Komatsu Galeo PC138US-8 User Manual

SEN02712-00 50 Disassembly and assembly
8 PC138US, USLC-8
Disassembly and assembly of recoil spring 1
Special tools
Disassembly
1. Remove lock plate (1), then remove seat (2)
and valve (3).
a Do not remove grease fitting (17) from the
valve (3).
2. Remove yoke piston assembly (5) from recoil
spring assembly (4).
3. Disassembly of recoil spring assembly (4)
1) Set recoil spring assembly (4) to tool L2.
k The recoil spring is under large
installed load, so be sure to set the
tool properly. Failure to do this is
dangerous.
a Installed load of spring:
84,300 N {8,600 kg}
Sym-
bol
Part No. Part name
Necessity Q'ty New/Remodel
L2
791-600-2001
or
791-685-8006
Compressor (A)
Compressor (B)
t
1
1
791-635-3160 Extension t 1
790-201-2770
•Spacer
t 1
790-101-1600
Cylinder
(686 kN {70 ton})
t 1
790-101-1102 Pump t 1

Komatsu Galeo PC138US-8 Specifications

General

Brand	Komatsu
Model	Galeo PC138US-8
Category	Excavators
Language	English