TM 55-2210-224-34
4-11. AUTOMATIC BRAKE VALVE (cont)
ASSEMBLY (cont)
54. Install diaphragm stem (97) in exhaust valve assembly (96). Install spring (98) on diaphragm stem.
55. Install spring (98), diaphragm stem (97), and exhaust valve assembly (96) in brake valve body (23) and secure with
retaining ring (95).
56. Assemble lower follower (94), diaphragm (93), and upper follower (92) and secure with three nuts (91) and retaining
screws (90). Install in brake valve body (23). Check that ball socket joint of diaphragm stem (97) is in slot of upper
follower.
57. Install gasket (89) and valve cover (88) and secure with six nuts (87).
58. Install two O-rings (86) on cutoff valve seat (83).
59. Place a small amount of grease on end of spring (85) and install spring in brake valve body (23).
60. Install check valve (84) in cutoff valve seat (83) and install cutoff valve seat in brake valve body (23). Check that
spring (85) is in place.
61. Install O-ring (
82) on equalizer reservoir cutoff valve piston (81) and install equalizer reservoir cutoff valve piston in
cutoff valve seat (83).
62. Install retaining ring (80) in bushing of brake valve body (23).
63. Install two O-rings (79) on regulating valve inlet valve (78).
64. Install regulating valve inlet valve (78), spring (77), and inlet valve (76) in brake valve body (23).
65. 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 37.5 +2.5 lb-ft (54 +7 N.m).
66. Install exhaust valve assembly (69), adjusting spring (68), and spring seat (67) into regulating valve spring housing
(66) and secure to brake valve body (23) with four nuts (65).
67. Assemble cutoff valve assembly (55) by the following:
a.
Install seal (59) in housing (60) and secure with retainer (58).
b.
Install O-ring (61) on housing (60).
4-45
