Komatsu PC20R-8 Shop Manual page 85

8. Servocontrol reducing valve
FUNCTION
. This valve set servocontrol pressure to 29.5 bar (30 kg/cm
P
C2
OPERATION
. The discharge pressure from the gear pump enter-
ing chamber A acts on the bottom of valve (1).
The gear pump discharge pressure is set to 29.5 bar
2
(30 kg/cm ).
PC20R-8 PC27R-8
To servocontrol
solenoid valve
1 2
2
).
A
T
S
Gear pump
RKP00641
10-67