One-Touch Power Maximizing System - Komatsu PC500LC-10R Shop Manual

10 STRUCTURE AND FUNCTION

ONE-TOUCH POWER MAXIMIZING SYSTEM

ONE-TOUCH POWER MAXIMIZING 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: 2-stage relief solenoid valve 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
8: Engine controller
9: Machine monitor
10: Pump drive secondary switch
11: Fuel control dial
12: Fuel supply pump
13: Various sensors
14: One-touch power maximizing switch
15: Front pump oil pressure sensor
16: Rear pump oil pressure sensor
PC500LC-10R
ONE-TOUCH POWER MAXIMIZING SYSTEM
f: Pump oil pressure sensor signal
g: One-touch power maximizing switch signal
h: 1st throttle signal
i: Fuel supply pump control signal
j: Various sensor signals
17: Front pump
17a: Servo
17b: LS valve
17c: PC valve
18: Rear pump
18a: Servo
18b: LS valve
18c: PC valve
19: Control valve
19a: Self-pressure reducing valve
19b: Merge-divider valve
19c: Travel junction valve
19d: Main relief valve
20: Front pump PC-EPC valve
21: Rear pump PC-EPC valve
22: 2-stage relief solenoid valve
10-195