TM 1-1520-238-23
3-81
3.22.
MAIN LANDING GEAR SHOCK STRUT CHECK VALVE REMOVAL/INSTALLATION – continued
3.22.3. Removal
a. Deflate shock strut assembly (1).
(1) Remove valve cap (2) from pneumatic valve
(3).
(2) Hold valve (3). Slowly turn nut (4) counter-
clockwise until resistance is felt, then loosen
1/2 to 3/4 turn to off seat valve (3). Allow high
pressure nitrogen to bleed off.
(3) Install cap (2) on valve (3).
b. Remove check valve (5) from strut (1).
(1) Remove tube cap (6) from valve (5).
(2) Remove lockwire from valve (5).
(3) Remove valve (5) from port (7).
(4) Remove and discard packing (8).
3.22.4. Cleaning
a. Clean removed and attaching parts (para
1.47).
3.22.5. Inspection
a. Check valve and port for damage. None al-
lowed.
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