Servocontrol Solenoid Group; Removal; Installation - Komatsu PC20R-8 Shop Manual

REMOVAL AND INSTALLATION
REMOVAL OF THE SERVOCONTROL SOLENOID GROUP
Lower the working equipment until it is resting on the
ground, and stop the engine.
Release all residual pressures from all circuits and
from the tank. (For details, see «20. CONTROLS
AND ADJUSTMENTS»).
1 - Remove the L.H. side lower panels (1).
(For details, see «REMOVAL OF THE SIDE LOWER
PANELS»).
2 - Disconnect the connector (2).
H Mark the connectors to avoid exchanging them
during re-assembly.
3 - Disconnect in sequence:
- the travel increment control pipe (3);
- the union (4);
- the solenoid valve pipe (5);
- the union (6).
H Plug the tubes to prevent entry of impurities.
4 - Take out the screws (7) and remove the solenoid
group (8) complete with accumulator.
INSTALLATION OF THE

SERVOCONTROL SOLENOID GROUP

To install, reverse the removal procedure.
.
30-38
SERVOCONTROL SOLENOID GROUP
1
4
3
7
6
2
5
8
2
RKPA2853
RKPB5570
PC20R-8 PC27R-8