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the equipment racks. The tracks hinge near the right side of
door frame. A spring catch on the end of each track holds the
track in the folded or unfolded position.
Door Seal
A seal around the door prevents pressure loss.
Door Warning Switch
The door has an interface with the door warning system. It
shares the P5 panel EQUIP door warning light with the forward
equipment compartment door. The left latch pin operates the
door warning switch. The switch is outboard of the left latch pin
frame bushing.
DOORS - SERVICE - ELECTRONIC EQUIPMENT COMPARTMENT EXTERNAL ACCESS DOOR
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When the door is latched, the latch pin pushes on the switch.
This opens the switch and removes a ground from the EQUIP
light and the light goes out.
When the door is unlatched, the latch pin releases the switch.
The switch closes to give a ground to the EQUIP light and the
light comes on.
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DOORS - SERVICE - ELECTRONIC EQUIPMENT COMPARTMENT EXTERNAL ACCESS DOOR
DOORS - SERVICE - ELECTRONIC EQUIPMENT COMPARTMENT EXTERNAL ACCESS DOOR
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Operation
You operate the electronic equipment compartment external
access door manually. You open and close the door from
outside of the airplane.
Open Door
The handle on the door fairs in a recess. A push-button trigger
releases the handle, and it comes out of fair by spring force.
Turn the handle counterclockwise to disengage the latch pins.
When the latch pins are free, you can push the door upward and
slightly to the right to the first detent. Then push the door to the
right to the fully open detent.
When the door is fully open, the roller tracks can be folded to
improve access to the equipment racks. A spring catch on the
end of each roller track holds the track in the folded or unfolded
position.
Close Door
Before you close the door, make sure the roller tracks are
extended and the door frame area is clear.
Pull the door out of the fully open detent and then restrain it as
gravity causes it to slide down the tracks. When the door gets to
the lower detent, you can release it.
Turn the handle counterclockwise to retract the latch pins. If you
do not do this, the door will not seat in the door frame.
Pull the handle to the left and the door will come out of the
partially open detent. Then it slides down into the door frame.
Turn the handle clockwise to latch the door. Then push the door
handle back into its recess.
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DOORS - SERVICE - ELECTRONIC EQUIPMENT COMPARTMENT EXTERNAL ACCESS DOOR - OPERATION
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Purpose
The air conditioning access doors give access to the air
conditioning pack compartments.
Location
The air conditioning access doors are part of the wing to body
fairing under the airplane wings.
General Description
There are two air conditioning pack compartments and each
has an access doors. The air conditioning pack compartments
are unpressurized. The access door is the same size as the A/C
pack compartment.
The doors have hinges on the inboard edge. The hinges
connect the door to keel beam structure.
The doors latch with heavy duty, flush-mount latches. The
latches secure the door in the closed position and permit quick
access with their push-button trigger release. The latches are a
fail-safe design. Failure of the trigger return mechanism do not
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