4-40. BRAKE CHAMBER REPLACEMENT (Con't).
Roadside brake chamber (7) has three air lines. Curbside brake chamber
has two air lines.
Tag and disconnect all air lines (9) from brake chamber (7).
Measure threaded length of pushrod (11) and record measurement. Remove two cotter pins
(1) and clevis pins (2 and 3). Discard cotter pins.
Remove two locknuts (4) and washers (5) from two mounting studs (IO). Remove brake
chamber (7). Discard locknuts.
Remove fittings (8) from brake chamber (7) and retain.
If replacing brake chamber (7), remove clevis (14) and jamnut (12) from pushrod (11) and
(1) Install fittings (8) to brake chamber (7).
Clevis (14) furnished with replacement brake chamber (7) will not fit M1062
slack adjuster (15). It should be discarded and clevis which comes with the
slack adjuster used instead.
If a new brake chamber (7) is being installed, remove clevis (14) and jamnut (12) from
pushrod (11) and discard. Install clevis and jamnut retained from original brake chamber.
Ensure that threaded length of pushrod is the same as when removed.