(f)
Turn the splined bush until the red paint marks are aligned. NOTE : The splined bush engages with the main eccentric bearing.
____ When the bush is turned the eccentric bearing also turns.
**ON A/C 001-001,
Subtask 27-51-00-820-067
J. Adjust the Rigged Position of the Inboard Flap (Ref. Fig. 523/TASK 27-51-00-991-073, 525/TASK 27-51-00-991-075)
(1)
Make sure that the trailing edge of the flap at the track 2 position touches the setting block (68).
(2)
Use the TOOL FLAP ADJUSTING to adjust the main eccentric bearings. Adjust the bearings at one track position then the other in small increments. Set the inboard flap as follows:
(a) At the track 1 and the track 2 positions, adjust the main eccentric bearings and/or the carriage restraint (78) until:
(3)
At the track 2 position: (Ref. Fig. 518/TASK 27-51-00-991-068)
1_ The dimension R at track 2 (between the trailing edge of the
flap and the fin (69)) is 20 mm (0.7874 in.) +/- 2 mm (0.0787
in.) measured from the inboard side of the fin (69).
2_ The dimension S (between the bottom surface of the shroud box
trailing-edge and the top surface of the flap at the WX500
position) is between 4.5 mm (0.1771 in.) and 8.0 mm (0.3149
in.).
(a) Push the rotary actuator drive-lever (5) forward (as far as possible) and then push it rearward until it is aligned with the flap drive-arm (4).
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Rigging Dimensions - Inboard Flap
Figure 525/TASK 27-51-00-991-075
R 1EFF : 001-001, 1 27-51-00 Page A567
1 1 Aug 01/05
1 1
1CES 1
(b)
If necessary, adjust the carriage restraint (78) together with the main eccentric bearing until the flap drive levers (4) and
(5)
are aligned. Make sure that the flap rigged position stays in the specified limits.
(c)
Loosely install the bolt (6).
(4) At the track 1 position:
(a)
Measure the dimension Q (between the flap drive-arm (4) and the rotary actuator drive-lever (5)).
(b)
If the dimension Q is less than 2 mm (0.0787 in.), a force of not more than 25 kg (55.1155 lb) can be applied to the fork of the flap drive-arm (4) to align the holes.
(c)
Loosely install the bolt (6).
(d)
If the dimension Q is more than 2 mm (0.0787 in.), then adjust the forward eccentric (in the flap drive-arm) until the dimension Q is not more than 2 mm (0.0787 in.). To do this:
(Ref. Fig. 526/TASK 27-51-00-991-076)
1_ Remove and discard the cotter pin (92).
2_ Remove the nut (95), the washer (94) and the serrated
lockwasher (96).
3_ Loosen the nut (91) sufficiently to let the eccentric bolt
(97) move.
4_ Turn the eccentric bolt (97) until the dimension Q is not more
than 2 mm (0.0787 in.) and loosely install the bolt (6).
(5)
Remove the TOOL RESTRAINING TK1 from the flap track 1 beam (Ref. Para 4.K.(2)).
(6)
Do a check of the flap rigged position again to make sure that it is in the specified limits. If the flap rigged position is not correct:
(a)
Install the TOOL RESTRAINING TK1 (98D27504039000) on the flap track 1 beam (Ref. Para 4.F.(2)).
(b)
Disconnect the track 1 flap drive levers (4) and (5).
R 1EFF : 001-001, 1 27-51-00Page A568 1 1 Aug 01/05 1 1 1CES 1
Rigging Dimension - Inboard Flap
Figure 525A/TASK 27-51-00-991-075-A
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Forward Eccentric Bearing - Track 1
Figure 526/TASK 27-51-00-991-076
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(c)
Put the track 1 main eccentric bearing back to its zero datum position.
(d)
Do steps (2) thru (6) again until the flap is in the correct rigged position.
(e)
Tighten the nut (91) and install a new cotter pin (92).
(f)
Install the serrated lockwasher (96) with the end of the bolt
(93)
through its hole.
(7)
Apply a layer of SPECIAL MATERIALS (Material No. 05-002) to the threads of the bolt (93).
(8)
Install the washer (94) and the nut (95).
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