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OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-52-00
Page 7
October 11/02
Revision 8
Main Entrance Door Installation
Figure 3
OPERATING MANUAL
2A-52-00 PRODUCTION AIRCRAFT SYSTEMS
Page 8
October 11/02
Revision 8
Cargo Door Installation
Figure 4
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-52-00
Page 9
October 11/02
Revision 8
Baggage Compartment Door Installation
Figure 5
OPERATING MANUAL
2A-52-00 PRODUCTION AIRCRAFT SYSTEMS
Page 10
October 11/02
Revision 8
Smoke Evacuation Valve
Figure 6
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-52-00
Page 11
October 11/02
Revision 8
Tail Compartment Door Installation
Figure 7
OPERATING MANUAL
2A-52-00 PRODUCTION AIRCRAFT SYSTEMS
Page 12
October 11/02
Revision 8
2A-52-30: Door Controls and Indications:
1. Pressurized Section Door Controls:
A. Main Entrance Door:
The main entrance door is locked by bayonet Þttings positioned by a
locking handle on the inside of the door or by an outside locking handle.
Both the inside and outside handles have secondary latch release handles
that secure the locking handles in the locked position.
The main entrance door is normally opened by manually unlocking the
bayonet Þttings and pushing (from inside) or pulling (from outside) the door
over center and letting the door and attached airstair open in a controlled
free fall using the weight of the door assembly. See Figure 9 and Figure 10.
The opening action of the door is damped by the controlled release of
trapped hydraulic ßuid. Neither electrical nor hydraulic power are required
to open the main entrance door. Normal procedures for opening the main
entrance door can be found in Section 09-01-40, Opening and Closing
Airplane Doors.
The main entrance door is normally closed using electrical switches
located inside an exterior panel or by switches in the cockpit (and on the
cockpit door frame for some airplanes) shown in Figure 8 and Figure 10.
These switches enable the door close circuitry and control operation of the
Auxiliary Hydraulic (AUX) pump during closing. Normal procedures for
closing the main entrance door can be found in Section 09-01-40, Opening
and Closing Airplane Doors.
If necessary, the main entrance door may be closed or opened manually
using alternate procedures. Whenever alternate procedures are used to
open or close the main entrance door, the ßight crew should ensure the
door is never allowed to free fall. If there is no controlled release of
hydraulic ßuid, damping will not be available and the door could fall with its
full weight, resulting in serious injury to personnel and heavy damage to the
door and airplane. Alternate procedures for opening the main entrance
door, found in Section 09-03-20, Manually Opening and Closing Main
Entrance Door, must be carefully followed to ensure maximum safety.
B. Baggage Compartment Door:
The baggage compartment door is opened manually with either the interior
or exterior door handle, positioning the integrated bayonet Þttings that lock
the door. Procedures for opening and closing the baggage compartment
door can be found in Section 09-01-40, Opening and Closing Airplane
Doors.
C. Optional Cargo Door:
The cargo door, if installed, is controlled with switches on a door control
panel, shown in Figure 11. The panel has four switchlights and a threeposition
control switch.
2. Unpressurized Section Door Controls:
A. Tail Compartment Door:
The tail compartment door is manually opened from the outside with a
faired handle, and the attached telescoping stair is extended by hand.
Procedures for opening and closing the tail compartment door can be
found in Section 09-01-40, Opening and Closing Airplane Doors.
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-52-00
Page 13
October 11/02
Revision 8
B. Service Compartment Doors:
Service compartment doors are opened by pressing latch release buttons
integrated into the spring-held latches.
3. Door Warning System:
The door warning system monitors the position of the main entrance door,
baggage compartment door, cargo door (if installed) and the tail compartment and
service doors. A 28V DC circuit will illuminate EICAS, SWLP, or instrument panel
light capsule warnings if microswitches are not closed by the locking action of
doors. The microswitches are located on:
• The forward upper, top and lower aft bayonet Þtting receptacles in the
frame of the main entrance door
　
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