Komatsu PC500LC-10R Shop Manual page 176

CLSS
3: Control valve
4: Spool
5: 2-stage relief valve
6: Unload valve
7: LS bypass valve
8: Main pump
9: Seavo piston
10-82
10 STRUCTURE AND FUNCTION
10: LS valve
11: PC valve
12: PC-EPC valve
13: LS-EPC valve
14: Controller
15: Self-pressure reducing valve
16: 2-stage relief solenoid valve
PC500LC-10R