Engine Automatic Warm-Up System - Komatsu PC500LC-10R Shop Manual

ENGINE AUTOMATIC WARM-UP SYSTEM

ENGINE AUTOMATIC WARM-UP SYSTEM
ENGINE AUTOMATIC WARM-UP 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
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: Air conditioner unit
11: Pump drive secondary switch
12: Fuel control dial
13: Fuel supply pump
14: Various sensors
15: Hydraulic oil temperature sensor
10-22
10 STRUCTURE AND FUNCTION
e: Hydraulic oil temperature signal
f: 1st throttle signal
g: Fuel supply pump control signal
h: Various sensor signals
16: Front pump
16a: Servo
16b: LS valve
16c: PC valve
17: Rear pump
17a: Servo
17b: LS valve
17c: PC valve
18: Control valve
18a: Self-pressure reducing valve
18b: Merge-divider valve
18c: Travel junction valve
19: Front pump PC-EPC valve
20: Rear pump PC-EPC valve
PC500LC-10R