Shop Manual
MACHINE MODEL
SERIAL NUMBER
PW140-7
H55051 AND UP
VEBM410101
This shop manual may contain attachments and optional equipment that are not available in your area.
Please consult your local Komatsu distributor for those items you may require.
Materials and specifications are subject to change without notice.
PW140-7 mount the SAA4D107E-1 engine.
For details of the engine, see the 107 Series Engine Shop Manual.
© 2009
All Rights Reserved
Printed in Europe 2009-08
1
PW140-7 VEBM410101
CONTENTS
00 FOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-1
01 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
10
STRUCTURE, FUNCTION AND MAINTENANCE
STANDARD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
20
TESTING AND ADJUSTING. . . . . . . . . . . . . . . . . . . . . . . . 20-1
20
TESTING AND ADJUSTING. . . . . . . . . . . . . . . . . . . . . . 20-101
20
TESTING AND ADJUSTING
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-201
20
TESTING AND ADJUSTING
Troubleshooting when failure code is indicated . . . . 20-301
20
TESTING AND ADJUSTING
Troubleshooting of electrical system (E-Mode) . . . . . 20-501
20
TESTING AND ADJUSTING
Troubleshooting of electrical system
(Error Checking of items without Monitor codes) . . . 20-601
20
TESTING AND ADJUSTING
Troubleshooting of hydraulic and mechanical system
(H-Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-701
30 DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . 30-1
90 OTHER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-1
No. of page
TOC-1
PW140-7 VEBM410101
FOREWORD
Safety
Important safety notice
Proper service and repair is extremely important for
the safe operation of your machine. The service and
repair techniques recommended and described in
this manual are both effective and safe methods of
operation. Some of these operations require t