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sensor. This causes the P5 panel FWD ENTRY or AFT ENTRY
door warning light go off
* Door seals compress between the door and the door frame
* Upper and lower door gates unfold outward. This
compresses the gate seals, and returns the door to a
structural plug configuration.
Training Information Point
You can operate the forward entry door in winds up to 40 knots.
You can let the door stay latched open in winds up to 65 knots.
WARNING: DO NOT OPERATE THE DOOR IN JET BLAST OR
HIGH WINDS. DAMAGE TO EQUIPMENT OR
INJURY TO PERSONS CAN RESULT.
The force on the control handle to open and close the door is
not large. If a large force is necessary, there is a fault with the
door or the procedure.
If the door does not close and latch easily, there may be a
clearance problem. Make sure the door-to-frame area is clear.
An incorrectly stowed escape slide girt strap may be caught
between the door and the frame.
If the airplane is pressurized, a properly rigged door will not
unlatch. This is because the door gates must open against
cabin pressure during door unlatch. Pressure on the door gates
has a mechanical advantage and prevents this.
DOORS - PASSENGER/CREW - INTERIOR OPERATION
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.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
52-10-00-010
DOORS - PASSENGER/CREW - INTERIOR OPERATION
DOORS - PASSENGER/CREW - INTERIOR OPERATION
EFFECTIVITY
GUN ALL 52-10-00
Page 33
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
52-10-00-010
General
You open and close the door manually. Use these steps to open
the door from the airplane exterior:
* Move the door to the cocked open position with the control
handle
* Pull the door to the fully open position.
Use these steps to close the door:
* Release the upper hinge lock latch
* Pull the door to the cocked position
* Fully close and latch the door with the control handle.
Opening the Door - Exterior Operation
An escape slide is on the inside lower door. If the slide girt bar
is in the armed position, the slide will deploy automatically as
the door opens. Look to see if there is a door slide warning
pennant (orange) in the door window. The pennant is across the
window when the slide is armed.
The door swings out of the door frame when it opens. Make
sure the area outside of the door is clear.
You must pull the exterior door control handle from the recess
position to engage the door drive mechanisms. Turn the handle
180 degrees in the clockwise direction.
Initial movement of the handle causes the door interior
mechanisms to do these things:
* Door latch roller mechanisms disengage from their door
frame latch track fittings
* Door warning sensor target moves away from the sensor.
This causes the FWD ENTRY or AFT ENTRY door warning
light on P5 forward overhead panel to come on
* Upper and lower door gates fold inward. This makes the
door smaller, breaks the door seal, and vents any cabin
differential pressure.
As the handle moves through the full motion (180 degrees), the
door mechanisms do these things:
* Cocking mechanism moves the door hinge arms (and the
door) inward
* Upper hinge guide arm controls the door rotation as it
swings
* Door goes to the cocked open position.
Any more effort on the door control handle does not cause more
door motion. The door control handle has gone through the full
motion. Release the control handle and let it return to its recess
by spring force.
To complete the door open operation, hold the aft edge of the
door, and pull it open.
DOORS - PASSENGER/CREW - EXTERIOR OPERATION
EFFECTIVITY
GUN ALL 52-10-00
Page 34
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
52-10-00-011
As the door opens, winds may push it. This can push the
operator off balance. Keep a strong, secure stance to prevent
this.
As you pull the door open, the door turns. This puts the door
parallel to the airplane fuselage when the door is fully open.
At the fully open position, these things happen:
* Snubber and stop mechanisms gently stop the door at the
fully open position.
* Latch mechanism in the upper hinge engages. This locks the
hinge (and the door) in the fully open position.
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