Komatsu Galeo PC138US-8 Shop Manual page 264

SEN02553-01
Pump and engine mutual control 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. Pump oil pressure sensor
14. Oil pressure sensor
15. Oil pressure switch
16. Hydraulic pump
16a. Servo
16b. LS valve
16c. PC valve
17. Control valve
17a. Pump merge-divider valve
17b. Self pressure reducing valve
18. PC-EPC valve
6
10 Structure, function and maintenance standard
Input and output signals
a. Constant power supply
b. CAN signal
c. PC-EPC valve drive signal
d. Solenoid valve GND
e. Oil pressure sensor signal
f. Oil pressure switch signal
g. Throttle signal
h. Fuel supply pump control signal
i. Sensor signals
PC138US, USLC-8