Komatsu Galeo PC138US-8 Shop Manual page 272

SEN02553-01
Engine automatic warm-up function
1. Battery
2. Battery relay
3. Fusible link
4. Fuse box
5. Resistor
6. Pump controller
7. Engine controller
8. Machine monitor
9. Emergency pump drive switch
10. Fuel control dial
11. Fuel supply pump
12. Sensors
13. Hydraulic oil temperature sensor
14. Hydraulic pump
14a. Servo
14b. LS valve
14c. PC valve
15. Control valve
15a. Pump merge-divider valve
15b. Self pressure reducing valve
16. PC-EPC valve
14
10 Structure, function and maintenance standard
Input and output signals
a. CAN signal
b. PC-EPC valve drive signal
c. Solenoid valve GND
d. Hydraulic oil temperature signal
e. Throttle signal
f . Fuel supply pump control signal
g. Sensor signals
PC138US, USLC-8