TM 55-2210-224-34
4-12. INDEPENDENT BRAKE VALVE (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
17. Check that springs have not rusted or distorted or have taken a permanent set. Replace damaged springs.
18. Inspect roller (32) and roller pin (31) for flat spots. Replace damaged parts.
19. Inspect handle retaining pin assembly (23) for a broken spring or flat spot on end of pin. Replace damaged parts.
20. Check that roller contact surface on cam (5) and cam contact surface on roller (32) are clean and dry to maintain
rolling friction between the two surfaces.
21. Use pneumatic grease and lubricate O-rings, O-ri
ng grooves in spool valves, and bushings into which spool valves
enter. Use a clean wiping rag and remove excess lubricant.
ASSEMBLY
WARNING
Valve assemblies are under a spring load. Use caution during assembly procedures
so that no parts fly out, causing injury to personnel.
22. Install brake valve push pin (33) in cam (5).
23. Install roller (32) and roller pin (31) in cam dog (29) and secure with two cotter pins (30).
24. Install cam (5) and cam dog (29) in valve body (20) and secure with cam dog pin (28).
25. Install two O-rings (27) and O-ring (25) on quick-release valve (26).
26. Install handle retaining pin assembly (23), spring seat (22), and retainer ring (21) in quick-release valve body (3).
27. Install gasket (4) on valve body (20).
28. Install quick-release valve (26) and quick-release spring (24) on quick-release valve body (3).
29. Install quick-release valve body (3) on valve body (20) and secure with three screws (2).
30. Install two O-rings (19) on inlet-exhaust valve (18).
31. Install inlet-exhaust valve (18) in quick-release valve body (3).
32. Install exhaust valve spring (17) over ball end of inlet-exhaust valve (18).
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