Troy-Bilt TB51BP User Manual

769-25751 / 00 08/20
TB51BP
2-Cycle Backpack Blower
Operator’s Manual
IMPORTANT: Read this manual thoroughly before using this product. Follow all instructions.
SAVE THESE INSTRUCTIONS

Troy-Bilt TB51BP Specifications

General

Brand	Troy-Bilt
Model	TB51BP
Category	Blower
Language	English

Summary

Service and Warranty Information

Warranty Service

Information on obtaining warranty service and locating authorized service centers for repairs.

Product Registration

Instructions for registering the product online for easy access to parts, manuals, and warranty info.

Safety Information

Understanding Safety Symbols

Explains the meaning of danger, warning, caution, and note symbols for user safety.

Spark Arrestor Requirements

Details requirements for spark arrestors on engines used in specific forest and brush areas.

California Prop 65 Warning

Warns about chemical exposure from engine exhaust, known to cause cancer or reproductive harm.

Essential Safety Instructions

Safe Operating Guidelines

Provides essential safety instructions for operating the unit, emphasizing understanding and alertness.

Gasoline Handling Safety

Outlines crucial safety precautions when handling and using gasoline, including storage and fueling.

Safe Operation Practices

Personal Protective Equipment

Specifies required safety gear like safety glasses, hearing protection, and appropriate clothing.

Operating Techniques

Details how to operate the unit safely, including grip, balance, avoiding moving parts, and hot surfaces.

Maintenance and Care Procedures

Pre-Maintenance Safety Checks

Instructions on shutting off the engine, cooling, and disconnecting the spark plug before maintenance.

Use of Genuine Parts

Emphasizes using only original equipment manufacturer parts for safety and warranty compliance.

Routine Maintenance Tips

Advice on keeping the unit clean, checking for vibration, and maintaining the muffler and spark arrestor.

Blower Specific Safety Rules

Airflow and Usage Restrictions

Warns against inserting objects into openings, operating with blocked tubes, and spraying liquids.

Safe Debris Blowing Practices

Guidelines on directing airflow away from people/property and caution near solid objects or plants.

General Safety Precautions

Maintenance Responsibility

Clarifies that only authorized dealers should perform non-manual maintenance procedures.

Safety Device Integrity

Stresses not removing or modifying any safety devices installed on the unit.

Storage Safety Guidelines

Instructions for safe storage, including fuel handling and securing the unit from unauthorized access.

Safety and International Symbols Guide

General Safety Alert Symbols

Explains the general alert symbol indicating danger, warning, or caution.

Personal Protection Symbols

Details symbols for wearing eye/hearing protection, foot protection, and hand protection.

Fuel and Oil Symbols

Symbols for unleaded fuel, oil, and a warning against using E85 fuel.

Control and Hazard Symbols

Explains symbols for stop control, primer bulb, choke control, thrown objects, hot surfaces, and rotating parts.

Understanding Your Unit

Unit Applications and Tools

Lists common applications and specifies the tools required for assembly.

Technical Specifications

Engine and Fuel Specifications

Details engine type, displacement, spark plug, lubrication, and fuel tank capacity.

Performance Specs

Provides specifications for air volume and air speed measured at different points of the blower.

Unit Assembly Instructions

Main Blower Assembly

Provides step-by-step instructions for assembling the blower, including attaching tubes.

Attaching Flex Tube to Elbow

Details how to attach the flex tube to the elbow tube using hose clamps.

Connecting Upper Blower Tube

Explains the process of connecting the flex tube to the upper blower tube with clamps.

Blower Assembly Details

Installing Lower Blower Tube

Instructions on how to align and secure the lower blower tube onto the upper blower tube.

Installing Blower Nozzle

Guides on attaching the nozzle to the lower blower tube using its tab and hole mechanism.

Removing Blower Tubes and Nozzle

Steps for detaching the lower blower tube and the nozzle from the blower assembly.

Adjusting Throttle Grip Position

How to loosen, reposition, and tighten the throttle grip for optimal user comfort and control.

Fuel and Oil Management

Fuel Mixing Procedure

Detailed guidance on the correct gasoline and oil mixture ratio (50:1) for the engine.

Understanding Blended Fuels

Explains the nature of modern fuels and their impact on engine performance and storage.

Fueling Safety Precautions

Step-by-step instructions for safely fueling the unit, including precautions for flammable vapors.

Starting and Stopping Procedures

Engine Starting Guide

Comprehensive guide on how to start the backpack blower, including primer, choke, and rope pulls.

Engine Stopping Guide

Clear steps on how to safely stop the engine using the on/off switch.

Operating the Blower

Wearing and Adjusting Harness

Instructions on how to properly put on and adjust the harness for secure and comfortable operation.

Safely Removing the Unit

Steps for safely removing the unit from the operator's body using the harness clips and straps.

Blower Operation Tips

Proper Unit Holding Technique

Guidance on maintaining proper posture and grip while operating the backpack blower.

Best Practices for Effective Use

Provides advice on efficient operation, noise reduction, and effective debris blowing techniques.

Maintenance Procedures

Recommended Maintenance Schedule

Outlines the recommended maintenance tasks and their frequencies (e.g., every 10/25 hours).

Air Filter Maintenance Guide

Step-by-step guide on cleaning and oiling the air filter to ensure proper engine performance.

Pre-Filter Replacement Steps

Instructions on how to replace the pre-filter, which is crucial for engine longevity.

Maintenance Details

Adjusting Engine Idle Speed

Steps to adjust the engine's idle speed if it is not running smoothly.

Spark Plug Maintenance Guide

Procedure for cleaning, inspecting, and setting the gap for the spark plug.

Unit Care and Storage

Exterior Unit Cleaning

Instructions on how to clean the exterior of the unit using appropriate cleaning agents.

Short-term Storage Guidelines

Guidelines for safe and proper storage of the unit.

Long-term Storage Preparation

Detailed steps for preparing the unit for extended periods of non-use, including draining fuel and oiling cylinder.

Preparing for Post-Storage Use

Steps to take to get the unit ready for operation after it has been stored for a long time.

Troubleshooting Common Issues

Engine Start Failures Troubleshooting

Lists common causes and solutions for the engine failing to start.

Engine Idle Issues Troubleshooting

Provides troubleshooting steps for issues related to the engine idling improperly.

Engine Acceleration Problems Troubleshooting

Solutions for problems where the engine fails to gain speed or accelerate.

Power Loss or Stalling Troubleshooting

Troubleshooting tips for when the engine has low power or stops unexpectedly.

Warranty and Support

Manufacturer's Limited Warranty Terms

Details the terms, duration, and conditions of the limited warranty provided by Troy-Bilt.

Obtaining Service and Support

Explains how to get warranty service, including contact information and location of dealers.

Warranty Limitations and Exclusions

Lists items and conditions not covered by the limited warranty and limits liability.