3. Job Set-up
__________
Subtask 52-21-00-860-054
A. Aircraft Maintenance Configuration
(1)
Make sure that the hatch is correctly closed and locked (Ref. TASK 52-21-11-400-001).
(2)
Install the lockpin assemblies on the inflation reservoirs in the AFT cargo compartment to prevent an accidental escape slide operation (Ref. TASK 25-62-00-481-001).
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-149, 201-299,
(Ref. Fig. 501/TASK 52-21-00-991-001) R **ON A/C 151-199, 401-499,
(Ref. Fig. 501A/TASK 52-21-00-991-001-A)
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Subtask 52-21-00-710-052
A. Operational Test
(1)
Do this test to examine the operation of the hatch locking mechanism from the inner and outer side,
(2)
Do this test to examine the operation of the latch pin from the Armed in the Disarmed Mode.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the center of the cabin:
-pull down and remove the cover flap from the hatch.
2. On the hatch structure:
-push the latch pin against the spring and turn its head a quarter turn counterclockwise.
3. In the center of the cabin:
-pull the pull-lever of the hatch control handle down and hold the hatch in position.
-carefully lower the top of the hatch into the cabin and remove the hatch In the center of the cabin:
-
the white indicator light SLIDE ARMEDcomes on.
On the hatch structure:
-
the latch pin retracts to theDISARMED position.
In the center of the cabin:
-
the retracted latch pin does not operate the adjacent pin of the proximity switch,
-
the white indication light SLIDE ARMED goes off.
-
the hooks of the locking mechanismdisengage from the upper rollerfittings.
-
the linkage of the hatch control handle locks the pull lever in this lowered position.
-
the opening of the emergency exit isfree.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
- put the hatch correctly in - the opening of the emergency exit is
position of the opening and closed and the hatch is correctly
lift the pull lever in its locked.
overcenter position .
4. On the wing: In the center of the cabin:
- push the flush panel of the - the pull handle of the hatch control
hatch control handle inboards. handle moves down and operates the
hooks of the locking mechanism.
NOTE : Make sure that a second____
person stops the movement
when the hatch comes free
of the cabin lining.
- the hatch comes inboards and its
retracted latch pin does not operates
the release lever of the slide
release mechanism.
5. In the center of the cabin: In the center of the cabin:
- put the hatch correctly in - the opening of the emergency exit is
position of the opening and closed and the hatch is correctly
lift the pull lever in its locked.
overcenter position .
- push the latch pin against the - the latch pin extends in its ARMED
spring and turn its head a position and operates the pin of the
quarter turn clockwise. related proximity switch.
- the white indication light SLIDE
ARMED comes on.
- install the cover flap on the - the white indicator light SLIDE ARMED
hatch lining and push it goes off.
against the hatch.
- examine the position of the - make sure that the position of the
hatch seal. hatch seal is correct.
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5. Close-up
________ Subtask 52-21-00-860-055
A. Put the aircraft back to the serviceable condition.
(1)
Remove the lockpin assemblies from the inflations reservoirs (Ref. TASK 25-62-00-081-001).
(2)
Make sure that the hatch is correctly closed and locked (Ref. TASK 52-21-11-400-001).
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