading 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