Komatsu WA600-6, WA600-6R Wheel Loader Service Manual

Table of Contents

• Index and foreword
• Specification
• Structure, functions and maintenance standard
• Standard value table
• Testing and adjusting
• Troubleshooting
• Disassembly and assembly
• Diagrams and drawings

Disassembly and assembly of backrest

1) Detach the storage box by referring to “1.
Removal and installation of storage box”.
2) Remove the backrest upholstery by referring to “2. Removal and installation of seat pad and backrest upholstery”.
3) Remove the armrests by referring to “4.
Removal and installation of armrests”. (If equipped)
4) Disassemble the backrest adjustment by referring to “6. Disassembly and assembly of backrest adjustment”.
5) Unscrew the hexagon nut (5) and remove the washers (6) and (7).
6) Remove the hexagon bolt (11) and the washer (10).
7) Press the backrest (1) slightly to the left and take it off upwards.
8) Remove the bearing (8) and the torsion spring (9) from the backrest (1).