DOORS(5)

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D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
52-10-00-001
THIS PAGE IS INTENTIONALLY LEFT BLANK
DOORS - PASSENGER/CREW - INTRODUCTION
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Page 5
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
Purpose
The forward entry door lining and insulation does these
functions:
* Gives the door an attractive, easy to clean surface
* Reduces the heat transmission through the door
* Reduces the sound transmission through the door.
General Description
The door lining and insulation is a one-piece composite panel.
The lining panel is a crush core laminate with a tedlar surface
layer.
There is an insulation blanket on the outboard side of the lining
panel. Hook and loop fastener tape hold the insulation to the
lining panel.
These type of fasteners hold the lining and insulation panel to
the door:
* Screws (panel sides)
* Nylon nuts (panel top and bottom edges).
There is a cutout and bezel in the upper area of the panel for the
door window.
Cutouts in the lower area of the lining and insulation panel
permit attachment of the emergency escape slide to door hard
points.
Training Information Point
You must remove the door lining and insulation panel and the
door access panels to inspect and lubricate the door interior
components.
Before you can remove the lining and insulation panel, you
must remove these door components:
* The emergency escape slide
* The door assist handles (2)
* The control handle.
It is not necessary to remove the lining and insulation panel to
remove the door window.
DOORS - PASSENGER/CREW - LINING AND INSULATION
EFFECTIVITY
GUN ALL 52-10-00
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D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
52-10-00-002
DOORS - PASSENGER/CREW - LINING AND INSULATION
DOORS - PASSENGER/CREW - LINING AND INSULATION
EFFECTIVITY
GUN ALL 52-10-00
Page 7
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
52-10-00-002
THIS PAGE IS INTENTIONALLY LEFT BLANK
DOORS - PASSENGER/CREW - LINING AND INSULATION
52-10-00
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D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
Purpose
The handle mechanism does these functions:
* Moves a closed and latched door to the cocked open position
* Moves a door in the cocked open position to the closed and
latched position.
Location
The handle mechanism is between the interior and exterior
control handles.
Physical Description
The handle mechanism has these major parts:
* Interior and exterior control handles
* Cam plate
* Door latching crank and cam roller rocker
* Door cocking crank and cam roller rocker
* Door latching crank and pushrods
* Door cocking crank and pushrod
* Door hinges and torque tube
* Upper and lower door gates, pushrods, and stoprods
* Associated shafts, bearings, retainers, springs, and
fasteners.
Functional Description
You operate the door handle mechanism manually.
The interior handle turns the cam plate.
The exterior handle fairs in a recess in the outer skin of the
door. It is spring-loaded to this position. When faired, the door
handle disengages the cam plate. When you pull the handle
from the faired position, it engages the cam plate by a spline
drive. When the handle spline drive is engaged, the handle can
turn the cam plate.
The cam plate has two cam tracks. One track drives the door
latching roller rocker. The other track drives the door cocking
roller rocker.
When the cam plate turns in the open direction, it causes these
things to occur:
* Door unlatches and its gates fold
* Door moves to the cocked open position.
The initial movement of the cam plate in the open direction
causes the latching roller rocker to rise steeply to the high cam.
This turns the roller rocker and the latching crank to which it is
splined. The latching crank transmits this motion to the door
latching mechanisms and door gates with pushrods. This
unlatches the door and folds the door gates. As the cam
continues to turn, it does not turn the latching roller rocker. This
　
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