Komatsu Galeo BR380JG-1E0 Shop Manual page 152

10 Structure, function and maintenance standard
1. Regulator piston
2. Spring
3. Regulator valve
4. Spring
5. Motor case
6. Suction-safety valve spring
7. Suction-safety valve
8. Check valve
BR380JG-1E0
9. Check valve spring
10. Output shaft
11. Rocker cam
12. Retainer guide
13. Pin
14. Piston
15. Retainer
16. Cylinder
SEN01353-00
17. Valve plate
18. Counterbalance valve
19. Ring
20. Spool return spring
21. Brake piston
22. Plate
23. Disc
24. Ball
9