Troy-Bilt TB4218 - User Manual

769-26433 / 00 01/22
Operator’s Manual
TB4214 / TB4216 / TB4218
2-Cycle Chain Saw
IMPORTANT: Read this manual thoroughly before using this product. Follow all instructions.
SAVE THESE INSTRUCTIONS
ORIGINAL INSTRUCTIONS

Troy-Bilt TB4218 Specifications

General

Engine Type	2-Cycle
Engine Displacement	42cc
Bar Length	18 inches
Power Output	Unknown
Fuel Capacity	10.2 oz
Chain Pitch	0.325 in
Chain Gauge	0.050 inches
Vibration Level	Unknown

Summary

Safety Guidelines and Symbols

General Safety Instructions

Read All Instructions Before Operating

Emphasizes the necessity of reading and following all safety instructions.

Gas Unit Specific Safety

Crucial warnings and precautions for handling fuel and gas-powered units.

Safe Operating Practices

Details safety precautions to implement during the unit's operation.

Kickback Hazard Awareness

Understanding Kickback Phenomenon

Explains what kickback is, its causes, and how to recognize it.

Rotational Kickback Explained

Linear Kickback Explained

Kickback Prevention Measures

Lists essential precautions to minimize the risk of kickback.

Safety and International Symbols

Required Personal Protective Equipment

Fuel Type Requirements

Bystander Safety

Operation with Both Hands

Kickback Warning

Warns about kickback and its potential causes and dangers.

Initial Assembly Steps

Adding Bar and Chain Oil

Instructs on filling the chain oil reservoir before first use.

Adjusting Chain Tension

Explains how to properly tension the saw chain before starting.

Testing the Chain Brake

Details the procedure for testing the chain brake functionality.

Fuel and Oil Procedures

Critical Fuel Warning: No E85

Warns against using E85 fuel due to potential engine damage.

Correct Fuel Mixing Ratio

Details the correct procedure and ratio for mixing fuel and oil.

Safe Fueling Practices

Provides instructions on how to safely refuel the chain saw.

Starting and Stopping Procedures

Pre-Start Checks

Lists required checks and preparations before starting the unit.

Engine Starting Sequence

Details the step-by-step actions to start the chain saw engine.

Normal Stopping Procedure

Explains the standard procedure for stopping the engine.

Emergency Stop Method

Describes how to quickly stop the unit in an emergency.

Chainsaw Operation

Maximum Cutting Diameter Limits

Work Area and Handling

Preparing the Cutting Area

Details how to prepare the area for safe cutting operations.

Correct Unit Holding Technique

Explains the proper way to hold the unit for safe operation.

Basic Cutting Procedures

Outlines the fundamental steps for performing cuts with the saw.

Tree Felling Safety and Procedure

Felling Safety Precautions

Safety measures to reduce risks during tree felling.

Removing Buttress Roots

Making the Notched Undercut

Describes how to make the undercut to control fall direction.

Felling Back Cut and Limbing

Making the Felling Back Cut

Details how to make the back cut to fell the tree.

Limbing Fallen Trees

Explains the process of removing branches from a fallen tree.

Bucking Safety and Techniques

Bucking Safety Precautions

Safety measures to reduce risks during bucking operations.

Cutting Logs Under Stress

Cutting Fully-Supported Logs

Bucking and Pruning Procedures

Bucking Techniques

Pruning Living Tree Limbs

Unit Maintenance

Customer Maintenance Responsibilities

Scheduled Maintenance Tasks

Provides a schedule of required maintenance and frequency.

Bar and Chain Oiling

Adding Bar and Chain Oil

Instructs on filling the chain oil reservoir for lubrication.

Adjusting Oil Flow Rate

Chain Tension Adjustment

Importance of Proper Tension

Safety During Adjustment

Saw Chain Sharpening

Sharpening Safety

Kickback Risk from Dull Chain

Warns about increased kickback risk from improper sharpening.

Engine Damage Risk

Correct Filing Angles

Depth Gauge Adjustment

Component Replacement and Air Filter

Replacing Guide Bar and Chain

Low-Kickback Chain Recommendation

Advises using low-kickback chains for reduced kickback risk.

Air Filter Maintenance

Troubleshooting Common Issues

Engine Starting Problems

Engine Idle and Acceleration Issues

Power Loss or Stalling

Saw Chain Off Guide Bar

Overheating or Stuck Chain

Chain Rotation or Cutting Issues