500  Aft Entry Door and Airstair Exterior Control Installation 
Feb 15/69  Figure 401 (Sheet 2)  52-14-121 
Page 403 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

4.  Install Exterior Control
A.  Enter lower cargo compartment and place upper end of control cable through access hole in floor below inboard end of control console.
B.  Slide cable up through access hole in control console until lower end of control cable can be inserted into exterior control handle housing. Position spacer at aft end of housing before inserting control. (See figure 401.)
C.  Force terminal end of control cable out of exterior control handle housing and connect terminal to handle. Install cotter pin in bolt.
CAUTION:  DO NOT FORCE CABLE MORE THAN NECESSARY TO INSTALL BOLT OR CABLE HOUSING MAY BE DAMAGED.
D.  Apply pressure sealant to each side of spacer at aft end of housing.
E.  Install bolts attaching control cable and spacer to control handle housing. Install radius filler retained during removal on lower bolt.
F.  Install bolts attaching control cable to structure below control console.
G.  Install clamp securing control cable to structure, if provided.
H.  Install pivot pin through exterior handle and housing and install pivot pin retainer.
I.  Connect telescopic unit of control to crank in control console. Install cotter pin in bolt.
NOTE:  Check that preload on exterior handle is 36 to 72 pound-inches when handles are in the door latched position. Adjust telescopic unit as required.
5.  Restore Airplane to Normal
A.  Install access panels in lower cargo compartment.
B.  Install aft airstair control console shroud.
C.  Test aft airstair. Refer to 52-14-0, Adjustment/Test.
52-14-121 May 15/68 Page 404
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

AFT ENTRY DOOR LINING - REMOVAL/INSTALLATION

EFFECTIVITY
Airplanes With Aft Airstair
1. General
A.  The aft entry door lining is readily replaced when no damage has occurred to the door or lining supports. Therefore, before replacing lining, check that no damage has occurred to the lining supports or the replaced lining may become damaged due to improper alignment with the doorway. Center door panel can be removed without removing side and top panels after door is removed.
2.  Remove Aft Entry Door Lining
A. Carefully remove the acoustic seal from lining retainer at top and sides of door (Fig. 401).
CAUTION:  USE CARE HANDLING THE SEAL AT THE BOTTOM CORNERS TO PREVENT BREAKING SEAL SPLICES.
B.  On those airplanes with a flat seal spliced between the bottom and side seals, remove screws holding the flat seal to the lining support. Complete removal of acoustic seal from bottom of door (Fig. 401).
NOTE:  It is not necessary to remove the bottom seal on those airplanes that do not have flat seal at bottom of door.
C.  Remove quarter-turn fasteners around periphery of center panel.
D.  Remove seal retainers from around door lining and fasteners holding forward side panel to lining supports.
E.  Remove top, bottom and side lining panels.
F.  Remove entry door and remove center panel (Ref 52-14-0, Removal/Installation of Aft Entry Door).
3.  Install Aft Entry Door Lining
A.  Install top, bottom and side lining panels onto the door lining supports.
NOTE:  Install center lining panel over top, bottom and side panels if removed.
B.  Install seal retainers onto door lining and fasten to lining support and fasten forward lining panel to lining supports.
C.  Carefully install the acoustic seal in the retainer and flat seal at the bottom of the door and install screws. Complete installation of acoustic seal around door.
Nov 15/79 52-14-131 Page 401
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

D.  Install fasteners around periphery of center panel.
E.  Install entry door if removed. Refer to Aft Entry Door, Removal/Installation, 52-14-0. Check that door and doorway lining marks in upper corners of door are aligned within 0.01 inches.
NOTE:  If upper lining panel is replaced, install new lining marks after door is closed and aligned.

Aft Airstair Door Lining Installation  500 
52-14-131  Figure 401  Aug 15/68 
Page 402 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

AFT AIRSTAIR HANDRAILS - REMOVAL/INSTALLATION
EFFECTIVITY
　
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