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FeaturesandControls

WARNING

Before operating your machine, carefully read and understand all safety, controls and operating instructions in this Manual, the separate Engine Owner'sManual, and on the decals on the machine.

Failure to follow these instructions can result in serious personal injury.

Figure 3-1: Featuresand controls.

Forward ReverseClutch

Clutch BailControl

Regulator

Handlebar Height

Adjustment

Anti-ReverseStake

Drive Pin (on eachwheel)

Introduction

This section describesthe locations and functions of the controls on your tiller. Referto the nextsection ("Operation") for detailed operating instructions.

Practice using these controls, with the engine shut off, until you understandthe operation of the controls and feel confident with each of them.

IMPORTANT:Referto the separate engine manufacturer'sEngineOwner's Manual for informationabout the controls on the engine.

Wheel Drive Pins

WARNING

Never allow either of the

wheels to be in the FREEWHEEL position when the engine is running. Always put both wheels in the WHEEL DRIVE position before starting the engine.

Failure to comply could cause loss of tiller control, property damage, or personal injury.

through the holes in the wheel shaft (not the wheel hubs), thus allowing the wheels to turn freely when the tiller is pushed or pulled by hand.

To Placethe Wheels in WHEELDRIVEor

FREEWHEEL:

1.Stop the engine, disconnect the spark plug wire from the spark plug and allow the engineto cool.

2.Raiseone wheel off the ground and place a sturdy support underthe transmission.

3.Removethe wheel drive pin (A,

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Eachwheel is equippedwith a Wheel Drive Pin (A, Figures3-2 and 3-3) that secures the wheel to the wheel shaft (B). The wheels can be positioned in either a WHEELDRIVEor a FREEWHEELmode.

Before starting the engine, put both wheels in the WHEELDRIVEposition by inserting the Wheel Drive Pins through the wheel hubs andthe wheel shaft. This "locks" the wheels to the wheel shaft, causing the wheels to turn when either the ForwardClutch Bail or the Reverse Clutch Control is engaged.

Usethe FREEWHEELmode only when the engine is not running. In FREEWHEEL, the Wheel Drive Pins are placed only

WARNING

Do not place the tiller on its side when changing the wheel drive positions as doing so could result in gasoline leaking from the fuel tank. Failure to follow this instruc- tion could result in personal injury or property damage.

Figures3-2 and 3-3) by removingthe hairpin cotter (C).

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Troy-Bilt 644HMBRONCO, 645AMBRONCO manual Wheel Drive Pins, To Placethe Wheels in WHEELDRIVEor, Freewheel