ICA-D212-725 (52
)
Page 22 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
and 13) for excessive wear to the striker blocks.
52.2.3.2.6
Replace the spring assemblies (11
or 13) if the rivets of the striker blocks are visible.
52.2.3.3
Crew Door Hinges - Installation
MATERIALS REQUIRED
NUMBER NOMENCLATURE
C-305 Aliphatic
Naphtha
C-308 Sealant
NOTE
This procedure is applicable to the upper and
lower hinge half assemblies. Procedure for the
upper hinge half assembly is given, differences for
the lower hinge half assembly are identified.
New hinge half assemblies can be supplied
without the three mounting holes.
52.2.3.3.1 Install upper fixed hinge half
assembly (1, Figure 52-6) and upper movable
hinge half assembly (2) with shims (17), screws
(5), nuts (7) and washers (6).
52.2.3.3.2
Temporarily install the crew door to
make sure the fit is correct.
52.2.3.3.3 Remove
crew
door.
52.2.3.3.4
If necessary, adjust the thickness of
the shims (17) to get the correct fit.
52.2.3.3.5
Apply sealant (C-308) around the
edge of the upper fixed hinge half assembly (1)
and the upper movable hinge half assembly (2).
52.2.3.3.6 Clean
the
excess sealant with
aliphatic naphtha (C-305).
52.2.3.3.7
Install the crew door.
52.2.3.4
Crew Door Hinges - Repair
MATERIALS REQUIRED
NUMBER NOMENCLATURE
C-204
Epoxy Polyamide Primer
C-321 Adhesive
52.2.3.4.1 Replace
the bushings (14 and 15,
Figure 52-6) as follows:
52.2.3.4.1.1 Hold the legs that contains the
bushing (14 or 15) and push them out.
52.2.3.4.1.2 Make sure that the holes are free
of damage.
52.2.3.4.1.3 Measure the holes and make sure
that the diameters are from 0.312 to 0.313 inch
(7.925 to 7.950 mm).
NOTE
Make sure that the flanges of the bushings are
in the hinge assembly slot.
52.2.3.4.1.4 Apply epoxy polyamide primer (C-
204) to the holes.
52.2.3.4.1.5 Hold the legs of the fixed hinge
half assemblies (1 and 3) and push the new
bushings (15) into position.
NOTE
Install the bushings to be flush with the inner
face of the fixed hinge half assemblies.
52.2.3.4.1.6 Apply epoxy polyamide primer (C-
204) to the holes.
52.2.3.4.1.7 Hold the legs of the fixed hinge
half assemblies (1 and 3) and push the new
bushings (14) into position.
52.2.3.4.1.8 Ream bushings (14) to have a
diameter from 0.180 to 0.1885 inch (4.775 to
4.788 mm)
52.2.3.4.2
Replace bushings (16) as follows:
52.2.3.4.2.1 Hold the legs that contain the
bushings (16) and push them out.
52.2.3.4.2.2 Make sure that the holes are free
of damage.
52.2.3.4.2.3 Measure the holes and make sure
that the diameters are from 0.312 to 0.313 inch
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