Flap Track Fairings Nos. 2, 3 and 4 - Installation Dimensions
 Figure 405/TASK 57-55-11-991-004

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 (2)
 For the track 2, the track 3 and the track 4 positions, align the control rod (54) with the flap drive arm (46). Temporarily install the bolt (58), the bush (47), the washer (48) and the nut (49).

 (3)
 Temporarily install the forward and the aft fixed fairings as follows:

 (a)
 For the track 2 and the track 3 positions:

 (b)
 For the track 4 position: 1 Connect the aft fixed fairing spigot (23) in the key-hole

 1_ Install the aft fixed fairing with the bolts (6), the bolts
 (18), the washers (16) and the nuts (15). Do not fully tighten
 the nuts (15).
 2_ Locate the spigot (3) in the key-hole plate.
 3_ Install the forward fixed fairing with the bolts (2).

_ plate and install the bolts (6).
 2 Locate the spigot (3) in the key-hole plate.
_
 3 Connect the forward fixed fairing with the bolts (2).

_

 (4)
 Do a check of the fairing rigged position as follows:

 (a)
 For the track 3 and the track 4 positions, measure the dimension 'a', which must be between 5 mm (0.1968 in.) and 8 mm (0.3149 in.).

 (b)
 For the track 2 position, measure the dimension 'a', which must be between 4 mm (0.1574 in.) and 8 mm (0.3149 in.).

 (c)
 Measure the dimension 'b', which must be between 7 mm (0.2755 in.) and 11 mm (0.4330 in.).

 (5)
 For the track 2 and the track 3 positions, adjust the length of the rod end (17). After adjustment, make sure that you can see the threads of the rod end (17) in its support bracket inspection hole. Safety with MISCELLANEOUS (Material No. 19-010).

 (6)
 Adjust the splined-fittings (43) as follows:

 (a) Turn the splined fitting (43) counterclockwise until the adjusters (42) touch the spherical bearings of the pivot.
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 (b)
 Measure the dimension 'e' at each side of the pivot. The dimension must be between zero, +/- 1 mm (0.0393 in.). If necessary, turn the splined fittings (43) clockwise or counterclockwise, as applicable, until the dimension 'e' is correct.

 (c)
 Measure the dimension 'g', which must be 2 mm (0.0787 in.) minimum.

 (d)
 Install the bolts (44) and safety with MISCELLANEOUS (Material No. 19-010) to the splined-fittings (43), then install the push-fit covers (45).

 (7)
 At the track 2 and the track 3 positions, remove the bolts (2), (6) and (18), and remove the forward and aft fixed fairings.

 (8)
 At the track 4 position, remove the bolts (2) and (6), and remove the forward and aft fixed fairings.

 (9)
 Install the bonding straps (37), (39) and (41) with the bolts (35)
 and (38) and the nuts (36) and (40) (Ref. TASK 20-28-00-912-004).

 (10) Install the top cover (24).
 (a)
 Temporarily install the top cover (24), with some of the screws (25).

 (b)
 Measure the dimension 'c', which must be between 9 mm (0.3543 in.) and 13 mm (0.5118 in.).

 (c)
 For the track 2 position, measure the dimension 'd', which must be between 14 mm (0.5511 in.) and 18 mm (0.7086 in.).

 (d)
 For the track 3 and the track 4 positions, measure the dimension 'd', which must be between 11 mm (0.4330 in.) and 15 mm (0.5905 in.).

 (e)
 For the track 2 position, measure the dimension 'f', which must be between 4 mm (0.1574 in.) and 6 mm (0.2362 in.).

 (f)
 For the track 3 and the track 4 positions, measure the dimension 'f', which must be between 1 mm (0.0393 in.) and 3 mm (0.1181 in.).

 (g)
 For the track 2, the track 3 and the track 4 positions, if the dimensions 'c', 'd' or 'f' are out of limits, continue as follows:

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 1 Remove the screws (25), and the top cover (24).
_
 2_ Hold the movable fairing and remove the nut (49), the washer
 (48), the bush (47) and the bolt (58).
 3_ Remove and discard the lockwire from the tabwasher (53) and
 release the nut (52).
 4_ Adjust the rod end (51) as necessary and tighten the nut (52).
 5_ Align the control rod (54) with the flap drive arm (46) and
　
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