Komatsu PC88MR-10 Shop Manual page 133

10 Structure and function
Main pump
PMI: PC mode selector pressure pickup port
PPLS: LS pump pressure input port
T: Drain port
1. Lever
2. Spool
3. Plug
4. Seat
5. Piston
6. Sleeve
7. PC valve
8. LS valve
9. Plug
10. Lock nut
11. Spring
12. PC-EPC valve
13. Spool
14. Ball
15. Plug
16. PC mode selector current connector
PC88MR-10 10-55