-
the cockpit door opens
On the cockpit Door Panel 119VU:
-
the OPEN indicator lamp 22MQ comes on.
-
the tenons of the top, center andbottom latch mechanism extent and thecockpit door moves in its closed and locked position.
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ACTION RESULT -------------------------------------------------------------------------------
2.
On the C/B panel 122VU:
- open the circuit breaker 1MQ so that the CDLS is without electrical power.
3.
On the Cockpit Door:
-put the spring balance on the center latch mechanism and and pull to measure the force necessary to open the unlocked cockpit door.
4.
On the C/B panel 122VU:
-close the circuit breaker 1MQ so that the CDLS has electrical power.
5.
On the Cockpit Door:
-move the cockpit door in the close direction.
R
5. Close-up
________
R
Subtask 52-51-00-860-065On the Cockpit Door:
-you can hear a clacking noise fromthe solenoids of the electricalrelease strikes because they do not have electrical power.
On the Cockpit Door:
-the cockpit door opens and theoperation force must be between 2.0daN (4.4961 lbf) and 4.0 daN (8.9923lbf).
On the Cockpit Door:
-you can hear a clacking noise fromthe solenoids of the electricalrelease strikes.
On the Cockpit Door:
-the cockpit door is closed andlocked.
A. Put the aircraft back to the serviceable condition.
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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R TASK 52-51-00-720-002 Operational Check of both Pressure Sensing Channels for Rapid Decompression
1.
Reason for the Job
__________________
Refer to the MPD TASK: 525111-02
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific 1 PUMP - VACUUM
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
3. Job Set-up
__________ R Subtask 52-51-00-860-066
A. Aircraft Maintenance Configuration
(1)
Make sure that the cockpit door is closed.
(2)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
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B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU DOORS/PAX/MONG 1MQ 13 T
R
4. Procedure
_________ R Subtask 52-51-00-720-052
A. Functional Test of the Decompression Event
(1) Do the test to make sure that the pressure sensors in the control unit 24MQ opertates correctly.
NOTE : In this test a rapid decompression of the cabin pressure is
____
simulated with a PUMP - VACUUM .
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the CKPT DOOR CONT Panel 20VU: On the CKPT DOOR CONT panel 20VU:
- put the vacuum pump in one of the pressure sensor holes and operate it. On the Cockpit Door:- you can hear a clacking noise fromthe solenoids of the electrical release strikes because they are without power.
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