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Troy-Bilt 645A-Bronco - User Manual

Troy-Bilt 645A-Bronco
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Operators Manual
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 engines exhaust system is equipped with a spark arrester 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 by contacting the service department at Troy-Bilt LLC, P.O. Box 361131 Cleveland, Ohio 44136-0019.
IMPORTANT:READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
TROY-BILT LLC, P.O. BOX 361131, CLEVELAND, OH 44136-0019
PRINTED IN USA FROM NO. 769-00585A
(01/2003)
Rear-tine Tiller Models
644HBronco
TM
645ABronco
TM
Model 644H Shown (bumper syles vary)

Questions and Answers

Summary

Safety Guidelines and Procedures

Operator Training

Essential training for safe tiller operation and understanding controls.

Preparation for Operation

Steps to prepare the tiller and operating area for safe use.

Safety During Operation

Critical safety rules for operating the tiller in various conditions.

Maintenance and Storage Safety

Precautions to ensure safety when performing maintenance or storing the tiller.

Decals and Operating Symbols

Identification and understanding of safety decals and operational symbols.

Assembly Instructions

Assembly Introduction

Overview of the assembly process and initial checks.

Inspect and Unpack Unit

Instructions for inspecting the unit for damage and unpacking components.

Attach Handlebar Assembly

Step-by-step guide for correctly attaching the handlebar.

Prepare Tiller for Moving

Procedure to safely move the tiller off its shipping platform.

Install Control Cables

Guidance for installing the forward and reverse clutch control cables.

Check Transmission Gear Oil Level

Procedure to check and ensure correct transmission gear oil level.

Add Motor Oil to Engine

Instructions for adding the correct amount of motor oil to the engine.

Check Hardware for Tightness

Ensuring all screws and nuts are properly tightened.

Check Tire Pressure

Ensuring proper and equal tire inflation for balanced operation.

Features and Controls Overview

Introduction to Controls

Overview of the tiller's main features and control functions.

Wheel Drive Pins

How to engage or disengage the wheel drive mechanism.

Forward Clutch Bail

Operation of the control for forward motion and tine engagement.

Reverse Clutch Control

Operation of the control for engaging reverse motion.

Depth Regulator Lever

Adjusting the tiller's depth regulator for tilling depth control.

Handlebar Height Adjustment

How to adjust the handlebar height for operator comfort.

Anti-Reverse Stake

Understanding the function of the anti-reverse safety stake.

Tiller Operation Guide

Introduction to Operation

Overview of operating procedures and safety.

Initial Operation and Break-in

Maintenance and checks required during the initial hours of operation.

Starting and Stopping the Engine

Safe procedures for starting and stopping the tiller's engine.

Operating the Tiller

Guidance on using the tiller for various garden applications.

Turning the Tiller Around

Safe methods for maneuvering and turning the tiller.

Tilling Tips and Techniques

Advice for effective tilling, soil preparation, and cultivation.

Tilling on Slopes

Safe practices and considerations for tilling on inclined terrain.

Loading and Unloading the Tiller

Safe procedures for loading and unloading the tiller from a vehicle.

Maintenance and Troubleshooting

Tiller Lubrication

Lubrication points and procedures for tiller components.

Checking for Oil Leaks

Inspecting for and addressing potential oil leaks in the transmission.

Checking Hardware

Ensuring all nuts, bolts, and screws are properly tightened.

Checking Tire Pressure

Maintaining correct tire inflation for balanced operation.

Transmission Gear Oil Service

Procedure for checking and changing transmission gear oil.

Drain Transmission Gear Oil

Detailed steps for safely draining the transmission gear oil.

Tine Inspection and Replacement

How to inspect tine wear and replace tine assemblies.

Checking Forward Drive Belt Tension

Procedure to check and adjust the forward drive belt tension.

Forward Clutch Bail Adjustment

Adjusting the forward clutch bail for proper function.

Checking Reverse Drive Belt Tension

Procedure to check and adjust the reverse drive belt tension.

Engine Oil Service

Checking and changing the engine oil.

Engine Cleaning

Keeping the engine clean for optimal performance and longevity.

Air Cleaner Service

Servicing the engine's air cleaner for proper air intake.

Spark Plug Service

Inspecting and servicing the spark plug for efficient ignition.

Spark Arrester Screen Service

Cleaning and maintaining the engine's spark arrester screen.

Throttle Lever Adjustment

Information on adjusting the engine's throttle lever.

Carburetor;Governor Control Adjustments

Information regarding carburetor and governor control adjustments.

Off Season Storage

Procedures for preparing the tiller for extended storage.

Troubleshooting Common Issues

Diagnosing and resolving common problems with the tiller.

Limited Lifetime Warranty

What Product is Covered

Details on which tiller models and components are covered by the warranty.

What is Covered by This Warranty

Specific parts and labor covered under the limited lifetime warranty.

What is Not Covered by This Warranty

Exclusions from the warranty, including wear items and damage.

Commercial Use Warranty

Warranty limitations for commercial, industrial, or rental use.

How to Obtain Service

Instructions for locating service dealers and contacting for support.

Summary

Safety Guidelines and Procedures

Operator Training

Essential training for safe tiller operation and understanding controls.

Preparation for Operation

Steps to prepare the tiller and operating area for safe use.

Safety During Operation

Critical safety rules for operating the tiller in various conditions.

Maintenance and Storage Safety

Precautions to ensure safety when performing maintenance or storing the tiller.

Decals and Operating Symbols

Identification and understanding of safety decals and operational symbols.

Assembly Instructions

Assembly Introduction

Overview of the assembly process and initial checks.

Inspect and Unpack Unit

Instructions for inspecting the unit for damage and unpacking components.

Attach Handlebar Assembly

Step-by-step guide for correctly attaching the handlebar.

Prepare Tiller for Moving

Procedure to safely move the tiller off its shipping platform.

Install Control Cables

Guidance for installing the forward and reverse clutch control cables.

Check Transmission Gear Oil Level

Procedure to check and ensure correct transmission gear oil level.

Add Motor Oil to Engine

Instructions for adding the correct amount of motor oil to the engine.

Check Hardware for Tightness

Ensuring all screws and nuts are properly tightened.

Check Tire Pressure

Ensuring proper and equal tire inflation for balanced operation.

Features and Controls Overview

Introduction to Controls

Overview of the tiller's main features and control functions.

Wheel Drive Pins

How to engage or disengage the wheel drive mechanism.

Forward Clutch Bail

Operation of the control for forward motion and tine engagement.

Reverse Clutch Control

Operation of the control for engaging reverse motion.

Depth Regulator Lever

Adjusting the tiller's depth regulator for tilling depth control.

Handlebar Height Adjustment

How to adjust the handlebar height for operator comfort.

Anti-Reverse Stake

Understanding the function of the anti-reverse safety stake.

Tiller Operation Guide

Introduction to Operation

Overview of operating procedures and safety.

Initial Operation and Break-in

Maintenance and checks required during the initial hours of operation.

Starting and Stopping the Engine

Safe procedures for starting and stopping the tiller's engine.

Operating the Tiller

Guidance on using the tiller for various garden applications.

Turning the Tiller Around

Safe methods for maneuvering and turning the tiller.

Tilling Tips and Techniques

Advice for effective tilling, soil preparation, and cultivation.

Tilling on Slopes

Safe practices and considerations for tilling on inclined terrain.

Loading and Unloading the Tiller

Safe procedures for loading and unloading the tiller from a vehicle.

Maintenance and Troubleshooting

Tiller Lubrication

Lubrication points and procedures for tiller components.

Checking for Oil Leaks

Inspecting for and addressing potential oil leaks in the transmission.

Checking Hardware

Ensuring all nuts, bolts, and screws are properly tightened.

Checking Tire Pressure

Maintaining correct tire inflation for balanced operation.

Transmission Gear Oil Service

Procedure for checking and changing transmission gear oil.

Drain Transmission Gear Oil

Detailed steps for safely draining the transmission gear oil.

Tine Inspection and Replacement

How to inspect tine wear and replace tine assemblies.

Checking Forward Drive Belt Tension

Procedure to check and adjust the forward drive belt tension.

Forward Clutch Bail Adjustment

Adjusting the forward clutch bail for proper function.

Checking Reverse Drive Belt Tension

Procedure to check and adjust the reverse drive belt tension.

Engine Oil Service

Checking and changing the engine oil.

Engine Cleaning

Keeping the engine clean for optimal performance and longevity.

Air Cleaner Service

Servicing the engine's air cleaner for proper air intake.

Spark Plug Service

Inspecting and servicing the spark plug for efficient ignition.

Spark Arrester Screen Service

Cleaning and maintaining the engine's spark arrester screen.

Throttle Lever Adjustment

Information on adjusting the engine's throttle lever.

Carburetor;Governor Control Adjustments

Information regarding carburetor and governor control adjustments.

Off Season Storage

Procedures for preparing the tiller for extended storage.

Troubleshooting Common Issues

Diagnosing and resolving common problems with the tiller.

Limited Lifetime Warranty

What Product is Covered

Details on which tiller models and components are covered by the warranty.

What is Covered by This Warranty

Specific parts and labor covered under the limited lifetime warranty.

What is Not Covered by This Warranty

Exclusions from the warranty, including wear items and damage.

Commercial Use Warranty

Warranty limitations for commercial, industrial, or rental use.

How to Obtain Service

Instructions for locating service dealers and contacting for support.

Troy-Bilt 645A-Bronco Specifications

General IconGeneral
Engine Type4-Cycle OHV
EngineTroy-Bilt
Tilling DepthUp to 6 inches
Number of Tines4
Forward Speeds1
Reverse Speeds1
Warranty2-Year Limited
Tilling Width14 inches
Tine DirectionForward Rotating

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