(b)
Remove the pin (82) and remove the fin (81) from the base assembly (83).
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(c) Loosen the knurled screws (87) and remove the base assembly (83) from the flap track beam (88).
(3) Measure the clearance of the flap guide-roller and adjust if necessary (Ref. TASK 27-54-63-400-001).
Subtask 27-51-00-480-068
H. Install Distance Gages On the Tab of the Inboard Flap
(Ref. Fig. 532/TASK 27-51-00-991-081, 533/TASK 27-51-00-991-082, 539/TASK 27-51-00-991-092)
(1)
Manually extend the flap to the fully extended position (Ref. TASK 27-50-00-866-011).
(2)
Disconnect the top tab-drive control-rod (109) from the shroud box assembly attachment-bracket (114):
(a)
Remove and discard the cotter pin (118).
(b)
Remove the nut (117), the washer (116) and the bolt (115).
(c)
Hold the tab drive control-rod (109) to the flap with adhesive tape.
(Ref. Fig. 533/TASK 27-51-00-991-082)
(3)
Hold the tab and disconnect the tab drive control-rod (42) from the track 2 carriage (30).
(a)
Remove and discard the cotter pin (33).
(b)
Remove the nut (34), the washer (32), the bolt (44) and the loose bush (31).
(4)
Carefully, let the tab move to its fully extended position. (Ref. Fig. 532/TASK 27-51-00-991-081)
(5)
Install the DISTANCE GAUGES (98D27504114000) (26) and (28):
(a)
Manually push the tab forward.
(b)
At the hinge 1A position, put the distance gage (22) in position.
(c)
Install the rear pin (23).
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Hinge 1A - Inboard Flap
Figure 539/TASK 27-51-00-991-092
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(d)
Install the forward pin (20) and lock with the knurled screw (21).
(e)
At the track 2 position, put the distance gage (26) in position.
(f)
Install the forward pin (24) and lock with the knurled screw (25).
(g)
Install the rear pin (27) and lock with the knurled screw (28).
(6) Manually retract the flap to the fully retracted position (Ref. TASK 27-50-00-866-012).
Subtask 27-51-00-480-067
J. Install the Inboard Flap Rigging Kit
(Ref. Fig. 529/TASK 27-51-00-991-079, 534/TASK 27-51-00-991-083, 540/TASK 27-51-00-991-088)
(1)
Install the PIN RIGGING FLAPS (98D27504006000) (70) in the drive-lever (74) at track 1.
(2)
At the track 1 position install the TOOL RESTRAINING TK1
(98D27504100000).
(a)
Put the tool assembly in position on the flap track beam (122).
(b)
Engage the side-plates (121) in the flap track beam (122) and install the pins (124).
(c)
Connect the stop (126) to the flap carriage (120).
(d)
Adjust the screw (125) with the knob (123) until the flap carriage (120) is held in position.
(3)
At the track 2 position, install the KIT-FLAP RIGGING
(98D27504113001):
(a)
Install the base assembly (130) on the flap track beam (135). Make sure that the aft dowels (132) touch the track beam end-stop (131).
(b)
Move the two bottom clamps (133) into position below the flap track beam (135) and tighten the knurled screws (134).
(c)
Put the scale block (127) on the fin (128).
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Rigging Kit Installation - Inboard Flap Figure 540/TASK 27-51-00-991-088- 12 (SHEET 1)
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Rigging Kit Installation - Inboard Flap Figure 540/TASK 27-51-00-991-088- 22 (SHEET 2)
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(4) Disconnect the flap drive-arm (73) and the rotary actuator drive-lever (74) at the track 1 position (Ref. TASK 27-54-61-000-003).
Subtask 27-51-00-820-079
K. Set the Main Eccentric Bearings of the Inboard Flap to the Zero Datum Position
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