Komatsu Galeo PC800-8 Shop Manual page 193

10 Structure, function and maintenance standard
3. Rear cover
4. Collar
5. Valve plate
6. Cylinder block assembly
7. Piston assembly
8. Holder
9. Retainer
PC800, 850-8
10. Piston assembly
11. Case
12. Shaft
13. Bearing collar
14. Rocker cam
15. Preload spring
16. Disc
SEN00384-02
17. Plate
18. Brake piston
19. Spring
31