Pump And Valve Control System; Pump And Valve Control System Diagram - Komatsu PC500LC-10R Shop Manual

PUMP AND VALVE CONTROL SYSTEM

PUMP AND VALVE CONTROL SYSTEM

PUMP AND VALVE CONTROL SYSTEM DIAGRAM

a: Front pump PC-EPC valve drive signal
b: Rear pump PC-EPC valve drive signal
c: Solenoid valve GND
d: CAN signal
e: LS-EPC valve drive signal
f: Merge-divider EPC valve (main spool) drive signal
g: Merge-divider EPC valve (LS spool) drive signal
1: Battery disconnect switch
2: Battery
3: Battery relay
4: Fusible link
5: Fuse box
6: Resistor for PC-EPC valve
7: Pump controller
10-102
10 STRUCTURE AND FUNCTION
h: Travel junction solenoid valve drive signal
i: 2-stage relief solenoid valve drive signal
j: Variable back pressure solenoid valve drive signal
k: 1st throttle signal
l: Fuel supply pump control signal
m: Various sensor signals
8: Engine controller
9: Machine monitor
10: Pump secondary drive switch
11: Fuel control dial
12: Fuel supply pump
13: Various sensors
14: Front pump
PC500LC-10R