B. Third Occupant Seat
(1)
General The 3rd Occupant seat is a folding seat attached to the right rear panel in the cockpit. It can slide along the Y-axis to take up a position on the aircraft centerline. No longitudinal adjustment is provided. The seat pan unfolds and locks only in the unfolded position, in the aircraft centerline.
(2)
Description
**ON A/C 001-049, 051-099, 101-105,
(Ref. Fig. 004)
R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 004A)
EFF : ALL
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Third Occupant Seat Figure 004
R EFF : 001-049, 051-099, 101-105, 25-11-00 Page 7 May 01/05
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Third Occupant Seat Figure 004A
R EFF : 106-149, 151-199, 201-299, 301-399, 401-499, 25-11-00 Page 8 Aug 01/05
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**ON A/C ALL
(3) Controls A manual control enables the seat to be moved from its stowage position to its utilization position on the aircraft centerline. A second control serves to unlock the headrest. A third control serves to lock the inertia reel.
**ON A/C 001-049, 051-099, 101-105,
(4) Seat equipment The headrest can be folded down so that the circuit breaker panel can be opened while the seat is in its stowed position. A compartment closed by VELCRO tapes and containing a life vest is provided in the lower part of the seat. The safety harness includes five straps and an inertia reel controlled by a handle located on the left of the seat. This handle serves to lock and unlock the inertia reel.
R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
(4) Seat equipment. The non-adjustable armrests pivot on the seat uprights. The headrest can be folded down so that the circuit breaker panel can be opened while the seat is in its stowed position. A compartment closed by VELCRO tapes and containing a life vest is provided in the lower part of the seat. The safety harness includes five straps and an inertia reel controlled by a handle located on the left of the seat. This handle serves to lock and unlock the inertia reel.
**ON A/C ALL
C. Fourth Occupant Seat
(1) General The Fourth Occupant seat is a folding seat located against the left rear partition in the cockpit. The seat cushion is folded down into place. It is returned to its stowed position by pressing upwards and against the partition. The lower section of the seat is provided with a compartment containing a life vest and closed by VELCRO tapes.
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The straps of the safety harness can be clicked into the buckle in any order. Turning the unlocking control through a 1/4 turn, either clockwise or anticlockwise, releases the two shoulder straps and the lap belt. Pressing the control located on the top of the buckle releases the shoulder straps alone. The inertial reel locking control is located in the coat storage compartment.
(2) Description (Ref. Fig. 005)
4. Operation/Control and Indicating
________________________________
A. Captain and First Officer Seats
(1) Vertical travel
(a) Manual control (Ref. Fig. 006)
1_ Up travel
To move the seat in the up direction pull the control handle,
marked V and located on the inboard side of the seat pan,
upwards in order to unlock the seat. Then, by taking your
weight off the seat, adjust the seat to required position,
then release the handle. A gas cylinder compensates for the
weight of the seat (2 grasp handles are located above each
pilot seat).
2_ Down travel
To move the seat in the down direction, pull the control
handle upwards in order to unlock the seat. The weight of the
occupant is sufficient to move the seat downwards. To lock the
seat in position, release the handle. The down movement is
slowed down by means of a gas cylinder.
NOTE : The control handle V acts on a ball-nut/screw system____
ensuring vertical movement of the seat.
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May 01/04
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Fourth Occupant Seat Figure 005
R EFF : CES ALL 25-11-00 Page 11 May 01/99
Manual Control Figure 006
R EFF : ALL 25-11-00 Page 12 May 01/03
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(b) Vertical electrical control (Ref. Fig. 007) If the circuit is supplied with power, place the control switch located on the inner side of the seat pan in the up or down position until the seat reaches the required position. Seat movements are obtained by the gear motor associated with the ball-nut/screw system. The movements are limited by stops and an overtorque detector integrated in the gear motor assembly. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM EQUIPMENT/FURNISHINGS 设备1(96)
