Komatsu PW140-7 Wheeled Excavator Repair Manual

Manuals: Shop Manual
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
understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure
you understand the contents of this manual and use it to full effect at every opportunity.
following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This sections explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating Problems to Causes are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.