ICA-D212-725 (52
)
Page 15 of 54
CHAPTER 52 – DOORS AND WINDOWS (52-00-00)
COPYRIGHT
2007 BY DART AEROSPACE LTD.
THIS DOCUMENT IS PRIVATE AND CONFIDENTIAL AND IS SUPPLIED ON THE EXPRESS CONDITION THAT IT IS NOT TO BE USED FOR ANY PURPOSE OR COPIED OR COMMUNICATED TO
ANY OTHER PERSON WITHOUT WRITTEN PERMISSION FROM DART AEROSPACE LTD.
Revision:
4
Date: 11.06.01
52.2 CREW
DOORS.
52.2.1
Crew Doors – Description and
Maintenance
Two crew doors (Figure 52-1) are hinged on the
forward side and are equipped with a latch
assembly, which may be operated from either side
of door, to secure door in closed position. Each
door incorporates three transparent acrylic
windows; forward, upper and lower (adjustable)
windows. In an emergency, doors may be
jettisoned by pulling the EMERGENCY RELEASE
handle mounted inside cabin forward of each door.
52.2.1.1
Removal
Open door. Support door while pulling
EMERGENCY RELEASE handle to retract hinge
pins. Lift off door.
52.2.1.2
Disassembly
NOTE
Disassemble door only to the extent necessary to
effect repairs. For maintenance of crew door
windows, refer to paragraph 52.7.4. Disassemble
latch as follows:
52.2.1.2.1 Disconnect rod (9, Figure 52-4) from
latch arm by removing cotter pin and pin (16).
52.2.1.2.2 Remove access door (29) and plug
button from inner face of door.
52.2.1.2.3 Disconnect rod (21) from bellcrank
(20) by removing cotter pin and pin (22). Unscrew
aft end of rod from rod end on latch assembly
(13). Remove rod through aft side of door.
52.2.1.2.4 Remove screws (17) to detach latch
plate from inner face of door. Hold latch shaft
(15) while sliding latch assembly (13) off inboard
end.
52.2.1.2.5 Remove outer handle assembly (14)
by removing screws attaching escutcheon to
door and pulling handle off end of latch shaft
(15).
52.2.1.2.6 Disconnect rod (25) from bellcrank
(20) by detaching spring (23) and removing pin
(24). Remove plug button from inner face of
door and remove bolt (19) with nut and washers
to detach bellcrank from support.
52.2.1.2.7 To remove either latch rod (9 or 25),
remove spring pin (8), unscrew roller assembly
(2), and remove rod downward through door.
52.2.1.2.8 To remove latch striker from
doorpost, disconnect ejection cable (19, Figure
52-5) from striker (1) by removing cotter pin and
pin (3). Detach spring (2). Remove bolt with nut
and washers, and pull striker out through
backing plates.
52.2.1.2.9 Detach upper forward striker (1,
Figure 52-4) from longeron by removing three
screws. On upper aft striker (7) remove two
screws from slotted holes, and use access hole
on upper side of longeron to remove nut and
washer from countersunk screw to detach striker
and backing plates (5 and 6).
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