Air Brake Manual


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Checking

Pull the chamber push rod out to its limit by pulling on the slack adjuster arm or by prying with a short bar. If push rod travel is 3/4 in. (19 mm) or more, brakes MUST be adjusted.

Brake stroke limits for clamp-type brake chambers
Chamber Type (size)Stoke Limit (mm)Stoke Limit (in.) +/- 1/32 in.
6321 1/4
9351 3/8
12351 3/8
12 LS441 3/4
16441 3/4
16 LS512
20441 3/4
20 LS512
24441 3/4
24 LS512
30512
30 LS642 1/2
30 DD3572 1/4
36572 1/4

Note: measurement tolerance is =/- 1 mm

Disclaimer

Rev: 2018