-
the DGTL multimeter shows a closed circuit.
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Subtask 33-51-00-720-051
D. Test of the left and right escape-hatch switches of the emergency-exit escape-slide lighting.
WARNING : MAKE SURE THAT THE SAFETY PIN IS CORRECTLY INSTALLED IN THE
_______ HATCH FRAME IF THE EMERGENCY EXIT HATCH IS REMOVED. THIS PREVENTS AN ACCIDENTAL OPERATION OF THE ESCAPE SLIDE MECHANISM DURING THE MAINTENANCE.
WARNING : DO NOT OPEN THE EMERGENCY EXITS.
_______
NOTE : This test is for the left emergency exits. The test for the right
____
emergency exits is the same.
(1) Do this Test.
(Ref. TASK 52-21-00-720-001)
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the cockpit, on the overhead circuit breaker panel 49VU:
-make sure that the circuit
breakers, LIGHTING/EMER
LT/CABIN, 1WL and 2WL are
closed.
2. On the forward left emergency Between the left emergency exits: escape hatch:
-pull down and remove the cover - the SLIDE ARMED light on the cabin flap from the hatch, lining comes on,
-push the latch pin against the - the SLIDE ARMED light goes off.
spring and turn it a quarter
turn counterclockwise to
retract it to the DISARMED
position,
On the left overwing fuselage:
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-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
- the overwing emergency lights come
on,
- push the latch pin against the - the overwing emergency lights go off.
spring and turn it a quarter
turn clockwise to extend it to
the ARMED position,
Between the left emergency exits:
- the SLIDE ARMED light comes on,
- install and close the removed - the SLIDE ARMED light goes off.
cover flap on the hatch.
3. On the aft left emergency escape Between the left emergency exits:
hatch:
- pull down and remove the cover - the SLIDE ARMED light comes on,
flap from the hatch,
- push the latch pin against the - the SLIDE ARMED light goes off.
spring and turn it a quarter
turn counterclockwise to
retract it to the DISARMED
position,
On the left overwing fuselage:
- the overwing emergency lights come
on,
- push the latch pin against the - the overwing emergency lights go off.
spring and turn it a quarter
turn clockwise to extend it to
the ARMED position,
Between the left emergency exits:
- the SLIDE ARMED light comes on,
- install and close the removed - the SLIDE ARMED light goes off.
cover flap on the hatch.
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R **ON A/C 151-199, 401-499,
Subtask 33-51-00-720-051-A
D. Test of the left and right escape-hatch switches of the emergency-exit escape-slide lighting.
WARNING : MAKE SURE THAT THE SAFETY PIN IS CORRECTLY INSTALLED IN THE
_______ HATCH FRAME IF THE EMERGENCY EXIT HATCH IS REMOVED. THIS PREVENTS AN ACCIDENTAL OPERATION OF THE ESCAPE SLIDE MECHANISM DURING THE MAINTENANCE.
WARNING : DO NOT OPEN THE EMERGENCY EXITS.
_______
NOTE : This test is for the left emergency exit. The test for the right
____
emergency exit is the same.
(1) Do this Test.
(Ref. TASK 52-21-00-720-001)
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. In the cockpit, on the overhead
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