(6)
 Make sure that a COLLAR-SAFETY, SPOILER is installed on each of the servo controls.

 (7)
 Make sure that the flap track No. 3 and No. 4 movable fairings have been lowered (Ref. TASK 57-55-11-010-002).

 (8)
 Make sure that the flap kink seals have been removed (Ref. TASK 27-54-61-000-002).

 4. Procedure
_________
 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 27-54-62-420-085
 A. Preparation for Installation
 (1)
 Remove the covers from the flaps.

 (2)
 Clean the component interface and/or the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).

 (3)
 Do an inspection of the component interface and/or the adjacent area.

 (4)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

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 (5)
 At the track 3 and the track 4 positions:
 (Ref. Fig. 413/TASK 27-54-62-991-039, 415/TASK 27-54-62-991-024,
 416/TASK 27-54-62-991-025)

 (a)
 Make sure that the rotary actuator drive-levers (128) are in the fully extended position.

 (b)
 Make sure that the carriage assemblies touch the end stops (149).

 (c)
 Make sure that the DISTANCE GAUGES (98D27504115000) (86) and (89) are installed.

 (6)
 Make sure that the Z-coupling lever (17) on the outboard flap and the Z-coupling lever (27) on the inboard flap are held with adhesive tape. (Ref. Fig. 410/TASK 27-54-62-991-022)

 (7)
 If necessary, remove the flap guide-roller assembly (Ref. TASK 27-54-63-000-001).

 (8)
 If necessary, remove the interconnecting strut from the inboard flap (Ref. TASK 27-51-44-000-001).

 (9)
 At the track 3 position, if installed, remove the tab drive
 control-rod (50) from the flap attachment bracket (44):
 (Ref. Fig. 411/TASK 27-54-62-991-023)

 (a)
 Remove and discard the cotter pin (46).

 (b)
 Remove the nut (47), the washer (48), the bolt (43) and the loose bush (49).

 (10) At the track 4 position, if installed, remove the tab drive control-rod (73) from the flap attachment bracket (67): (Ref. Fig. 412/TASK 27-54-62-991-038)
 (a)
 Remove and discard the cotter pin (69).

 (b)
 Remove the nut (70), the washer (71), the bolt (66) and the loose bush (72).

 1EFF : 301-399, 1 27-54-62Page 457 1 1 May 01/05R 1 1 1CES 1

 Subtask 27-54-62-420-063-A
 B. Installation of the Outboard Flap
 (1)
 If necessary, install the hoisting sling (Ref. TASK 27-50-00-400-002).

 (2)
 Make sure that the blade seal (164) is in the fully retracted position. (Ref. Fig. 418/TASK 27-54-62-991-027)

 (3)
 Remove the cushion seal (175) and make sure that the cruise roller

 (180) (at the inboard end of the outboard flap) is aligned at the
 minimum position.
 (Ref. Fig. 419/TASK 27-54-62-991-028)

 (4)
 Install the flap on the wing:
 (Ref. Fig. 416/TASK 27-54-62-991-025)

 CAUTION : MAKE SURE THAT THE FLAP DOES NOT HIT THE AIRCRAFT
_______
 STRUCTURE.

 (a)
 With the hoist and the hoisting sling, carefully lift the flap and put it in position above the wing.

 (b)
 Lower the flap and engage the spherical bearings in the flap track 3 and the flap track 4 carriages.

 (5)
 Make sure that the flap spherical bearing is set to its nominal position. At this position:

 -
the painted (red) marks on the spherical bearing are aligned, and/or

 -
the hole of the spherical bearing is at its maximum aft position.

 (a) If necessary, repair the painted (red) marks.

 (6)
 Apply a thin layer of COMMON GREASE (Material No. 04-022) to the bolts (150).

 (7)
 If necessary, install:
 (Ref. Fig. 417/TASK 27-54-62-991-030)

 -
the EXTRACTOR - PIN TRACKS 2 AND 3 (98D27504083000) at the track 3 carriage to the bolt (150)
　
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