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TM 9-2320-364-20-2
2-1807
(1) Remove six screws, locknuts and
glove box. Discard locknuts.
(2) Disconnect air line 2489 from cab
air manifold.
(3) Connect 0 to 160 psi (0 to 1103 kPa)
gage to air line 2489.
(4) Apply service brakes
(TM 9-2320-364-10).
(a) If there are not 125 4 psi
(861 28 kPa) present at air line
2489, perform Steps (5) and (6)
below and replace brake treadle
valve (Para 12-4).
(b) If there are 125 4 psi
(861 28 kPa) present at air line
2489, brake treadle valve is OK.
(5) Release service brakes.
(6) Remove gage and connect air line
2489 to cab air manifold.
(7) Install glove box, six screws and
locknuts.
BRAKE TREADLE VALVE 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.
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