(a)
Manually push the tab forward and install the DISTANCE GAUGES (98D27504115000) (86) and (89) at the track 3 and the track 4 positions.
(b)
At the track 3 position, put a distance gage (86) in position each side of the track and install the pins (87) and (88).
(c)
At the track 4 position, put the distance gage (89) in position and install the pin (90).
(8) Check the value on the label (101) attached to the outboard side of the flap track 3 beam assembly: (Ref. Fig. 414/TASK 27-54-62-991-040)
(a) If the value on the label (101) is '0', do not adjust the forward eccentrics.
NOTE : At the '0' position, the punch marks (108) on the forward
____ eccentrics will be aligned to the zero datum position.
(9) If the value on the label (101) is not '0', adjust the forward eccentrics to the zero datum position (Ref. TASK 27-51-00-820-004).
Subtask 27-54-62-480-051
F. Installation of the Hoisting Sling CAUTION : OPERATE THE HOIST SLOWLY, WHEN YOU PUT THE SLING IN TENSION. DO
_______ NOT TRY TO REMOVE THE FLAP BECAUSE THIS WILL CAUSE DAMAGE.
(1)
Install the hoisting sling (Ref. TASK 27-50-00-400-002).
(2)
Use the hoist to carefully lift the hoisting sling until it holds the weight of the outboard flap.
Subtask 27-54-62-860-055
G. Aircraft Maintenance Configuration
(1)
Fully extend the applicable spoilers 2, 3, 4 and 5 (Ref. TASK 27-60-00-866-002).
(2)
Put a COLLAR-SAFETY, SPOILER on the piston rod of each servo-control.
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Outboard Flap Forward-Eccentrics - Location and Detail
Figure 414/TASK 27-54-62-991-040
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4. Procedure
_________
CAUTION : BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING
_______
EDGE:
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
-
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
-MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Subtask 27-54-62-020-053
A. Removal of the Outboard Double-Slotted Flap
(Ref. Fig. 415/TASK 27-54-62-991-024, 416/TASK 27-54-62-991-025)
(1) Disconnect the flap drive arms (124) from the rotary actuator drive-levers (128) at the track 3 and the track 4 positions:
CAUTION : SUPPORT THE FLAP ALONG THE FULL LENGTH OF THE TRAILING
_______ EDGE. THIS WILL PREVENT DAMAGE TO THE FLAP.
NOTE : The weight of the outboard flap is 205kgs (451lbs).
____
(a)
Remove the nut (122), the bolt (119), the washer (120) and disconnect the bonding strap (121).
(b)
Remove and discard the cotter pins (127).
(c)
Remove the nuts (126), the washers (125) and the bolts (123).
(d)
Carefully let the outboard flap move aft until the flap carriages touch the end stops (149).
(2) Disconnect the outboard flap from the flap track 3 carriage and the flap track 4 carriage:
(a)
Remove and discard the lockwire from the bolts (148).
(b)
Remove the bolts (148) and disconnect the bonding straps (147).
(c)
Remove and discard the cotter pins (144).
(d)
Remove the nuts (143).
(e)
Remove and discard the crushable washers (142).
(f)
Remove the nuts (145), the washers (146) and the locking plates (141).
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Flap to Rotary Actuator Drive-Levers
Figure 415/TASK 27-54-62-991-024
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Flap to Flap Carriage Connection
Figure 416/TASK 27-54-62-991-025
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(g)
Remove and discard the lockwire from the nuts (152).
(h)
Loosen the nuts (152) sufficiently to let the failsafe hook assembly (153) move.
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