TM 1-1520-238-23
2-227
2.67.
PILOT STATION ACCESS DOOR UPPER HINGE BUTT REMOVAL/INSTALLATION – continued
2.67.6. Alinement
CAUTION
To prevent damage to helicopter, door
cylinder assembly must be secured be-
fore positioning door.
a. Secure door cylinder assembly (6).
(1) Compress cylinder (6) and turn door handle
(7) to latched position to hold cylinder (6).
(2) Install lockwire through lower cylinder bearing
(8) and upper cylinder bracket (9). Use wire
(item 225, App F).
(3) Cover cylinder (6) and lockwire with tape to
prevent damage to helicopter. Use tape
(item 201, App F).
CAUTION
To prevent damage to rubber seal, avoid
pinching between door skin and airframe.
b. Position pilot door (10) in airframe (11).
(1) Install hinge pin (12) in undamaged hinge (1)
(if applicable).
(2) Press top of door (10) into airframe (11) to
obtain compression of rubber seal (13).
(3) While holding pressure at top of door, engage
door handle (7) latch.
(4) Position door (10) to float on seal (13) in
opening. Contact between door bumper (14)
and airframe bumper (15) is not acceptable.
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M04-3618-9
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ROTATED
7
14
15
10
M04-3618-4
13
12
1
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