TM 55-2210-224-34
4-11. AUTOMATIC BRAKE VALVE (cont)
DISASSEMBLY (cont)
24. Disassemble cutoff valve assembly (55) by removing O-ring (56), retaining ring (57), retainer
(58), seal (59), housing
(60), O-ring (61), spring (62), and O-ring (63) from cutoff valve cage (64).
25. Remove four nuts (65) and regulating valve spring housing (66).
26. Remove spring seat (67) and adjusting spring (68).
27. Remove exhaust valve assembly (69).
28. Disassemble exhaust valve assembly (69) by removing exhaust valve spring seat (70), spring (71), follower (72),
diaphragm (73), spring seat (74), and exhaust valve seat (75).
29. Remove inlet valve (76) and spring (77). Remove regulating valve inlet valve (78). Remove two O-rings (79) from
regulating valve inlet valve.
30. Remove retaining ring (80) from bushing in brake valve body (23).
31. Insert a 10-24 machine screw into equalizer reservoir cutoff valve piston (81) and remove equalizer reservoir cutoff
valve piston from brake valve body (23).
32. Remove O-ring (82) from equalizer reservoir cutoff valve piston (81).
33. Remove cutoff valve seat (83), check valve (84), and spring (85). Remove two O-rings (86) from cutoff valve
seat.
34. Remove six nuts (87), valve cover (88), and gasket (89). NOTE Use elongated slot to remove diaphragm.
35. Remove three retaining screws (90), three nuts (91), upper follower (92), diaphragm (93), and lower follower (94).
36. Remove retaining ring (95), exhaust valve assembly (96), diaphragm stem (97), and spring (98).
37. Disassemble exhaust valve assembly (96) by removing O-ring (99), retaining ring (100), retainer (101), valve seal
(102), housing (103), O-ring (104), and spring (105) fromexhaust valve cage (106).
38. Remove retaining ring (107).
39. Remove supply valve assembly (108).
40. Disassemble supply valve assembly (108) by removing O-ring (109), retaining ring (110), retainer (111), seal (112),
housing (113), O-ring (114), and spring cage (115) from supply valve cage (116).
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