ICA-D212-725 (52
)
Page 29 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
(17) at aft end of lower track on fuselage. Install
inside handle and latch guards, if not previously
accomplished.
52.3.1.4.5 Perform
operational check (paragraph
52.3.1.5).
52.3.1.5
Operational check and adjustment
MATERIALS REQUIRED
NUMBER NOMENCLATURE
C-405 Lockwire
52.3.1.5.1 Place door to full closed and latched
position. Verify upper edge of door is parallel to
top of cabin door frame.
52.3.1.5.2 Use adjusting screw (8, Figure 52-8)
to adjust so upper and lower cams (9) will bottom
simultaneously. Secure screws after adjustment
has been obtained using lockwire (C-405).
52.3.1.5.3 If door is out of alignment, loosen
screws attaching roller support and slider (or
roller) support on rear edge of door. Adjust slider
support (lowest of two supports on rear edge
parallel to door frame). Tighten slider support
screws.
52.3.1.5.4 Adjust roller support (upper of two on
rear edge) so roller is fully engaged in track.
Tighten attaching screws.
52.3.1.5.5 Operate door through full travel while
verifying all rollers on upper edge are fully
engaged in track at all positions. Adjust roller
supports as required.
52.3.1.5.6 With door fully closed and latched,
check that lower door track is engaged not less
than 0.25in. (6.35 mm) in cabin door channel
without restricting door travel through full range
from closed to open positions. Tighten door track
attaching screws after adjustment.
52.3.1.5.7 Adjust lock caution light switch
(Chapter 96).
52.3.2 Passenger/Cargo Door Latches
52.3.2.1 Removal
NOTE
The following instructions are for removing
upper door latch. Procedures for removing lower
door latch are the same.
Remove latch parts only to the extent necessary
to accomplish required repairs.
Repair of latch components is restricted to
replacement of unserviceable parts.
52.3.2.1.1 Unhook tension spring (6, Figure
52-8) from latch (1) and from hanger (2) on door.
52.3.2.1.2 Remove cotter pin, washer, and
guide pin from actuating arm (4) and door latch.
52.3.2.1.3 Remove cotter pin, washer, and
guide from door latch and door latch support (7).
52.3.2.1.4 Remove
latch.
52.3.2.2 Installation
NOTE
The following instructions are for installing the
upper door latch. Procedure for installing the
lower door latch is the same.
52.3.2.2.1 Insert door latch (1, Figure 52-8) in
door latch support (7).
52.3.2.2.2 Align door latch to door latch
support and insert guide pin. Secure guide pin
with washer and cotter pin.
52.3.2.2.3 Align actuating arm (4) to door latch
and insert guide pin. Guide pin with washer and
cotter pin.
52.3.2.2.4 Connect tension spring (6) to door
latch and to hanger (2) on door structure.
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