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R  121VU RCDR/ACCLRM 9TU K18 
R  121VU FDIU & QAR 8TU K17 
R  Subtask 31-33-52-010-056 
R  C. Get Access 
R  (1) Put the access platform in position at the access door 824. 
R  (2) Open the access door 824. 
R  4. Procedure_________ 
R  Subtask 31-33-52-020-055 
R  A. Removal of the Cassette 
R  (1) Loosen the two wing nuts (5) and open the door (4) of the QAR. 
R  (2) Lift and pull the cassette extraction/locking lever (3) to eject the 
R  cassette (2). 
R  (3) Remove the cassette (2). 
R  (4) Lower the extraction/locking lever (3). 
R  (5) Close the door (4) and lock it with the two wing nuts (5). 
R 
R  NOTE : The removal of the cassette does not cause track reset.____ 
R  Subtask 31-33-52-420-055 
R  B. Installation of the Cassette 
R  (1) Loosen the two wing nuts (5) and open the door (4) of the QAR. 
R  (2) Lift the cassette extraction/locking lever (3).

 

R  (3) Install the cassette (2) with the shutter protection on the 
R  extraction/locking lever side. 
R  (4) Push the cassette (2) fully in until it engages correctly in its 
R  chamber. 
R  (5) Lower the extraction/locking lever (3). 
R  (6) Close the door (4) and lock it with the two wing nuts (5). 
R 
R  NOTE : The installation of the cassette automatically sets the track____ 
R  1. This track number is kept in a non-volatile memory. The 
R  position of the sticker is not important. 
R  5. Close-up________ 
R  Subtask 31-33-52-410-057 
R  A. Close Access 
R  (1) Make sure that the work area is clean and clear of tool(s) and other 
R  items. 
R  (2) Close the access door 824. 
R  (3) Remove the access platform(s). 
R  Subtask 31-33-52-862-054 
R  B. De-energize the aircraft electrical circuits 
R  (Ref. TASK 24-41-00-862-002).

 

 RECORDER - QUICK ACCESS (QAR) (3TU) - REMOVAL/INSTALLATION
__________________________________________________________ TASK 31-33-52-000-001 Removal of the Quick Access Recorder (QAR) (3TU)
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 1.6 m (5 ft. 3 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-33-52-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 31-33-52-010-050
 A. Get Access
 (1)
 Put the access platform in position in zone 128, at the access door

 824.

 (2)
 Open the access door 824.

R 1EFF : 001-049, 051-099, 101-105, 1 31-33-52Page 401 1 1 May 01/05 1 1 1CES 1 Subtask 31-33-52-865-050

 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU RCDR/ACCLRM 9TU K18 121VU FDIU & QAR 8TU K17
 4. Procedure
_________
 (Ref. Fig. 401/TASK 31-33-52-991-001) Subtask 31-33-52-020-050
 A. Removal of the Quick Access Recorder (QAR)
 (1)
 Loosen the nuts (4).

 (2)
 Lower the nuts (4).

 (3)
 Pull the QAR (1) on its rack (3) to disconnect the electrical connectors (2).

　
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