Subtask 23-71-00-720-055
C. Do the functional test with the aircraft in the flight configuration:
(1)
Aircraft Maintenance Configuration
(a)
On the panel 110VU, put the Parking Brake Control Switch (73GG) in the ON position.
(b)
Put the aircraft in the flight configuration (Ref. TASK 32-69-00-860-001).
(2)
Test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the overhead control and In the headset: indicating panel 21VU: - Make sure that you cannot hear the
-Push the RCDR/CVR ERASE 400Hz tone signal.
pushbutton switch for not less
than 2 seconds and release it.
5. Close-up
________ Subtask 23-71-00-860-056
A. Put the aircraft back to its initial configuration.
(1)
On the panel 21VU, release the RCDR/GND CTL pushbutton switch (the ON legend goes off).
(2)
Disconnect the headset from the CVR/HEAD SET connector.
(3)
Put the aircraft in the ground configuration (Ref. TASK 32-69-00-860-001).
(4)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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MICROPHONE - CVR (16RK) - REMOVAL/INSTALLATION
______________________________________________ TASK 23-71-13-000-001 Removal of the CVR Microphone (16RK)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-71-13-991-001 Fig. 401
3. Job Set-up
__________ Subtask 23-71-13-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/CVR/SPLY 2RK E14 49VU COM/CVR/CTL 4RK E13
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4. Procedure
_________
(Ref. Fig. 401/TASK 23-71-13-991-001) Subtask 23-71-13-020-050
A. Removal of the CVR Microphone
(1)
Loosen the QAD fasteners (10) by one quarter turn.
(2)
Pull the unit 25VU (11) from its housing. Do not disconnect the connectors.
(3)
Loosen the screw (5) and remove the washers (6) and (7), and the wire clamp (14).
(4)
Disconnect the connector (8) from the receptacle (9).
(5)
Put blanking caps on the connector (8) and the receptacle (9).
(6)
Loosen the screws (12) and remove the washers (13).
(7)
Remove the CVR microphone (2) with its support (3).
(8)
Loosen the screws (1) and remove the washers (4).
(9)
Remove the CVR microphone from its support (3).
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CVR Microphone
Figure 401/TASK 23-71-13-991-001
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1 1 Feb 01/98
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TASK 23-71-13-400-001 Installation of the CVR Microphone (16RK) CAUTION : DURING THE INSTALLATION OF THE CVR MICROPHONE, MAKE SURE THAT THE
_______ PASSAGE HOLE IN THE LEFT FRONT LINING PANEL IS CONCENTRIC WITH THE MICROPHONE HEAD. THIS WILL MAKE SURE THAT THE MICROPHONE HEAD NEVER TOUCHES THE PANEL EDGES.
1.
Reason for the Job
__________________
Self Explanatory
2.
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