March 2002
Copyright 2002 Komatsu
DataKom Publishing Corporation
00-1
2
CEBM005802
Shop
Manual
PC200LC-7L
PC220LC-7L
HYDRAULIC EXCAVATOR
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
add 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, periodic revisions may be made to this publication. It is recom-
mended that customers contact their distributor for information on the latest revision.
SERIAL NUMBERS
PC200LC-7L
A86001
and UP
PC220LC-7L
A86001
PC200LC-7L, PC220LC-7L
FOREWORD
CONTENTS
00-2
PC200LC-7L, PC220LC-7L
12
CONTENTS
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01
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
10
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD . . . . . . . . . . . . . . . . . . . . 10-1
20
TESTING, ADJUSTING AND TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-1
30
DISASSEMBLY AND ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-1
90
OTHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-1
FOREWORD
SAFETY
12SAFETY
00
SAFETY NOTICE
00
GENERAL PRECAUTIONS
00
Mistakes in operation are extremely dangerous. Read the
OPERATION & MAINTENANCE MANUAL carefully
BEFORE operating the machine.
1. Before carrying out any greasing or repairs, read all the
precautions given on the decals which are fixed to the
machine.
2. When carrying out any operation, always wear safety
shoes and helmet. Do not wear loose work clothes, or
clothes with buttons missing.
Always wear safety glasses when hitting par