C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
57-41-37-000-004 Removal of the Pressure-Relief Panels 521AB(621AB), 521CB(621CB), 521EB(621EB), 522AB(622AB), 522CB(622CB)
57-41-37-400-002 Installation of the Pressure-Relief Panels 521AB(621AB), 521CB(621CB), 521EB(621EB), 522AB(622AB), 522CB(622CB)
57-27-11-991-006 Fig. 405
3. Job Set-up
__________ Subtask 57-27-11-941-064
A. Safety Precautions
(1)
Make sure that the safety barriers are in position.
(2)
Make sure the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) is correctly installed on the flap/slat control lever.
(3)
Make sure the warning notices are in position in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-27-11-010-064
B. Get Access
(1)
Make sure the access platform is in position below the wing leading-edge, zone 521(621).
(2)
Make sure the leading-edge pressure-relief panel 521EB(621EB) has been removed (Ref. TASK 57-41-37-000-004).
4. Procedure
_________
(Ref. Fig. 405/TASK 57-27-11-991-006)
Subtask 57-27-11-110-055
A. Preparation for Installation
(1)
Use a MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-026) to clean the interfaces of:
-
the access panel (1)
-
the access panel assembly (2)
-
the front spar.
(2)
Examine for damage the interfaces of:
-
the access panel (1)
-
the access panel assembly (2)
-
the front spar skin.
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-228, 301-302,
Subtask 57-27-11-420-056
B. Installation of the Access Panel(s)
(1)
Make sure that the work area is clean and clear of tools and equipment before you install the access panel (1) and the access panel assembly (2).
(2)
Apply SEALANTS (Material No. 09-001) to the interfaces of:
-
the access panel (1)
-
the access panel assembly (2)
-
the front spar.
(3)
Put the access panel assembly (2) in position on the aft face of the front spar.
(4)
Put the access panel (1) in position on the forward face of the front spar.
(5)
Install and tighten the bolts (3).
R **ON A/C 106-149, 229-299, 303-399, 401-499,
Subtask 57-27-11-420-056-A
B. Installation of the Access Panel(s)
(1)
Make sure that the work area is clean and clear of tools and equipment before you install the access panel (1) and the access panel assembly (2).
(2)
Apply SEALANTS (Material No. 09-018) to the interfaces of:
-
the access panel (1)
-
the access panel assembly (2)
-
the front spar.
(3)
Put the access panel assembly (2) in position on the aft face of the front spar.
(4)
Put the access panel (1) in position on the forward face of the front spar.
(5) Install and tighten the bolts (3).
**ON A/C ALL
Subtask 57-27-11-410-058
C. Close Access
(1) Install the applicable leading-edge pressure-relief panel 521EB(621EB) (Ref. TASK 57-41-37-400-002).
5. Close-up
________
Subtask 57-27-11-942-058
A. Removal of Equipment
(1)
Remove the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) from the flap/slat control lever.
(2)
Remove the warning notice(s).
(3)
Remove the access platform(s).
(4)
Make sure that the work area is clean and clear of tool(s) and other items.
(5)
Remove the safety barriers.
INTENTIONALLY BLANK
R 1 1
57-27-11Page 470
1 1 May 01/05 1 1 1CES 1
TASK 57-27-11-000-007
R Removal of the Closing Panel 540CZ(640CZ),540DZ(640DZ)
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
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