Komatsu WA350-1 Service Repair Manual
FOREWORD GENERAL
This Komatsu shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgments. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further divided into each main group of components.
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.
In addition, this section may contain hydraulic circuit diagrams, electric circuit diagrams, and maintenance standards.
TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at the completion of the checks and repairs. Troubleshooting charts correlating “Problems” with “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them.
MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts.
The contents of this section may be described in STRUCTURE AND FUNCTION.
Komatsu WA350-1 Service Repair Manual
Manual Table of Content:
10 ENGINE
20 POWER TRAIN
40 STEERING SYSTEM
50 BRAKE AND AIR SYSTEM
60 WORK EQUIPMENT SYSTEM
80 ELECTRIC AND ELECTRONIC SYSTEM
90 OTHERS
OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
In addition, this section may give the specifications of attachments and options together.
CONTENTS
10 ENGINE
11 STRUCTURE AND FUNCTION
12 TESTING AND ADJUSTIN
13 DISASSEMBLY AND ASSEMBLY
20 POWER TRAIN
21 STRUCTURE AND FUNCTION
22 TESTING AND ADJUSTING
23 DISASSEMBLY AND ASSEMBLY
24 MAINTENANCE STANDARD
40 STEERING SYSTEM
41 STRUCTURE AND FUNCTION
42 TESTING AND ADJUSTING
43 DISASSEMBLY AND ASSEMBLY
44 MAINTENANCE STANDARD
50 BRAKE AND AIR SYSTEM
51 STRUCTURE AND FUNCTION
52 TESTING AND ADJUSTING
53 DISASSEMBLY AND ASSEMBLY
54 MAINTENANCE STANDARD
60 WORK EQUIPMENT SYSTEM
61 STRUCTURE AND FUNCTION
62 TESTING AND ADJUSTING
63 DISASSEMBLY AND ASSEMBLY
64 MAINTENANCE STANDARD
80 ELECTRIC AND ELECTRONIC SYSTEM
81 STRUCTURE AND FUNCTION
82 TESTING AND ADJUSTING
83 DISASSEMBLY AND ASSEMBLY
90 OTHERS
91 STRUCTURE AND FUNCTION
93 DISASSEMBLY AND ASSEMBLY
97 GEAR PUMP
