Troy-Bilt 645AMBRONCO, 644HMBRONCO manual ÷i I÷1 R

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Section1: Safety

Decals

For your safety and the safety of others, various safety and operational decals are located on your unit (see Figure 1 below).

Keepthe decalsclean and legible at all	Referto the separate parts catalogfor
times. Contactyour local service dealer	decal locations, part numbers and
or the factory for replacementsif any	ordering instructions.
decalsare damagedor missing.

ForwardClutchControl	Reverse ClutchControl
OperatingInstruction	OperatingInstruction

StartingStabilization

Message on engine

Warning Messages ontine hood

HotSurfaces

Warning on belt cover

Figure 1: Location of Safety and Operating Decals (Model 644H shown).

Operating Symbols

Various symbols (shown here, with word descriptions) are used on the tiller and engine (your unit may not haveall of the symbols).

i÷i I÷1 R

CHOKE CHOKE REVERSE

ROTATING

ON OFF

TINES

BAILBAIL

			€,E--> <--lZ,	_-_ 0 _	ENGAGED DISENGAGED
FAST	SLOW	STOP	TILLER DIRECTION	LEVERDIRECTION

TO AVOID SERIOUS INJURY:

•READTHE OWNER'SMANUAL.

•KNOWLOCATIONSANDFUNCTIONSOF ALL CONTROLS.

•KEEPALLSAFETYDEVICESAND SHIELDSIN PLACEANDWORKING.

•NEVERALLOWCHILDRENOR UNINSTRUCTEDADULTSTO OPERATETILLER.

•SHUT OFFENGINEAND DISCONNECTSPARKPLUGWIRE BEFOREMANUALLYUNCLOG- GINGTINESOR MAKINGREPAIRS.

•KEEPBYSTANDERSAWAYFROM MACHINE.

•KEEPAWAYFROM ROTATINGPARTS.

•USEEXTREMECAUTIONWHENREVERSINGOR PULLINGTHE MACHINETOWARDSYOU.

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Contents TRtllcBILT Tableofcontents Safety Safety ÷i I÷1 R LooseParts List Qty. Description Tools/MaterialsNeededfor AssemblyIntroduction InspectunitMove Tiller Off Shipping Platform Attach HandlebarInstall Forward Clutch Cable Install ReverseClutch CableCheckAir Pressurein Tires CheckLevelof TransmissionGearOilAdd Motor Oil to Engine Check Hardware for TightnessFreewheel Wheel Drive PinsTo Placethe Wheels in WHEELDRIVEor To Operatethe Reverse ClutchControl Forward Clutch BailTo Operatethe Forward ClutchBail Travel Position Shallow Deep Settings To Adjustthe HandlebarsInitial Operation IntroductionStartingand Stoppingthe Engine Gasoline is Highly Flammable and ITS Vaporsare ExplosiveStarting the Engine Operatingthe TillerStoppingthe Tiller and Engine Turning the Tiller AroundAvoidtilling soggy,wet soil Let the tiller dothe workAvoidmakingfootprints Tilling depthsTilling on slopes Tilling acrossslopeswithout usingterracesClearing the tines Tilling up and downslopesLoadingand Unloadingthe Tiller Procedure Required Maintenance ScheduleBefore Every Each Use HoursCheckhardware CHECKTIREPRESSUREonMachines equipped with pneumatic tires To Checkthe Transmission Gear Oil LevelRemovingand Installing IndividualTines Removingand Installing Tine AssembliesTines Tine InspectionTo CheckForwardBelt Tension Checkingand Adjusting Forwarddrive BelttensionPosition Checkingand Adjusting Reversedrive Belttension Forwardclutch BailadjustmentForwardBelt Replacement Information Reverse Belt Replacement InformationAIR Cleanerservice Engineoil ServiceSparkplugservice EnginecleaningProblem Possible Cause Correction TroubleshootingPartsList Description PartnoMODELS644H & 645A 1918749 Bumper 710-0395 Partno Description Front Description Partno Wheelshaft MODELS644H & 645AMODELS644H & 645A Partno TROY-BILT LLC, P.O. Box 361131, Cleveland, Ohio 44136-0019 TROY-BILT Tiller Lifetime Limited Warranty