SKIN PANELS AND DOORS - REMOVAL/INSTALLATION
____________________________________________ TASK 54-53-11-000-001 Removal of the Pressure Relief Door WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
 No specific access platform 1.5 m (4 ft. 11 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
78-30-00-481-041  Make the Thrust Reverser Unserviceable for Maintenance 54-53-11-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 54-53-11-941-050
 A. Safety Precautions
 (1)
 On the center pedestal, on the ENG panel 115VU:

 (a) Put a warning notice to tell persons not to start the engine.

 (2)
 Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

 (3)
 On the overhead maintenance panel 50VU:

 (a)
 Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

 (b)
 Put a warning notice to tell persons not to energize the FADEC 1(2).

 Subtask 54-53-11-010-052
 B. Get Access
 (1) Put an access platform in position :
 (a) at the zone 470 for the left pylon.
 (b) at the zone 480 for the right pylon. Subtask 54-53-11-040-050
 C. Aircraft Maintenance Configuration
 (1) Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
 4. Procedure
_________ Subtask 54-53-11-020-050
 A. Removal of the Pressure Relief Door
 (Ref. Fig. 401/TASK 54-53-11-991-001)

 (1)
 Remove the eight screws (5) and washers (6).

 (2)
 Remove the panel (9).

 (3)
 Remove the nuts (8) and the screws (1).

 (4)
 Remove the nuts (7), the screws (4) and the washers (3).

 (5)
 Remove the pressure relief door (2).

 Pressure Relief Door
 Figure 401/TASK 54-53-11-991-001
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 TASK 54-53-11-400-001

 Installation of the Pressure Relief Door
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
78-30-00-081-041  Make the Thrust Reverser Serviceable after Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for Maintenance 54-53-11-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 54-53-11-869-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the access platform is in position

 (2)
 Make sure that the warning notice is in position

 (3)
 Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).

 4. Procedure
_________ Subtask 54-53-11-420-050
 A. Installation of the Pressure Relief Door
 (Ref. Fig. 401/TASK 54-53-11-991-001)

 (1)
 Put the pressure relief door (2) in position.

 (2)
 Install the washers (3), the screws (4), the nuts (7) and tighten them.

 (3)
 Install the screws (1), the nuts (8) and tighten them.

 (4)
 Install the panel (9).

 (5)
 Install the washers (6), the screws (5) and tighten them.

 5. Close-up
________
 Subtask 54-53-11-440-050
　
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