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Komatsu PC240NLC-6K User Manual

Komatsu PC240NLC-6K
266 pages
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Unsafe use of this machine may cause serious injury or
death. Operators and maintenance personnel must read this
manual before operating or maintaining this machine. This
manual should be kept inside the cab for reference and
periodically reviewed by all personel who will come into
contact with the machine.
EEAM006003
Operation &
Maintenance Manual
PC210, PC210LC
-6K
PC240LC, PC240NLC-6K
HYDRAULIC EXCAVATOR
SERIAL NUMBER PC210-6K - K32000 and up
PC210LC-6K - K32000 and up
PC240LC-6K - K32000 and up
PC240NLC-6K - K32000 and up
WARNING
© Komatsu Europe International
All Rights Reserved
Printed in Europe
3-2002
PC210, PC210LC-6K, PC240LC, PC240NLC-6K
EEAM006003

Table of Contents

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Komatsu PC240NLC-6K Specifications

General IconGeneral
BrandKomatsu
ModelPC240NLC-6K
CategoryExcavators
LanguageEnglish

Summary

Safety Information

General Precautions for Safety

Precautions During Operation

Before Starting Engine

Covers safety checks at the worksite and fire prevention before engine start.

Operating Machine

Guidance on starting the engine, checking direction, and safe swinging/travel.

Precautions When Travelling

Instructions for safe travel on rough ground, slopes, and around obstacles.

Prohibited Operations

Highlights operations to avoid, like digging under overhangs or near high-voltage cables.

Precautions for Maintenance

Before Carrying Out Maintenance

Safety measures before starting maintenance, including warning tags and proper tools.

During Maintenance

Safety guidelines for personnel, working under the machine, and keeping it clean.

Explanation of Components

Machine Monitor

Details the functions and indicators of the machine's monitor panel.

Switches

Describes the function of various switches including starting, mode, and speed selectors.

Control Levers and Pedals

Explains the operation of safety lock, travel, and work equipment control levers.

Operation Procedures

Check Before Starting Engine

Details the walk-around checks required before operating the engine.

Starting Engine

Provides step-by-step instructions for normal and cold-weather engine starting.

Operations and Checks After Starting Engine

Guides on warming up the engine and verifying system status post-start.

Moving Machine Off

Instructions for safely moving the machine forward and backward.

Steering Machine

Explains how to change direction and perform turns, including counter-rotation.

Stopping Machine

Provides safe procedures for stopping the machine and parking it.

Swinging

Details on how to operate the swing function safely.

Operation of Work Equipment

Describes how to operate the arm, swing, boom, and bucket using control levers.

Working Mode Selection

Guides on selecting appropriate working modes for different tasks.

Prohibitions for Operation

Lists prohibited operations to prevent damage and ensure safety.

Precautions for Operation

General precautions for operation, including travelling over obstacles and in water.

Precautions When Travelling Up or Down Hills

Specific safety advice for operating on slopes, including angles and braking.

Replacement and Inversion of Bucket

Step-by-step guide for safely replacing and inverting the machine's bucket.

Parking the Machine

Safe procedures for parking the machine on level ground or slopes.

Stopping Engine

Proper procedure for shutting down the engine to prevent damage.

Transportation Procedures

Loading and Unloading Work

Safety precautions and procedures for loading and unloading the machine onto a trailer.

Precautions for Loading

Specific safety measures to follow during the loading process.

Precautions for Transportation

General safety advice to consider before and during machine transportation.

Lifting the Machine

Guidelines for safely lifting the machine using a crane, including qualified personnel.

Cold Weather Operation

Troubleshooting Guide

Other Trouble: Electrical System

Troubleshooting common electrical system issues and their remedies.

Other Trouble: Chassis

Troubleshooting common chassis-related problems and their solutions.

Other Trouble: Engine

Diagnosing and resolving common engine-related issues.

Other Trouble: Electronic Control System

Troubleshooting error codes displayed on the machine monitor.

Guides to Maintenance

Fuel, Coolant, and Lubricants by Ambient Temperature

Periodic Replacement of Safety Critical Parts

Maintenance Schedule Chart

Service Procedure

When Required: Air Cleaner Element

Procedure for checking, cleaning, and replacing the air cleaner element.

When Required: Cooling System

Instructions for cleaning the inside of the cooling system and antifreeze mixture.

When Required: Track Shoe Bolts

Procedure for checking and tightening track shoe bolts.

When Required: Track Tension

How to check and adjust the track tension.

Check Before Starting: Coolant Level

Procedure for checking and adding coolant.

Check Before Starting: Engine Oil Level

Procedure for checking and adding engine oil.

Check Before Starting: Fuel Level

Procedure for checking and adding fuel.

Check Before Starting: Hydraulic Oil Level

Procedure for checking and adding hydraulic oil.

Check Before Starting: Air Cleaner

Checks for air cleaner clogging.

Check Before Starting: Electric Wiring

Checks for damage or issues in the electric wiring system.

Check Before Starting: Water and Sediment

Procedure for draining water and sediment from the fuel system.

Machine Specifications

General Precautions for Attachments

Machines Ready for Attachments

Extending Machine Service Life

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