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TM 9-2320-364-20-2
2-1821
Wear safety goggles when performing leakage tests on valves. Failure to do so may result in serious eye
injury due to high pressure air.
(1) Check air lines 2011, 2668, 2639,
2545, 2874, 2546 and 2547 for
crimps (see schematic Fig 2-45).
(a) If there are crimps in air lines,
replace air lines (Para 12-36).
(b) If there are no crimps in air
lines, perform Steps (2) and (3)
below.
(2) Apply service brakes
(TM 9-2320-364-10).
(3) Check fittings and air lines 2011,
2668, 2639, 2545, 2874, 2546, and
2547 for leaks.
(a) If there are leaks at fittings,
perform Step (6) below and
tighten/replace fittings
(Para 12-36).
(b) If there are leaks in air lines
perform Step (6) below and
replace air lines (Para 12-36).
(c) If there are no leaks, air lines and
fittings are OK. Perform Step (4)
below.
(4) Check service relay valve No. 2
for leaks.
(a) If valve leaks, perform
Step (6) below and replace valve
(Para 12-14).
(b) If there are no leaks,
perform Step (5) below.
(5) Check air chambers for leaks.
(a) If air chamber leaks,
perform Step (6) below
and replace air chamber
(Para 12-10).
(b) If there are no leaks,
perform Step (6) below.
(6) Release service brakes.
VISUAL/AUDIBLE INSPECTION
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