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TM 9-2320-364-20-2
2-1865
OPERATION TEST
Wear safety goggles when performing leakage
tests on valves. Failure to do so may
result in serious eye injury due to high
pressure air.
Listen to air chamber while
assistant applies service brakes
(TM 9-2320-364-10).
(1) If assistant cannot hear air
chamber operate when service
brakes are applied, replace air
chamber (Para 12-9).
(2) If air chamber operates
correctly, air chamber is OK.
VISUAL INSPECTION
(1) Apply service brakes
(TM 9-2320-364-10).
(2) Measure gap between brake shoe and
drum (Para 12-2).
(a) If there is no gap, perform Steps
(3) through (6) below.
(b) If there is a gap, adjust brakes
(Para 12-2).
(3) Release service brake.
(4) Remove brake drum and air
chamber (Para 13-3 and 12-9).
(5) Inspect brake shoes and wedges
(Para 12-2).
(a) If brake shoes and/or wedges are
faulty, replace brake shoe and/or
wedges (Para 12-2).
(b) If shoes and wedges are OK,
notify DS Maintenance.
(6) Install brake drum and air chamber
(Para 13-3 and 12-9).
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