Subtask 52-92-00-210-050
B. Inspection of the Overpressure Release Door
(1)
Examine the overpressure release door (2) for damage. Replace the door if necessary.
(2)
Examine the tension springs, the support, the connecting link and the spring connecting link for damage or wear. Replace the items if necessary.
(3)
Examine the hinge for damage or wear. Replace the hinge if necessary.
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Overpressure Release Door
Figure 601/TASK 52-92-00-991-001
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1 1
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5. Close-up
________ Subtask 52-92-00-410-050
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the APU access doors 316AR, 315AL. Subtask 52-92-00-942-050
B. Put the aircraft back to its initial configuration.
(1) Remove the access platform(s).
(2)
Remove the warning notice(s). Subtask 52-92-00-865-051
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD
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DOOR - OVERPRESSURE RELEASE, APU COMPARTMENT - REMOVAL/INSTALLATION
___________________________________________________________________ TASK 52-92-11-000-001 Removal of the APU Compartment Overpressure Release Door
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 warning notice
No specific access platform(s) 5.0 m (16 ft. 5 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
52-41-00-010-001 Open the APU Doors for Access 52-92-11-991-001 Fig. 401
3. Job Set-up
__________ Subtask 52-92-11-010-050
A. Open the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-010-001). Subtask 52-92-11-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
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Subtask 52-92-11-860-050
C. Aircraft Maintenance Configuration
(1) Put the access platform(s) in position.
(2) Put the warning notice in the flight compartment to tell persons not
to start the APU.
4. Procedure_________
(Ref. Fig. 401/TASK 52-92-11-991-001)
Subtask 52-92-11-020-050
A. Removal of the Overpressure Release Door
R (1) Loosen the nut (1) to release the pre-tension of the springs (6).
R (2) Disconnect the connection link (13) from the overpressure release
R door (18) as follows:
R
R (a) Remove and discard the cotter pin (9) from the pin (7) and
R collect the washer (8).
R
R (b) Remove the pin (7) from the door bracket (12) and disconnect the
R the connection link (13) from the door bracket (12).
R (3) Remove the nut (23), the washer (24), the bolt (26) and the bonding
R strap (27) from the bonding angle (25) of the door bracket (19).
R
R (4) Remove the overpressure release door (18) as follows:
R (a) Remove the screws (22) and the washers (21) to disconnect the
R door bracket (19) from the fuselage hinge bracket (20).
R (b) Disassemble the overpressure release door (18) from the fuselage
R opening.
R (5) If necessary, disassemble the spring linkage as follows:
R
R (a) Remove the nut (1) and the washer (2) from the spring retainer
R (3) and disassemble it from the support bracket (23).
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