Komatsu Galeo PC138US-8 Shop Manual page 278

SEN02553-01
Travel control function
1. Pump controller
2. Engine controller
3. Machine monitor
4. Fuel control dial
5. Fuel supply pump
6. Sensors
7. Pump oil pressure sensor
8. Oil pressure sensor
9. Travel alarm buzzer
10. Hydraulic pump
11. Control valve
11a. Pump merge-divider valve
11b. Self pressure reducing valve
11c. Travel junction valve
11d. Pump merge-divider valve
12. Travel motor
13. 2nd travel speed select solenoid valve
14. Travel junction solenoid valve
15. Pump merge-divider solenoid valve
20
10 Structure, function and maintenance standard
Input and output signals
a. Oil pressure sensor signal
b. CAN signal
c. Pump merge-divider solenoid valve drive sig-
nal
d. Travel junction solenoid valve drive signal
e. 2nd travel speed select solenoid valve drive
signal
f . Oil pressure sensor signal
g. Travel alarm buzzer operation signal
h. Throttle signal
i . Fuel supply pump control signal
j . Sensor signals
PC138US, USLC-8