(2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 Subtask 31-33-16-860-053
 B. Put the aircraft back to its initial configuration.
 1EFF : ALL 1 31-33-16Page 409 1 1 Aug 01/05 1 1 1CES 1

 INTERFACE UNIT - FLIGHT DATA (FDIU) (2TU) - REMOVAL/INSTALLATION
________________________________________________________________
R TASK 31-33-34-000-001 Removal of the Flight Data Interface Unit (FDIU) (2TU)
 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)
 No specific access platform 1.6 m (5 ft. 3 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-33-34-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 31-33-34-865-050

 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU FDIU & QAR 8TU K17
R 1EFF : 001-049, 051-099, 101-105, 151-158, 1 31-33-34Page 401 1201-209, 1May 01/05 1 1 1CES 1 Subtask 31-33-34-941-050

 B. Get Access
 (1)
 Put the access platform in position in zone 128, at the access door

 824.

 (2)
 Open the access door 824.

 4. Procedure
_________
 (Ref. Fig. 401/TASK 31-33-34-991-001) Subtask 31-33-34-020-050
 A. Removal of the Flight Data Interface Unit (FDIU)
 (1)
 Loosen the nut (4).

 (2)
 Lower the nut (4).

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

 (4)
 Remove the FDIU (1) from its rack (3).

 (5)
 Put blanking caps on the disconnected electrical connectors.

R 1EFF : 001-049, 051-099, 101-105, 151-158, 1 31-33-34Page 402 1201-209, 1May 01/05 1 1 1CES 1

 Flight Data Interface Unit (FDIU)
 Figure 401/TASK 31-33-34-991-001

R 1EFF : 001-049, 051-099, 101-105, 151-158, 1 31-33-34Page 403 1201-209, 1May 01/05 1 1 1CES 1

 TASK 31-33-34-400-001
 Installation of the Flight Data Interface Unit (FDIU) (2TU)

 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 1.6 m (5 ft. 3 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
31-33-00-710-006 Operational Check of DFDR System via MCDU 52-41-00-410-002 Close the Avionics Compartment Doors after Access 31-33-34-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 31-33-34-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the access platform is in position at the access door 824 in zone 128.

 (2)
 Make sure that the access door 824 is open.

R 1EFF : 001-049, 051-099, 101-105, 151-158, 1 31-33-34Page 404 1201-209, 1May 01/05 1 1 1CES 1 Subtask 31-33-34-865-051

 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU FDIU & QAR 8TU K17
 4. Procedure
_________
 (Ref. Fig. 401/TASK 31-33-34-991-001) Subtask 31-33-34-420-050
 A. Installation of the Flight Data Interface Unit (FDIU)
 (1)
 Clean the component interface and/or the adjacent area.
　
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