-
a zero (0) value shows that no adjustment was necessary.
(e)
If the value on the label (41) is zero (0), go to step (g).
(f)
If the label (41) shows a plus or minus value, adjust the forward eccentrics to the zero datum position (Ref. TASK 27-51-00-820-004).
(g)
Put the scale block (20) on the fin (21).
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Subtask 27-51-00-480-060-A
B. Install the Outboard Flap Rigging Kit
(Ref. Fig. 516B/TASK 27-51-00-991-067-B, 518/TASK 27-51-00-991-068, 519B/TASK 27-51-00-991-069-A)
(1)
Install the PIN RIGGING-FLAPS (TRACK 1) (98D27504005000) (1) at the track 1 position.
(2)
Install the PIN RIGGING FLAPS (98D27504006000) (7) at the track 2, 3 and 4 positions.
(3)
At the track 3 and 4 positions, install the KIT-FLAP RIGGING (98D27504038001):
(a)
Install the base assembly (23) on the flap track beam (28). Make sure that the aft dowels (25) touch the track beam end-stop (24).
(b)
Move the two bottom clamps (26) into position below the flap track beam (28) and tighten the knurled screws (27).
(c)
Move the fin (21) into position in the slot on the base assembly
(23) and install the pin (22).
**ON A/C 062-099, 151-153, 204-207,
(Ref. Fig. 520/TASK 27-51-00-991-070)
**ON A/C 051-052,
(Ref. Fig. 520A/TASK 27-51-00-991-070-B) R **ON A/C 106-149, 154-199, 208-299, 401-499,
(Ref. Fig. 520B/TASK 27-51-00-991-070-A)
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Label Positions - Flap Track 3 and 4
Figure 520A/TASK 27-51-00-991-070-B
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1 1 Aug 01/05
1 1
1CES 1
Label Position - Flap Track 3 Figure 520B/TASK 27-51-00-991-070-A
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(d) Check the value shown on the label (41) attached to the outboard side of the flap track 3 beam assembly.
NOTE : Label (41) shows the assymetric offset value. This is the
____ adjustment applied to the forward eccentric bearing in the flap drive strut at tracks 3 and 4. The adjustment is necessary on some aircraft to give the correct aerodymamic balance:
-
a plus (+) value shows that the flap trailing edge was moved up
-
a minus (-) value shows that the flap trailing edge was moved down
-
a zero (0) value shows that no adjustment was necessary.
(e)
If the value on the label (41) is zero (0), go to step (g).
(f)
If the label (41) shows a plus or minus value, adjust the forward eccentrics to the zero datum position (Ref. TASK 27-51-00-820-004).
(g)
Put the scale block (20) on the fin (21).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 27-51-00-820-073
C. Set the Main Eccentric Bearings of the Outboard Flap to the Zero Datum Position
(Ref. Fig. 521/TASK 27-51-00-991-071)
NOTE : The main eccentric bearings are spherical bearings installed in
____ the flap attachment fittings at the flap carriages. A red paint mark on each bearing and fitting shows the zero datum position. The bearings are at the zero datum position when the red paint marks on the bearing and fitting are aligned.
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INTENTIONALLY BLANK
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Main Eccentric Bearing - Adjustment, Track 2, 3 and 4
Figure 521/TASK 27-51-00-991-071- 12 (SHEET 1)
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Main Eccentric Bearing - Adjustment, Track 2, 3 and 4
Figure 521/TASK 27-51-00-991-071- 22 (SHEET 2)
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(1)
On the carriage bolts (58) at the track 3 and track 4 positions:
(a)
Remove and discard the cotter pin (54) from the nut (53).
(b)
Remove these items:
