(2)
Remove stop pins and lock springs from forward and aft edges of door.
(3)
Remove door seal (Ref 52-09-141, Diaphragm . Mechanical Seals).
500
Apr 01/97 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 52-41-0 Page 401
Galley Service Door Installation 500
52-41-0 Figure 401 (Sheet 1) Feb 15/69
Page 402
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
501 Galley Service Door Installation
May 01/98 Figure 401 (Sheet 2) 52-41-0
Page 403
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
3. Install Galley Service Door NOTE: Illustrations shown in this section are for aft galley service door and are typical for forward
galley service door.
A. Prior to door installation, apply organic corrosion inhibiting compound to door hinge areas, under scuff plates and lower 3 to 4 inches of door interior per instructions in 51-21-91.
B. Remove door safety barrier or warning strap, if installed.
C. Support door in position at door opening at approximately 90 degrees to airplane exterior.
NOTE: Until installation and adjustment of guide arm and snubber are complete, care should be taken not to allow excessive door movement which might strain hinge mechanism.
D. At lower hinge, connect snubber (18, Detail B, Fig. 401) to door by securing attach fitting (16) to hinge support (17) using four bolts.
E. Engage lower hinge arm (15) with hinge link (11) and install bolt (12), washer (13), and nut (14).
F. At upper hinge, connect guide arm (10, Detail A) to door by securing attach fitting (6) to hinge support (7) using four bolts.
G. Engage upper hinge arm (5) with hinge link (1) and install bolt (2), washer (3) and nut (4).
H. Remove support from door.
I. If a new door was installed on the airplane, install the following components on door.
(1)
Install upper and lower hinge arm covers with attachment bolts.
(2)
Install stop pins on forward and aft edges of door.
NOTE: Install stop pins with thin coating of MIL-C-16173, Grade 2, corrosion preventive compound on both internal and external surfaces of mating threads.
(3)
Install door seal (Ref 52-09-141, Diaphragm . Mechanical Seals).
J. Adjust and test door in accordance with adjustment/test procedures.
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GALLEY SERVICE DOOR - ADJUSTMENT/TEST
1. General
A. The procedures described and illustrated in this section are for the aft galley service door and are typical for the forward galley service door.
B. Paragraph 2 is the normal door installation adjustment procedure to be used when installing a new or overhauled door. Paragraph 3 is a special adjustment to be used to re-establish or verify proper overcenter of the door latch torque tubes if the door has been reported to have soft unlatching problems (door comes unlatched). If proper overcenter on the latch torque tubes has been lost, there may not be sufficient latching force to maintain the door in the latches condition.
2. Galley Service Door Adjustment
A. Equipment and Materials
(1) Bearing Retainer Nut Spanner Wrench - F70085, or equivalent
B. Prepare for Adjustment
(1)
Remove door lining and insulation panels. Refer to 52-41-31, Galley Service Door Lining and Insulation.
(2)
Remove screws attaching forward mechanism access panel (l, figure 501) to door structure and remove panel.
(3)
Attach 60-pound weight to inside door frame at approximate midpoint of lower half of door.
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