(2)
Remove the protection sealant from the inside of the bush with MISCELLANEOUS (Material No. 19-003) and CLEANING AGENTS (Material No. 11-004).
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Bush - Typical Installation
Figure 801/TASK 52-10-00-991-042
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FWD PASSENGER/CREW DOOR - DESCRIPTION AND OPERATION
___________________________________________________
1. General
_______
**ON A/C 001-002,
The doors are in the forward section of the fuselage, between the stations
FR16 and FR20.
The doors have two different mechanisms :
-
the locking and compensation mechanism
-
the emergency evacuation mechanism
The door locking mechanism can be operated by the inner and outer control
handles.
The emergency escape slide is operated by the emergency control-handle on
the inner side of the door.
If you open the door from the outside, the escape slide is automatically
disarmed.
The dimensions of the door are :
-Height: 1829 mm (72.0079 in.)
-Width: 813 mm (32.0078 in.)
The weight of the door is:
-without the escape slide 90 kg (198.4159 lb)
-with the escape slide 114 kg (251.3269 lb)
R **ON A/C 003-049, 051-099, 101-149, 151-199, 201-299, 301-399, 401-499,
The doors are in the forward section of the fuselage, between FR16 and FR20. The doors have two different mechanisms:
-
the locking and compensation mechanism
-
the emergency evacuation mechanism
The door locking mechanism can be operated by the inner and outer control
handles.
The slide/raft is operated by the emergency control handle on the inner side
of the door.
If you open the door from the outside, the slide/raft is automatically
disarmed.
The dimensions of the door are:
-Height : 1829 mm (72.0079 in.)
-Width : 813 mm (32.0078 in.)
The weight of the door is:
-with the slide/raft 147 kg (324.0794 lb)
-without the slide/raft 90 kg (198.4159 lb)
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2. Description___________ (Ref. Fig. 001)
A. Structure of the Door
The primary structural elements of the door are:
-
the horizontal longerons
-
the vertical curved members
-
the outer skin
-
the inner skin
-
the edge members
All these elements are attached with rivets.
These elements are attached to the door:
-
the adjustable stops which give the safety if the pressurization system is defective. They can be adjusted to put the door flush with the fuselage.
-
the guide rollers engage in the sliders on the frame of the door. They are positioned so that the stops disengage or move in the correct position when you lift or lower the door.
-you can see the warning light panel through the door window when you open the door from the outside.
-a seal is installed around the door on the inner side. It has holes at equal intervals. When the door is closed, the seal is pushed against the frame of the fuselage. When the passenger cabin is pressurized, the seal inflates. The lower guide fittings on the door frame have holes to drain the rainwater. The four air stoppers are installed between the door and the door frame. They prevent the cold air from penetrating into the cabin. An additional thermal insulation blanket is installed behind the emergency escape slide, around the door/support arm connections and behind the door buffer housing.
3. Operation
_________
A. Locking and Compensation Mechanism
**ON A/C 001-002,
(Ref. Fig. 002)
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Door Structure Figure 001
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Locking and Compensation Mechanisms
Figure 002
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**ON A/C 003-049, 051-099, 101-149, 151-199, 201-299,
(Ref. Fig. 002A)
R **ON A/C 301-399, 401-499,
(Ref. Fig. 002B)
**ON A/C ALL
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