TM 55-2210-223-34
TO 45A2-2-14-22
4-11.
AUTOMATIC BRAKE VALVE (cont)
ASSEMBLY (cont)
53.
Install diaphragm stem (101) in exhaust valve assembly (100). Install spring (102) on diaphragm stem.
54.
Install spring (102), diaphragm stem (101), and exhaust valve assembly (100) in brake valve body (23) and secure
with retaining ring (99).
55.
Assemble lower follower (98), diaphragm (97), and upper follower (96) and secure with three nuts (95) and three
retaining bolts (94). Install into brake valve body (23). Check that ball socket joint of diaphragm stem (101) is in
elongated slot of upper follower.
56.
Install gasket (93) and relay valve cover (92) and secure with six nuts (91).
57.
Install two O-rings (90) on cutoff valve seat (87).
58.
Place a small amount of grease on end of spring (89) and install spring in brake valve body (23).
59.
Install check valve (88) in cutoff valve seat (87) and install cutoff valve seat in brake valve body (23). Check that
spring (89) is in place.
60.
Install O-ring (86) on equalizer reservoir cutoff valve piston (85) and install equalizer reservoir cutoff valve piston
in cutoff valve seat (87).
61.
Place two strainers (84) in pipe bracket (82).
62.
Install gasket (83) and pipe bracket (82) on brake valve body (23) and secure with four bolts (81).
63.
Install retaining ring (80) in bushing of brake valve body (23).
64.
Install two O-rings (79) on regulating valve inlet valve (78).
65.
Install regulating valve inlet valve (78), spring (77), and inlet valve (76) in brake valve body (23).
66.
Assemble exhaust valve assembly (69) by the following:
(a) Install spring seat (74) and spring (71) in exhaust valve seat (75).
(b) Install diaphragm (73) and follower (72) on exhaust valve seat (75) and secure with exhaust valve spring seat
(70). Tighten exhaust valve spring seat to 40 ±5 lb-ft (54 ±7 N.m).
67.
Install exhaust valve assembly (69), spring seat (67), and adjusting spring (68) into regulating valve spring housing
(66) and secure to brake valve body (23) with four nuts (65).
4-43