Hitachi CH 50EA3 (ST) User Manual

970-83301-200 2009.12
CH66EB3 (ST)
Hedge Trimmer
Model CH 50EA3 (ST)/CH 55EB3 (ST)
CH 62EA3 (ST)/CH 66EB3 (ST)
CH 78EC3 (ST)
Handling instructions
Note:
Before using this machine, carefully read through these HANDLING INSTRUCTIONS to ensure
effi cient, safe operation. It is recommended that these INSTRUCTIONS be kept readily available as
an important reference when using this machine.
000BookCH50EA3ENG.indb1000BookCH50EA3ENG.indb1 2009/12/2117:35:372009/12/2117:35:37

Hitachi CH 50EA3 (ST) Specifications

General

Brand	Hitachi
Model	CH 50EA3 (ST)
Category	Trimmer
Language	English

Summary

Handling Instructions

Meanings of Symbols

Symbol Explanations

Explains the meaning of symbols used in the manual for safe operation.

Pre-Operation Checks

Pre-operation checks for safe and efficient use of the hedge trimmer.

What is What?

Warnings and Safety Instructions

Operator Safety Precautions

Guidelines for safe operation concerning the user's physical condition and attire.

Unit and Machine Safety Measures

Precautions for inspecting and maintaining the hedge trimmer for safe operation.

Fuel Handling Safety

Critical safety measures for handling and storing fuel for the hedge trimmer.

Cutting Operation Safety

Safety procedures to follow during the cutting operation to prevent accidents.

Transport and Storage Guidelines

Instructions for safely transporting and storing the hedge trimmer.

Maintenance Safety Protocols

Safety precautions to observe when performing maintenance on the hedge trimmer.

Specifications

Operating Procedures

Fueling and Fuel Mix

Instructions on the correct type and mixing of fuel for the two-stroke engine.

Starting the Hedge Trimmer

Step-by-step guide on how to start the hedge trimmer engine safely.

Stopping the Hedge Trimmer

Procedure for safely stopping the hedge trimmer engine.

Cutting Techniques

Techniques and precautions for effective hedge trimming.

Maintenance

Carburetor and Idle Speed Adjustment

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

Air Filter and Spark Plug Maintenance

Instructions for cleaning and replacing air filters and spark plugs.

Cutter Blade and Gear Case Care

Procedures for adjusting cutter blade clearance and lubricating the gear case.

Fuel Filter and Cylinder Fin Cleaning

Steps for cleaning fuel filters and cylinder fins for engine longevity.

Long-Term Storage and Schedule

Guidelines for preparing the unit for storage and a general maintenance schedule.