At track 1, an eccentric bush (145) is installed in the bearing
(146). A pin on the eccentric bush (145) engages with the
toothplate (144). The bearing (146) is at zero datum when the pin
on the eccentric bush (145) is at the position shown.
(Ref. Fig. 541/TASK 27-51-00-991-089)
At track 2, red paint marks on the bearing and on the fitting show
the zero datum position. The bearing is at the zero datum position
when the red paint marks are aligned.
(Ref. Fig. 537/TASK 27-51-00-991-086)
Adjust the bearings at one track position and then the other in
small equal increments.
(1) At the track 1 position set the main eccentric bearing to the zero datum position as follows:
(a)
Remove and discard the lockwire from the bolt (140).
(b)
Remove these items:
-
the bolt (140)
-
the stop (141)
-
the nut (142)
-
the lockwasher (143)
-
the toothplate (144).
(c) Use the TOOL - FLAP ADJUSTING, TRACK 1 (98D27504085000) to move the eccentric bush (145) to the position shown. (Ref. Fig. 541/TASK 27-51-00-991-089)
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Main Eccentric Bearing Adjustment - Track 1 Figure 541/TASK 27-51-00-991-089- 12 (SHEET 1)
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Main Eccentric Bearing Adjustment - Track 1 Figure 541/TASK 27-51-00-991-089- 22 (SHEET 2)
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(2) At the track 2 position set the main eccentric bearing to the zero datum position as follows:
(a)
Remove and discard the cotter pin (113) from the nut (112).
(b)
Remove these items:
-
the nut (104)
-
the crushable spacer (103)
-
the nut (106) and the washer (107)
-
the locking plate (102).
(c)
Engage the TOOL - FLAP ADJUSTING, TRACKS 2 AND 3 (98D27504081000) with the splined bush in the flap carriage.
(d)
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.
Subtask 27-51-00-820-080
L. Adjust the Rigged Position of the Inboard Flap (Ref. Fig. 540/TASK 27-51-00-991-088, 542/TASK 27-51-00-991-090)
(1)
Make sure that scale block (127) is in position on the fin (128).
(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 until:
1_ At track 2, the top surface of the flap aligns +/- 1.0 mm
(0.0393 in.) with the zero line on the scale block (127).
NOTE : Look inboard from the outside of the flap track beam____
when you read the scale block.
2_ The dimension S (between 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.).
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Rigging Dimensions - Inboard Flap Figure 542/TASK 27-51-00-991-090- 12 (SHEET 1)
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Rigging Dimensions - Inboard Flap Figure 542/TASK 27-51-00-991-090- 22 (SHEET 2)
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(3) At the track 1 position:
(a) Connect the flap drive-arm (73) and the rotary actuator drive-lever (74). To align drive-arm (73) and drive-lever (74) you may have to adjust the forward eccentric in the flap drive-arm (73). To do this:
(Ref. Fig. 543/TASK 27-51-00-991-091)
1 Remove and discard the cotter pins (159) and (160).
_
2 Release the tab washers (151) and (154) from the bolts (152)
_
and (153).
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