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Page Title:
PARKING BRAKE(S) ON ONE AXLE DO NOT APPLY OR APPLY SLOWLY. (Cont) |
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 TM 9-2330-385-14
NOTE
This test covers left rear brake chamber,
S
but it can be used to test operation of all
trailer brake chambers.
Some resistance will be felt from spring
S
when pulling chamber rod out of
brake chamber.
BRAKE CHAMBER TEST
(1) Drain air from trailer air system
(2) Cage brake chamber (Para 2-16).
(3) Remove two cotter pins, pins and
rod clevis from slack adjuster.
Discard cotter pins.
(4) Rotate slack adjuster away
from clevis.
(5) Uncage brake chamber.
(6) Pull brake chamber rod out of
chamber by hand.
(a) If rod does not move smoothly
out of chamber by hand, replace
brake chamber (Para 4-37).
(b) If rod moves smoothly out of
chamber by hand, brake
chamber is OK.
(7) Cage brake chamber.
(8) Rotate slack adjuster to clevis.
(9) Install rod clevis, two pins, and
cotter pins on slack adjuster.
(10) Uncage brake chamber.
VISUAL INSPECTION
(1) Inspect slack adjusters for damage.
(a) If slack adjuster is damaged,
replace slack adjuster (Para 4-36).
(b) If slack adjuster is not
damaged, slack adjuster is OK.
(2) Adjust brake(s) (Para 4-34).
4-269
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