Forward Entry Door Lining and Insulation Installation 532
52-11-31 Figure 401 (Sheet 3) Oct 20/83
Page 404
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
C. Install lower panel (6) on door (3).
(1)
Position lower panel (6) on door (3) then insert lower edge of panel under trim strip (4).
(2)
Engage and tighten panel fastener studs (12, detail A) on forward and aft edges of panel (6).
(3)
Install attach nuts (7) at forward and aft corners of lower edge of panel (6). Tighten remaining nuts along bottom edge of panel.
(4)
Install assist handle (5, detail C).
(a)
Install door assist handle nuts (20) with outer collar (19) and inner collar (21), washers and bolts (22).
(b)
Engage threads on assist handle with threads in nuts and install assist handle by rotating nuts using wrench (23).
(5)
Secure lower panel (6, detail B) to lining retainer (13) with four screws (15).
(6)
Install door interior handle (9).
(a)
With door in cocked position, install shims (14), interior handle (9), insert support, washers and three bolts (16). Lockwire bolts.
(b)
Check that gap between edge of circular portion of handle (9) and lower panel (6) is
0.15 (+0.00/-0.003) inch. If necessary, add or delaminate outboard shim (14) to obtain this dimension.
NOTE: Alter bolt grip length or add washer under bolt head as required for shimming variations.
(c) Install insert (17) in center of handle.
D. Install escape slide assembly (8) on door (3) (Ref Chapter 25, Escape Slide Assembly (Door-Mounted).
E. Install upper panel (1) on door (3).
(1)
Position upper panel (1) on door (3) then insert lower edge of panel under trim strip (4).
(2)
Secure upper panel (1) to door (3). Engage and tighten panel fastener studs (11, detail A) on forward and aft edges of panel.
(3)
Install attach nuts (2) at upper edge of panel (1). Tighten remaining nuts along top edge of panel and close door.
532
Oct 20/83 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 52-11-31 Page 405
FORWARD ENTRY DOOR ASSIST SPRING - REMOVAL/INSTALLATION
1. General
A. The following procedure is applicable to the removal/installation of the center assist spring without the removal/installation of the door. The same procedure is required for the removal/installation of either the upper or lower torsion springs installed on each end of the torque tube.
2. Equipment and Materials
A. Wood block of suitable dimensions to support door weight of 180 pounds.
B. Grease - MIL-G-21164 (Ref 20-30-21)
C. Grease - MIL-G-23827 (Ref 20-30-21)
D. Corrosion Preventive Compound - MIL-C-16173 (Ref 20-30-21)
3. Prepare for Removal
A. Remove evacuation slide (5, Fig. 401) from door (Ref 52-11-31).
B. Remove interior lining (3) between upper hinge arm (l) and lower hinge arm (4) (Ref Chapter 25, Doorway Sidewall Linings).
C. Remove cover (2) between upper and lower hinge arms.
D. Rotate door to a balanced position where upper and lower torsion springs (10, detail A) and center assist torsion spring (16) are not loaded, which is approximately 60 degrees from "door stowed" open position.
E. Place wood block support under the door, or provide other suitable support.
CAUTION: UNLESS DOOR SUPPORT IS USED, ON REMOVAL OF TORQUE TUBE, DOOR WILL BE SUPPORTED ONLY BY UPPER SPIGOT. DOOR WEIGHS APPROXIMATELY 160 POUNDS AND SHOULD BE SUPPORTED UNTIL LOWER SPIGOT IS INSTALLED.
4. Remove Forward Entry Door Assist Spring (Fig. 401)
A. Remove upper, center and lower spring mounting bolts (10, detail A) from torque tube assembly.
NOTE: Torque tube assembly consists of upper torque tube (17), lower torque (11) and lower torque extension tube (12). Torque tubes are bolted to each other by spring mounting bolts.
B. Slide torque tube assembly together to clear ends from upper spigot (5) and lower spigot (13).
NOTE: For reference on installation, mark end of upper torque tube (17) to upper spigot (5), and end of lower torque extension tube (12) to lower spigot (13) to index relative position of parts.
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