Komatsu PC500LC-10R Shop Manual page 169

10 STRUCTURE AND FUNCTION
18: Boom LOWER sensor
19: Swing RIGHT sensor
20: Arm IN sensor
21: Bucket DUMP sensor
1: Machine monitor
2: Fuel control dial
PC500LC-10R
LAYOUT DRAWING OF HYDRAULIC SYSTEM
22: Boom RAISE sensor
23: Swing LEFT sensor
24: Arm OUT sensor
3: Pump controller
4: Resistor for PC-EPC valve
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