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Komatsu PC240LC-11 User Manual

Komatsu PC240LC-11
41 pages
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CEAM028402
Operation & Maintenance
Manual
-11
HYDRAULIC EXCAVATOR
SERIAL NUMBERS PC240LC-11 A22001 and up
ENGINE
6D107E-3
This material is proprietary to Komatsu America International Company and is not to be reproduced, used, or
disclosed except in accordance with written authorization from Komatsu America International Company.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make
changes or improvements at any time without incurring any obligation to install such changes on products sold
previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
Copyright 2016 Komatsu
Printed in U.S.A
March 2016 Komatsu America Corp.

Table of Contents

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Komatsu PC240LC-11 Specifications

General IconGeneral
BrandKomatsu
ModelPC240LC-11
CategoryExcavators
LanguageEnglish

Summary

FOREWORD

BEFORE READING THIS MANUAL

Essential pre-operation reading for understanding the manual and machine safety.

SAFETY INFORMATION

Explains signal words (DANGER, WARNING, CAUTION) and the safety alert symbol.

INTRODUCTION AND MACHINE OVERVIEW

Overview of machine's purpose, operation direction, visibility, protective structures, and regulations.

MAIN USE OF MACHINE

Lists the primary applications for which the Komatsu machine is designed.

MACHINE DIRECTIONS AND VISIBILITY

Defines directions and details visibility standards from the operator's seat.

PROTECTIVE STRUCTURES

Information on ROPS (Roll-Over Protective Structure) conforming to ISO standards.

ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS

Explains the machine's compliance with emission standards like Tier4 Final/Stage IV.

PRODUCT INFORMATION

Details on identifying machine serial numbers, engine plates, and distributor information.

LOCATION OF IDENTIFICATION AND ENGINE PLATES

Specifies the location of the machine's identification and engine number plates.

SERVICE METER LOCATION AND DISTRIBUTOR DETAILS

Indicates service meter location and provides space for distributor contact information.

SAFETY

SAFETY LABELS

Guidelines for understanding, maintaining, and replacing safety labels on the machine.

LOCATION OF SAFETY LABELS

Illustrates the locations of various safety labels on the excavator.

CONTENTS OF SAFETY LABELS

Details the meaning and purpose of specific safety labels and warnings.

GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE

Crucial safety measures for operating and maintaining the machine safely.

PRECAUTIONS BEFORE STARTING OPERATION

Covers ensuring safe operation, understanding the machine, and pre-operation preparations.

SAFE OPERATION PRACTICES

Emphasizes trained personnel, following instructions, and personal well-being.

MACHINE UNDERSTANDING AND PREPARATION

Advises reading the manual, ensuring safety equipment, and performing machine inspection.

PROPER CLOTHING AND PROTECTIVE EQUIPMENT

Guidance on appropriate clothing, PPE, and avoiding loose items.

MACHINE CLEANLINESS AND CAB SAFETY

Importance of keeping the machine clean and safe inside the operator's compartment.

FIRE PREVENTION AND RESPONSE

Measures to prevent fires from fuel, oil, wiring, materials, and actions if fire occurs.

MOUNTING, DISMOUNTING, AND CAB SAFETY

Safe procedures for getting on/off, standing up, leaving the machine, and emergency exits.

SAFE ENTRY AND EXIT PROCEDURES

Proper use of handrails, steps, and warnings against jumping or carrying items.

CAB SAFETY AND EMERGENCY ESCAPE

Precautions for cab glass, standing up, leaving the machine, and emergency exit.

WORK EQUIPMENT AND PROTECTIVE STRUCTURE SAFETY

Warnings about work equipment entanglement, protective structures, and falling objects.

WORK EQUIPMENT HAZARDS

Warning about clearance around moving work equipment and potential entanglement.

PROTECTIVE STRUCTURE AND OBJECT PROTECTION

Importance of ROPS/OPG, avoiding modifications, and protection from falling objects.

MODIFICATIONS, ATTACHMENTS, AND CAB GLASS

Safety regarding unauthorized modifications, attachments, and cab glass integrity.

UNAUTHORIZED MODIFICATION AND ATTACHMENTS

Consequences of unauthorized modifications and precautions for attachments.

CAB GLASS INTEGRITY

Safety advice regarding broken or scratched cab glass.

ENGINE OPERATION AND JOB SITE SAFETY

Precautions for running the engine indoors and general job site safety considerations.

ENGINE OPERATION IN ENCLOSED SPACES

Safety measures for operating the engine in enclosed or poorly ventilated areas.

JOB SITE HAZARDS AND CONDITIONS

Actions to confirm jobsite conditions, avoid hazards, and work safely.

INVESTIGATE AND CONFIRM JOBSITE CONDITIONS

Importance of checking terrain, combustible materials, and utilities.

WORKING ON LOOSE OR UNSTABLE GROUND

Safety measures when operating near edges, ditches, or unstable ground.

HIGH-VOLTAGE CABLE SAFETY

Critical safety distance requirements for working near high-voltage electrical lines.

ENSURE GOOD VISIBILITY AND SIGNALS

Importance of maintaining clear visibility, using signalmen, and understanding signals.

ASBESTOS DUST AND STARTING ENGINE PROCEDURES

Precautions for asbestos dust, engine start, and use of warning tags.

ASBESTOS DUST PRECAUTIONS

Precautions when working in areas with potential asbestos dust exposure.

START ENGINE AND WARNING TAGS

Procedures for starting the engine and respecting warning tags.

PRE-START CHECKS AND COLD WEATHER OPERATION

Daily pre-start checks, safe engine starting, and cold weather operating precautions.

CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE

Daily pre-start checks for safe operation, including fluid levels and controls.

PRECAUTIONS WHEN STARTING ENGINE

Safety measures to prevent accidental movement when starting the engine.

IN COLD WEATHER

Specific precautions for operating the machine in cold weather conditions.

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