(2)
Put the safety barriers in position.
Subtask 57-53-00-860-086
B. Aircraft Maintenance Configuration
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
_______ CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
(1)
Extend the flaps fully (Ref. TASK 27-50-00-866-008).
(2)
Install the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) on the flap/slat control lever.
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(3) Put the access platforms below the applicable wing trailing edge at flap tracks 3 and 4, zones 532 (632) and 533 (633).
Subtask 57-53-00-865-073
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08 49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 105VU FLT CTL/SEC1/STBY SPLY 22CE B01 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21
4. Procedure
_________
(Ref. Fig. 612/TASK 57-53-00-991-013)
CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING
_______
EDGE:
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
-MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Subtask 57-53-00-110-060
A. Preparation for Inspection
(1)
Disconnect the outboard flap from the flap track 3 and 4 carriages (Ref. TASK 27-54-62-000-001). Do not remove the end stop from the flap track.
(2)
Move the applicable carriage along the flap track, until you can get clear access to the carriage forging.
(3)
Use a clamp to hold the carriage in position on the flap track. Use protective pads to stop damage to the flap track surfaces.
(4)
Use a MISCELLANEOUS (Material No. 19-003), made moist with CLEANING AGENTS (Material No. 11-026) to clean the carriage forging.
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Flap Tracks 3 and 4 - Carriage Forgings Figure 612/TASK 57-53-00-991-013
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Subtask 57-53-00-210-061
B. Inspection
(1) Examine the carriage forging. Make sure that:
-
there is no corrosion or damage
-
there are no cracks
-the surface protection is in the correct condition.
NOTE : If necessary, refer to the ASRM (Ref. ASRM 575300) for the
____
correct repair procedure.
Subtask 57-53-00-420-050
C. Installation of the Outboard Flap
(1)
Remove the clamp and the protective pads from the flap track.
(2)
Connect the outboard flap to the flap track 3 and 4 carriages (Ref. TASK 27-54-62-400-001).
5. Close-up
________ Subtask 57-53-00-865-074
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 6CV, 8CV, 21CE1, 22CE.
Subtask 57-53-00-860-087
B. Aircraft Maintenance Configuration
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER from the flap/slat control lever.
(3)
Fully retract the flaps (Ref. TASK 27-50-00-866-009).
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Subtask 57-53-00-942-061
C. Removal of Equipment
(1)
Remove the access platform(s).
(2)
Remove the warning notice(s).
(3)
Remove the safety barriers.
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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TASK 57-53-00-220-006
Special Detailed Inspection of Outer Wing Outboard Flap Tracks 3 and 4 Carriage Forgings
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
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