Maruzen BH112 User Manual

FOR THE SAFETY PURPOSE, PLEASE READ THIS MANUAL THROUGHLY
BEFORE ATTEMPTING TO USE THIS BREAKER. ANY FALES
OPERATING PROCEDURES WILL CAUSE DAMAGES OF THE MACHINE.
ALWAYS KEEP THIS MANUAL TO AN EASILY ACCESSABLE PLACE.
HYDRAULIC HANDHELD BREAKER
MODEL BH112
OPERATING MANUAL
MARUZEN KOGYO CO., LTD.
CAUTION
(Revised March 30, 2017)

Maruzen BH112 Specifications

General

Brand	Maruzen
Model	BH112
Category	Power Tool
Language	English

Summary

Foreword

Manual Importance and Usage

Provides an introduction to the manual and its importance for safe and effective use.

Safety Information

Safety Alert Classifications

Explains DANGER, WARNING, CAUTION symbols used for hazard communication.

Safety Alerts and Precautions

Personal Protective Equipment

Lists required PPE like helmet, goggles, boots, gloves, and hearing protection.

Operating Condition Restrictions

Lists conditions to avoid for safe operation, such as fatigue, injury, or impairment.

Operational Cautions

Handling Hot Parts and Equipment Lending

Warns against touching hot parts and emphasizes safety when lending equipment.

Operation Hazards

Advises against blank hammering to prevent damage and injury from flying tools.

Work Area and System Safety

Bystander and High-Pressure Gas Safety

Covers safety for bystanders and warnings related to high-pressure gas in the accumulator.

Introduction

Intended Uses

Lists the intended purposes for which the hydraulic breaker is designed.

Prohibited Situations

Details situations where the breaker should not be operated.

Specifications and Descriptions

Technical Specifications

Details key specifications such as weight, dimensions, pressure, and oil flow.

Component Identification

Illustrates and labels the main components of the hydraulic breaker.

Precaution Labels and Positions

Label Placement and Legibility

Shows the location of precaution labels on the machine and emphasizes maintaining their legibility.

Inspections Before Each Operation

Pre-Operation Checklist

Lists essential inspection items and their countermeasures to ensure good condition before use.

Guidelines

Power Source and Connection Guidelines

Provides guidelines for connecting to power sources and couplers, and handling hoses.

Operation Safety Guidelines

Offers advice on safe operation, including tool handling, jobsite obstacles, and lifting.

Maintenance and Handling Precautions

Details precautions for hose replacement, coupler detachment, and oil level management.

Operations

Connecting Hydraulic Breaker

Step-by-step instructions for connecting the breaker hoses to the power source.

Loading and Starting Operation

Guides on loading the tool, locking the latch, warming up the engine, and starting the breaker.

Daily Check Out

Pre-Operation Checks

Brief checks for oil leakage and tool damage before each operation.

Periodical Inspection

Scheduled Maintenance Items

Lists components requiring inspection or replacement based on operating hours or time.

Installation of Side Handle

Side Handle Mounting Procedure

Provides instructions for correctly installing the side handle with bolts and washers.

Troubleshooting

Breaker Not Starting

Addresses issues when the control lever does not initiate operation.

Weak Hammering or Low Speed

Troubleshoots problems with reduced hammering force or speed.

Hammering Performance Issues

Covers solutions for normal speed but weak hammering, and strong hammering in high speed.

Operation and Leakage Problems

Addresses issues like stopping during operation, oil leaks, and latch problems.

Exploded View

Model BH112 Component Breakdown

Provides a detailed exploded view diagram identifying all parts of the Model BH112 breaker.

Parts List

Model BH112 Parts Identification

Lists all parts for the Model BH112, including codes, descriptions, and quantities.

Assembly Group Identification

Details parts included in various assembly groups like Accumulator Assy and Seal Kit.