A320飞机维护手册 AMM DOORS 舱门2(54)

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 A spring rod holds the door in the locked position.
 A safety pin stops the door if there is a malfunction of the locking
 mechanism or the lifting mechanism.
 The inner and outer control handles are slaved one to another by a
 gearbox assembly.
 The gearbox assembly is attached to the locking shaft and the reducer
 shaft. It stops the outer handle when the door is released with the inner
 control handle
 When the door closes, the inner control handle puts the outer control
 handle in its housing, through the gearbox.
 When the door is open, in the up position, a safety pin prevents the
 gearbox from turning.
 The lifting lever lifts the door. The door moves upwards until the
 lowering shaft is no longer in contact with the stop fitting on the
 frame.

 The compensation mechanism is a torsion bar.
 It lets the door open and close easily by weight compensation when it is
 released.

 The force that is necessary to release the door must be equal to or less
 than 16 daN (35.9694 lbf).

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 Locking and Compensation Mechanisms
 Figure 002 
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 Locking and Compensation Mechanisms
 Figure 002A

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 Locking and Compensation Mechanisms
 Figure 002B

R 1EFF : 301-399, 401-499, 1 52-13-00Page 7 1 1 Aug 01/05 1 1 1CES 1 The recess of the lock safety pin has a draining hole.

 **ON A/C 001-002,
 B. Escape Slide Control Mechanism (Ref. Fig. 003) The escape slide is installed at the bottom of the door. When the emergency control handle is in the ARMED position, the escape slide girt bar engages into the fittings on the door threshold. It stays attached to the door when the emergency control handle is in the DISARMED position. A housing installation that contains a cam-disk and a roller attaches the escape slide control lever to the outer control handle. It disarms the escape slide automatically when the door is opened with the exterior control handle. The escape slide control mechanism puts the escape slide control lever in the DISARMED position when the door is not fully closed and locked. A hook prevents from arming of the escape slide when the door is open. A spring rod and a hook are attached to the locking shaft with a rod. The locking shaft locks the emergency control handle in the DISARMED position. The escape slide inflation mechanism is a striker attached to the bellcrank assembly on the escape slide control mechanism. When the emergency control handle is put in the ARMED position, the striker turns about its axis and moves under the striker mechanism attached to the damper actuator and emergency operation cylinder. The emergency control handle is in the ARMED position. A visual indicator is installed at the forward end of the girt bar. There is a special sealing ring on the escape slide flexible controls. The special sealing ring reduces the control loads of flexible controls under adverse freezing conditions.
R **ON A/C 003-049, 051-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 B. Slide/raft Control Mechanism (Ref. Fig. 003A) A slide/raft is installed at the bottom of the door. A slide/raft girt bar has a built-in quick release mechanism. When the emergency control handle is in the ARMED position, the slide/raft girt bar engages into the fittings on the door threshold. It stays attached to the door when the emergency control handle is in the DISARMED position.
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 Escape Slide Release Mechanisms
 Figure 003 
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 Slide/Raft Release Mechanisms
 Figure 003A

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 A housing installation that contains a cam-disk and a roller attaches the
 escape slide control lever to the outer control handle. It disarms the
 esape slide automatically when the door is opened with the outer control
 handle.
 The slide raft control mechanism puts the escape slide control lever in
 the DISARMED position when the door is not fully closed and locked.
 A hook prevents from arming of the slide/raft when the door is open.
 A spring rod and a hook are attached to the locking shaft with a rod.
　
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