Hydraulic System - Komatsu PC20R-8 Shop Manual

HYDRAULIC SYSTEM

PC20R-8
2
1
PC20R-8 PC27R-8
5
4
3
15
14
6
7
11
12
13
1. Bucket cylinder
2. Arm cylinder
3. Boom swing cylinder
4. Control valve
5. R.H. PPC valve
8
6. Hydraulic tank
7. Hydraulic oil cooler
8. L.H. PPC valve
9. Hydraulic pump
10. Final drive
11. Servocontrol feed unit
12. Swivel joint
9
13. Blade cylinder
14. Swing motor
15. Boom cylinder
10
RKP03650
10-13