STRUCTURE, FUNCTION, & MAINTENANCE STANDARD TRAVEL MOTOR 12 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 9. Check valve spring 10. Output shaft 11. Rocker cam 12. Retainer guide 13. Pin 14. Piston 15. Retainer 16. Cylinder 17. Valve plate 18. Counterbalance valve 19. Ring 20. Spool return spring 21. Brake piston 22. Plate 23. Disc 24. Ball 10-102 PC210/240-7K