(a)
Make sure that the rotary actuator drive-levers (110) are in the fully extended position.
(b)
Make sure that the frangible covers (105) are not damaged or loose.
(6)
Make sure that the flap track 2 carriage touches the end stop (130). (Ref. Fig. 422/TASK 27-54-61-991-018)
(7)
Make sure that the items that follow are held with adhesive tape: (Ref. Fig. 417/TASK 27-54-61-991-019, 418/TASK 27-54-61-991-017, 424/TASK 27-54-61-991-020)
-
the Z-coupling lever (15) on the outboard flap
-
the Z-coupling lever (25) on the inboard flap
-
the tab drive control-rod (36) at the hinge 1A position
-
the electrical cables (144) and (145).
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(8) At the track 2 position, if installed, remove the tab drive control-rod (68) from the flap attachment bracket (62). (Ref. Fig. 419/TASK 27-54-61-991-026)
(a)
Remove and discard the cotter pin (63).
(b)
Remove the nut (64), the washer (65), the bolt (61) and the loose bush (66).
Subtask 27-54-61-420-062-A
B. Installation of the Inboard Flap
(1)
If necessary, install the hoisting sling (Ref. TASK 27-50-00-400-002).
(2)
Remove the temporarily installed items that follow from the flap drive trunion (165): (Ref. Fig. 425/TASK 27-54-61-991-022-A)
-
the bolt (159)
-
the tabwasher (160)
-
the retainer (161)
-
the nut (162)
-
the tabwasher (158)
-
the toothplate (157)
-
the eccentric bush (163).
(3)
Put the spacer (164) in position on the flap drive trunnion (165).
(4)
Apply a thin layer of COMMON GREASE (Material No. 04-022) to the flap drive trunnion (165).
(5)
Install the flap on the wing:
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 flap drive trunnion (165) in the flap-track carriage (169) at the track 1 position.
(6) Make sure that the spacer (164) is correctly in position on the flap drive trunion (165).
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(7)
Install the eccentric bush (163) on the flap drive trunnion (165). If necessary, carefully move the flap with the hoist and the sling to let you install the eccentric bush (163). Make sure that the eccentric bush (163) engages into the spacer (164).
(8)
Temporarily install:
-
the toothplate (157)
-
the new tabwasher (158)
-
the locknut (162), do not fully tighten at this time
-
the retainer (161)
-
the new tabwasher (160)
-
the bolt (159).
(9)
Lower the outboard end of the flap and engage the spherical bearing in the flap track 2 carriage. (Ref. Fig. 422/TASK 27-54-61-991-018)
CAUTION : MAKE SURE THAT THE DISCONNECTED PARTS DO NOT TOUCH AND/OR
_______ CATCH THE ADJACENT STRUCTURE WHEN YOU MOVE THE FLAP. THIS WILL PREVENT DAMAGE TO THE WING.
(a) Make sure that the 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.
(b) If necessary, repair the painted (red) marks.
(10)
Apply a thin layer of COMMON GREASE (Material No. 04-022) to the bolt
(132) and the splined bush (121).
(11)
If necessary, install the EXTRACTOR - PIN TRACKS 2 AND 3 (98D27504083000) to the carriage bolt (132). (Ref. Fig. 423/TASK 27-54-61-991-015)
NOTE : Make sure that you screw the extractor tool fully on to the
____ threads. This will let the carriage bushes compress the retaining wire ring (131) when the bolt (132) is installed.
(12) Install the splined bush (121).
CAUTION : MAKE SURE THAT THE SPLINED BUSH IS FULLY ENGAGED WITH THE
_______ SPHERICAL BEARING. THIS PREVENTS DAMAGE TO THE PARTS.
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(13) Install the carriage bolt assembly as follows: CAUTION : DO NOT REMOVE THE RETAINING WIRE RING FROM THE CARRIAGE
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