Rear Air Brake Chamber Replacement.
Tag and mark air lines before removal.
Refer to Table 25-1 for air line numbers.
Note position of air brake chamber prior to removal.
Axle No. 2 air chambers are removed the same way. Axle No. 1 is shown.
Remove air lines (1), (2) and (3) from elbow (4) and tee (5).
Using spanner wrench, loosen collet nut (6) on air brake chamber (7).
Perform Step (c) only if elbow and tee are damaged or new air brake chamber is being
Remove elbow (4) and tee (5) from air brake chamber (7).
Remove air brake chamber (7) from brake assembly (8).
Remove wedge assembly (9) from brake assembly (8).
Perform Step (f) only if collet nut is damaged.
Remove collet nut (6) from air brake chamber (7).