Table 12-1. Air Line Numbers
Axle No. 1
Axle No. 2
Perform Step (c) only if fittings are damaged or new air chamber is being installed.
Remove two fittings (2) and (4) from front air chamber (5).
Ensure brake drum is not pulled back more than approximately two inches (5 cm).
Failure to comply may result in injury or death to personnel.
Pull brake drum (6) back approximately two inches (5 cm).
Using spanner wrench, loosen collet nut (7) by turning from bottom.
Remove air chamber (5) from brake assembly (8).
Remove wedge assembly (9) from brake assembly (8).
Perform Step (h) only if collet nut is damaged.
Remove collet nut (7) from air chamber (5).