A320飞机维护手册 AMM DOORS 舱门3(17)

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 **ON A/C ALL
 5. Operation
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R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 A. Removal of Emergency Exit Hatch from the Inside
 To get access to the hatch control handle, pull down the cover flap from the recess. When the cover flap is opened, a proximity switch is operated and gives two different warning signals. One signal is sent to the ECAM system and the other gives a visual warning in the cabin. The ECAM system makes the MASTER CAUTION LIGHT on panels 130VU and 131VU of the cockpit come on. At the same time it gives a single chime warning for the flight crew.
 The visual warning in the cabin tells the attendants that one of the emergency exit hatches is not correctly closed.
 For the maintenance procedure only, open the cover flap to get access to the head of the latch pin. To release the latch pin, turn it a quarter turn counterclockwise. The spring of the slide release mechanism extends and causes the latch pin to retract to the DISARMED position. This causes a spring-loaded pin to operate the proximity switch which sends a signal to the ECAM system.
 Pull the lever of the hatch control handle down and hold the emergency exit in position. This causes the spring-loaded linkage to fall down and engage the special bolt of the pull lever and blocks it. The operation of the hatch control handle disengages the locking hooks from the upper roller fittings. Because of the shape of the emergency exit hatch, it will fall into the cabin if you do not hold it.
 1EFF : ALL 1 52-21-00Page 17 1 1 Aug 01/05 1 1 1CES 1 Carefully let the top of the hatch fall to the inner side so that it comes clear of the structure. When the emergency exit hatch moves inboard, the latch pin of the escape slide mechanism moves the release lever. This lever operates the slide release mechanism which inflates the emergency escape slide. At the same time, a spring-loaded pin operates the proximity switch which sends a signal to the ECAM system. If the escape slide mechanism is in the maintenance mode, the retracted latch pin can not operate the release lever. Take the lower handle of the lining with your free hand and pull the emergency exit hatch from the recess. The hook brackets disengage from their pivot fittings. Lift the emergency exit hatch and pull it away from the opening.

 For the maintenance procedure only, install a rigging pin in the provision of the hatch frame. This prevents an accidental operation of the escape slide.
 B. Removal of the Emergency Exit Hatch from the Outside
 Push the flush panel of the hatch control handle to the inside of the handle frame. This operation moves the pull lever down and releases the locking hooks. The pull lever moves the main cover flap to the open position.
 A special switch design prevents that the warnings in the cabin and cockpit come on when the emergency exit hatch is opened. Because of the shape of the emergency exit hatch, it falls into the cabin when the flush panel is pushed. The release lever operates the slide release mechanism which inflates the emergency escape slide. Push the emergency exit hatch away from the opening into the cabin.
 C. Installation of the Emergency Exit Hatch
 Make sure that the latch pin of the slide release mechanism is in the DISARMED position. If installed, remove the rigging pin from the hatch frame. Take the emergency exit hatch and set it with the hook brackets on their pivot fitting. Push the bottom of the hatch into the opening so that the hook brackets engage in the pivot fitting. Make sure that the lip of the hatch seal is not caught in the pivot fitting.
 Push the top of the hatch into the opening so that the stop profiles touch the hatch frame. Hold the emergency exit hatch in this position until it is correctly locked.
 Lift the spring-loaded linkage to release the blockage of the pull lever. Then push the pull lever up until it is above the overcenter position. This operation turns the locking shaft unit and the locking hooks engage
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 52-21-00Page 18 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 in the upper roller fittings. Make sure that the emergency exit hatch is in the correct position and correctly locked.

 To extend the latch pin of the slide release mechanism in the ARMED position, push it against the spring. To lock this spring-loaded pin, turn its head a quarter turn clockwise. Then the slide release mechanism is in the NORMAL mode.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 52-21-00Page 19 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1

 PASSENGER COMPARTMENT EMERGENCY EXIT - ADJUSTMENT/TEST
______________________________________________________ TASK 52-21-00-710-003 Operational Test of the Unlocking and the Opening from the Cabin in the ARMED
 Mode WARNING : MAKE SURE THAT THE SAFETY/LOCK PIN IS CORRECTLY INSTALLED IN THE
　
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