____
 is shown in the display (4).

 (1)
 Open the door (3) of the QAR.

 (2)
 Put the disk (5) in the disk drive.

 (3)
 Push the disk fully in until it engages correctly in its chamber.

 (4)
 The DISK DETECTED indication comes into view in the display (4).

 (5)
 Close the door (3). The OQAR READY indication comes into view in the display (4).

 1EFF : 001-049, 101-105, 1 31-33-52Page 305 1 1 May 01/05 1 1 1CES 1 1EFF : 051-099, 1 31-33-52Page 306 1 1 May 01/05 1 1 1CES 1R **ON A/C 001-049, 051-099, 101-105,

R  **ON A/C 051-099, 
R  Subtask 31-33-52-020-054-A 
R  A. Removal of the Disk 
R  (1) On the QAR, make sure that the ON indicator light (2) is on. 
R  (2) Turn the two fasteners (7) and open the door (8) of the QAR. 
R  (3) Remove the disk (9). 
R  The STATUS warning light (4) is on. 
R  (4) Close the door (8) and lock it with the two fasteners (7). 
R  Subtask 31-33-52-420-054-A 
R  B. Installation of the Disk 
R  NOTE : You can put a disk into the disk drive only if the QAR is____ 
R  energized. 
R  If there is no disk in the disk drive, the STATUS warning light 
R  (4) is on. 
R  (1) Turn the two fasteners (7) and open the door (8) of the QAR. 
R  (2) Put the disk (9) in the disk drive (the arrow on the disk must be on 
R  the left side). 
R  (3) Push the disk (9) fully in until it engages correctly in its chamber. 
R  (4) Close the door (8) and lock it with the two fasteners (7). 
R  (5) The DISK LOW warning light (3) is on if the storage capacity is lower 
R  than 35 per cent. 
R  NOTE : If there is a fault, the STATUS warning light (4) stays on.____

 5. Close-up
________
 Subtask 31-33-52-410-056

 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access door 824.

 (3)
 Remove the access platform(s).
 Subtask 31-33-52-862-053

 B.
 De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 1EFF : 001-049, 051-099, 101-105, 1 31-33-52Page 307 1 1 May 01/05 1 1 1CES 1 1EFF : 051-099, 1 31-33-52Page 308 1 1 May 01/05 1 1 1CES 1 1EFF : 051-099, 1 31-33-52Page 309 1 1 May 01/05 1 1 1CES 1 1EFF : 051-099, 1 31-33-52Page 310 1 1 May 01/05 1 1 1CES 1

R  **ON A/C 051-099, 
R  TASK 31-33-52-600-005 
R  Replacement of the Cassette with the QAR (3TU) Energized 
R  WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE_______ 
R  YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. 
R  1. Reason for the Job__________________ 
R  Self Explanatory 
R  2. Job Set-up Information______________________ 
R  A. Fixtures, Tools, Test and Support Equipment 
R  -------------------------------------------------------------------------------
R  REFERENCE  QTY DESIGNATION 
R  -------------------------------------------------------------------------------
R  No specific  access platform 
R  B. Referenced Information 
R  -------------------------------------------------------------------------------
R  REFERENCE  DESIGNATION 
R  -------------------------------------------------------------------------------
R  24-41-00-861-002  Energize the Aircraft Electrical Circuits from the 
R  External Power 
R  24-41-00-862-002  De-energize the Aircraft Electrical Circuits Supplied 
R  from the External Power 
R  3. Job Set-up__________ 
R  Subtask 31-33-52-861-054 
R  A. Energize the aircraft electrical circuits 
R  (Ref. TASK 24-41-00-861-002).

R  Subtask 31-33-52-865-058 
R  B. Make sure that this(these) circuit breaker(s) is(are) closed: 
R  -------------------------------------------------------------------------------
R  PANEL DESIGNATION IDENT. LOCATION 
R  -------------------------------------------------------------------------------
　
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