(2)
 Do an inspection of the component interface and/or the adjacent area.

 (3)
 Remove the blanking caps from the electrical connectors (2).

 (4)
 Make sure that the electrical connectors (2) are clean and in the correct condition.

 (5)
 Install the FDIU (1) on its rack (3).

 (6)
 Push the FDIU (1) on its rack (3) to connect the electrical connectors (2).

 (7)
 Engage the nut (4) on the lug (5) and tighten. Subtask 31-33-34-865-052

 B.
 Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 8TU

 Subtask 31-33-34-710-051
 C. Do the operational test of the FDIU (Ref. TASK 31-33-00-710-006).
R 1EFF : 001-049, 051-099, 101-105, 151-158, 1 31-33-34Page 405 1201-209, 1May 01/05 1 1 1CES 1

 5. Close-up
________ Subtask 31-33-34-860-051
 A. Make sure that the work area is clean and clear of tool(s) and other items.
 Subtask 31-33-34-410-050
 B. Close Access
 (1)
 Close the access door 824. (Ref. TASK 52-41-00-410-002)

 (2)
 Remove the access platform(s).

R 1EFF : 001-049, 051-099, 101-105, 151-158, 1 31-33-34Page 406 1201-209, 1May 01/05 1 1 1CES 1 RECORDER - QUICK ACCESS (QAR) (3TU) - SERVICING

_______________________________________________
 TASK 31-33-52-600-004
 Replacement of the Disk with the QAR (3TU) Energized
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific access platform
 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

R **ON A/C 001-049, 101-105,
 31-33-52-991-004 Fig. 301 R **ON A/C 051-099,
R 31-33-52-991-004-A Fig. 301A
R 1EFF : 001-049, 051-099, 101-105, 1 31-33-52Page 301 1 1 May 01/05 1 1 1CES 1

R  **ON A/C 001-049, 051-099, 101-105,
 3. Job Set-up__________ Subtask 31-33-52-861-053
 A. Aircraft Maintenance Configuration (1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 31-33-52-865-057
 B. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU RCDR/ACCLRM 9TU K18 121VU FDIU & QAR 8TU K17
 Subtask 31-33-52-010-059
 C. Get Access
 (1) Put the access platform in position at the access door 824. (2) Open the access door 824. 4. Procedure_________ 
R  **ON A/C 001-049, 101-105,
R  (Ref. Fig. 301/TASK 31-33-52-991-004) **ON A/C 051-099, 
R  (Ref. Fig. 301A/TASK 31-33-52-991-004-A) 

R 1EFF : 001-049, 051-099, 101-105, 1 31-33-52Page 302 1 1 May 01/05 1 1 1CES 1

 QAR Disk
 Figure 301/TASK 31-33-52-991-004

R 1EFF : 001-049, 101-105, 1 31-33-52Page 303 1 1 May 01/05 1 1 1CES 1

R  QAR Disk 
R  Figure 301A/TASK 31-33-52-991-004-A 
R 1EFF :  051-099,  1  31-33-52 Page 304 
1  1  May 01/05
 1  1
 1CES  1

R **ON A/C 001-049, 101-105,
 Subtask 31-33-52-020-054
 A. Removal of the Disk
 (Ref. Fig. 301/TASK 31-33-52-991-004)

 (1)
 On the QAR, make sure that:

 -
the POWER FAIL indication is not shown in the display (4).

 -
the FAULT WARNING light (1) is off.

 (2)
 Open the door (3) of the QAR.

 (3)
 Push the EJECT key (2).
 The EJECTING indication comes into view.

 (4)
 When the disk (5) is ejected, remove it from the disk drive.

 (5)
 Close the door (3) of the QAR.
 Subtask 31-33-52-420-054

 B.
　
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