Troy-Bilt 645A-Bronco Depth Regulator Lever, Handlebar Height Adjustment, Anti-Reverse Stake

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Section 3: Features and Controls

Depth Regulator Lever

This lever (G, Figure 3-5) controls the tilling depth of the tines. Pull the lever straight back and slide it up or down to engage the notched height settings.

The highest notch (lever all the way down) raises the tines approximately 1- 1/2" off the ground. This “travel” setting allows the tiller to be moved without the tines digging into the ground. Also use this setting when starting the engine.

Move the lever upward to increase the tilling depth. The lowest notch allows a tilling depth of approximately 6"-8", depending on soil conditions.

For best results, begin tilling at the deepest depth possible without causing the tiller to bog down. Increase the tilling depth from one pass over the soil to the next.

Travel

G

Position

 

Shallow

 

Settings

Deep

 

Settings

Figure 3-5: Depth regulator lever.

WARNING

Place the Depth Regulator Lever in the “travel” position before starting the

engine. This position prevents the tines from touching the ground until you are ready to begin tilling.

Failure to follow this warning could result in personal injury or property damage.

Handlebar Height Adjustment

The handlebar height is adjustable to three different settings (see Figure 3-6). As a general rule, adjust the handlebars so they are at waist level when the tines are 3"-4" into the soil.

To Adjust the Handlebars:

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

2.Remove the screws, lockwashers and nuts, reposition the handlebars, and reinstall the hardware.

High

Medium

Low

Figure 3-6: Handlebar height adjustment.

Anti-Reverse Stake

This stake is located at the rear of the transmission, under the tine hood (see H, Figure 3-7). Its purpose is to automati- cally help prevent the counter-rotating tines from letting the tiller back up in the direction of the operator if the tiller wheels had been inadvertently left in the FREEWHEEL position. In this situation, the Anti-Reverse Stake will be forced down into the ground, lifting the tines upward out of the soil and helping prevent backward motion of the tiller.

The Anti-Reverse Stake requires no adjust- ment, but should be inspected before each tiller use to verify that it swivels freely. Remove any clogged materials (dirt, roots, rocks, etc.) that prevent the Anti-Reverse Stake from swinging freely.

H

Figure 3-7: Anti-Reverse Stake.

ENGINE CONTROLS

Refer to the engine manufacturer’s Engine Owner’s Manual (included in the tiller lit- erature package) to identify the controls on your engine.

IMPORTANT: The control for stopping the engine is located on the engine.

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Contents Operator’s Manual Table of Contents Finding Model NumberEngine Information Calling Customer SupportSafety TrainingUse a deep depth regulator setting Use slower engine speeds Keep children and pets awayNever operate the tiller under Operating Symbols DecalsAssembly Tools/Materials Needed for AssemblyLoose Parts List Qty. Description IntroductionAttach Handlebar Move Tiller Off Shipping PlatformInstall Forward Clutch Cable Install Reverse Clutch CableCheck Level Transmission Gear Oil Check Hardware for TightnessCheck Air Pressure in Tires Tiller is shipped without oil in the engineFeatures and Controls Wheel Drive PinsForward Clutch Bail Reverse Clutch ControlTo Operate the Forward Clutch Bail To Operate the Reverse Clutch ControlHandlebar Height Adjustment Shallow Settings DeepTo Adjust the Handlebars Depth Regulator LeverOperation IntroductionInitial Operation Starting and Stopping the EngineUse the Fast throttle speed setting when tilling Operating the TillerStarting the Engine Stopping the Engine and TillerTurning the Tiller Around For reverse motion of the wheels and tinesStopping the Tiller and Engine Let the tiller do the work Tilling depthsAvoid tilling soggy, wet soil Avoid making footprintsTilling across slopes without using terraces Clearing the tinesTilling on slopes Tilling up and down slopesLoading and Unloading the Tiller Maintenance Required Maintenance ScheduleEvery HoursTransmission Gear OIL Service Tiller LubricationCheck for OIL Leaks Check HardwareRemoving and Installing Tine Assemblies Removing and Installing Individual TinesTines Tine InspectionPosition To Check Forward Belt TensionForward Clutch Bail Adjustment Reverse Belt Replacement InformationTo Check Reverse Belt Tension Engine OIL Service AIR Cleaner ServiceSpark Plug Service Engine CleaningTroubleshooting Parts List Models 644H & 645A Models 644H & 645A Models 644H & 645A GW-1224-3 Front 619-04013 RIGHT-HAND Tine 2926 Models 644H & 645A TROY-BILT Tiller Lifetime Limited Warranty TROY-BILT LLC, P.O. Box 361131, Cleveland, Ohio 44136-0019