Komatsu WA380-1 Wheel Loader Service Manual Workshop Guide

Format : PDF
SUPPLIED AS DOWNLOADABLE LINK

Manual Included:
Shop Manual:
1076 pages
Specifications:
Brand:
Komatsu
Model:
WA380-1
Type:
Loader
Serial Numbers:
10001 and up
Manuals:
Shop Manual
Publication Number:
SEBMU4230106
Language:
English
Format:
PDF

Description
Table of Contents
Engine
Power Train
Steering System
Brake and Air System
Work Equipment System
Electric and Electronic System
Others
Manual Extract DISASSEMBLY OF STEERING VALVE:
DISASSEMBLY OF STEERING VALVE
1. Remove tubes (1) and (2).
2. Remove main relief valve assembly (3) and safety valve assembly (4).
3. Case assembly
1) Remove case assembly (5), then remove collar (6).
2) Remove covers (26) and (27).
3) Remove dust seal (28).
4) Loosen bolt (30) of lever (29), then remove shaft (31 ).
5) Remove oil seal (32) and bearings (33) and (34).
4. Spool assembly
1) Remove case (7), then remove spool assembly (8).
2) Remove bolt (9), then remove retainer ( 1 O), spring ( 11) and retainer ( 1 0) from spool ( 1 2). * When loosening the bolt, loosen with the spool assembled in the body.
5. Remove plate (13), then remove valve (14).
6. Remove plate (13), then remove seat (15), spring (16) and valve (17).
7. Remove valve (18), then remove boss (19), spring (20), washer (21) and spool (22).
8. Remove plate (13). then remove seat (23), spring (24) and poppet (25).