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Komatsu Zenoah BC2603DL User Manual

Komatsu Zenoah BC2603DL
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BC2603DW
BC2603DL
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OWNER’S MANUAL
BRUSHCUTTERS
848JA093A0 (311)
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Komatsu Zenoah BC2603DL Specifications

General IconGeneral
Displacement25.4 cc
Weight5.6 kg
Shaft TypeStraight
Starter SystemRecoil
Dry Weight5.6 kg
Engine TypeAir-cooled, 2-stroke, single cylinder
Power Output0.8 kW (1.1 hp)

Summary

Explanation of Symbols and Safety Warnings

Noise Hazard Warning

Warning about hearing damage due to noise levels above 85 dB(A).

Sound and Vibration Levels

Table detailing sound and vibration measurements for models BC2603DL and BC2603DW.

Safety First

Warning Symbols in Manual

Explains symbols like WARNING, IMPORTANT, NOTE used in the manual for safety and guidance.

Parts Location

Component Identification

Lists and illustrates key parts of the BC2603DL and BC2603DW brushcutters.

Specifications

Model Specifications

Details technical specifications for BC2603DL/BC2603DW, including dimensions, weight, engine, and fuel capacity.

Machine Warning Labels

Label Management and Replacement

Instructions on what to do if warning labels peel off or become unreadable.

Symbols on the Machine

Symbol Meanings and Locations

Explains symbols found on the machine for refueling, choke operation, etc.

For Safe Operation

General Safety Instructions

Covers reading manual, keeping it handy, and ensuring only trained users operate the machine.

Working Conditions and Protection

Details required clothing, protective equipment, and carrying necessary tools for safe operation.

Working Circumstances and Environment

Advises on safe operating environments, avoiding slippery conditions and bad weather.

Working Plan and Time Management

Recommends scheduling breaks and limiting continuous operation to prevent injury.

Before Starting the Engine

Safety checks and preparations before starting the engine, including area clearance.

Starting the Engine Safely

Procedures for safely starting the engine, avoiding throttle engagement during startup.

Using the Product Safely

Guidelines for proper grip, posture, cutting height, and machine operation.

Handling Fuel Safely

Precautions for storing, mixing, and fueling gasoline safely to prevent fires.

Safe Transportation

Guidelines for safely transporting the brushcutter, including fuel considerations.

Set Up

Handle and Guard Installation

Instructions for assembling the handle, line head, and debris guards.

Throttle, Wire, and Blade Assembly

Connecting the throttle wire, switch wires, and assembling the blade.

Protector and Balance Unit

Attaching the protector and adjusting the balance unit for comfortable use.

Fuel

Fuel Information and Warnings

Details on gasoline flammability, recommended oil, and prohibited fuel types.

Recommended Fuel Ratio

Specifies the correct mixing ratio for gasoline and 2-cycle oil.

Mixing and Handling Fuel

Step-by-step guide for mixing fuel and safe fueling procedures.

Engine Life Precautions

Lists fuel types and storage practices to avoid that can damage the engine.

Operation

Starting the Engine

Step-by-step guide for safely starting the brushcutter's engine, including primer and choke use.

Stopping the Engine

Procedure for safely shutting down the engine, and important considerations for stopping.

Adjusting Throttle and Idling

How to adjust the throttle cable and idle speed for optimal engine performance.

Metal Blade Usage

Instructions for safely using and checking metal blades, including fastening and condition.

Cutter Application Chart

Guidance on selecting appropriate cutting attachments for different tasks.

Cutting Method

Techniques for efficient cutting, including blade angle and direction of swing.

Controlling Blade Bounce

Explains causes of blade bounce and how to prevent or manage it for safety.

Line Head Cutting Work

Safe operation techniques for cutting grass and weeds using the line head.

Adjusting Line Length

How to advance the nylon line on the cutting head while operating.

Maintenance

Routine Engine Maintenance

Procedures for cleaning fuel system, spark plug, and cooling vents.

Shaft and Blade Maintenance

Checks for shaft components, gear case lubrication, and blade condition/sharpening.

Filter and Spark Plug Checks

Specific maintenance steps for air filter, fuel filter, and spark plug.

Muffler, Gear Case, and Vent Maintenance

Inspection of muffler, greasing gear case, and cleaning air cooling vents.

100-Hour Maintenance Procedures

Detailed steps for comprehensive maintenance after 100 hours of use.

Storage

Preparing for Storage

Instructions on how to prepare the unit for storage, including fuel management.

Troubleshooting Guide

Starting Failure Troubleshooting

Identifies common causes and actions for engine starting failures.

Engine Running and Restarting Issues

Addresses problems with engines that start but don't run or are hard to restart.

Limited Warranty

Warranty Terms and Conditions

Outlines the warranty period, coverage, exclusions, and user responsibilities.