TM 9-2330-384-14&P
4-40. BRAKE CHAMBER REPLACEMENT (Con't).
Position brake chamber (7) with
(3)
mounting studs (10) through
brake chamber bracket (6). In-
stall two washers (5) and new
locknuts (4). Torque locknuts to
130 lb.-ft. (176 Nm).
Install two clevis pins (2 and 3)
(4)
and two new cotter pins (1).
Measure distance from clevis pin
(5)
(3) to face of brake chamber (7).
Distance should be 7 5/8 in. (19.4
cm) 1/8 in. (0.3 cm).
(6)
If adjustment in distance is needed, back off jamnut (12) and turn adjusting nut (13) to adjust
length of brake chamber pushrod (11). Tighten jamnut.
(7)
Connect all air lines (9) to brake chamber (7) as tagged.
(8) Adjust brakes (see paragraph 4-34).
(9)
Couple semitrailer to tractor (see paragraph 2-12).
(10) Fully pressurize semitrailer air system (see TM 9-2320-273-10 or TM 9-2320-283-10).
(11) Apply a soap solution to check for leaks at brake chamber (7) and air lines (9).
FOLLOW-ON TASKS:
Uncage brake chamber spring (see paragraph 4-33).
l
Check operation of brake chamber.
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