S 024-008
(2)
Remove the Krueger flap (Fig. 401):
(a)
Remove the bolts (4 and 11) that attach the actuator links (9) to the rotary actuators (5).
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747-400 MAINTENANCE MANUAL
(b)
Remove the bonding jumpers (2) on the hinges.
(c)
Hold the flap and remove the hinge bolts (19).
NOTE: The flap weighs approximately 80 pounds.
____
(d)
Remove the flap (1) from the airplane.
(e)
Remove the bushings (18) from the structural hinge fittings.
TASK 27-81-01-404-009
3. Krueger Flaps Installation__________________________
A. Special Tools and Equipment
(1)
17MIT65B04017 Leading Edge Flap Drive Unit Lock
(2)
G27013-9 Inboard Krueger Flap No. 11 thru 16 Rigging Set
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B. Parts ~.............................................................................. | AMM | | AIPC | ................. ...........................| | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ...............................................................................| | 401 | 1 | Flap Assy - No. 13 and 14 | 27-81-01 | 10 | 1 | | | 2 | Jumper | | | 370 | | | 3 | Jumper | | | 470 | | | 4 | Bolt | | | 115 | | | 5 | Rotary Actuator (LH) | 27-81-06 | 01 | 1J | | | 5 | Rotary Actuator (RH) | | | 5 | | | 6 | Bushing | 27-81-01 | 10 | 140 | | | 7 | Washer (Under Head) | | | 125 | | | 7 | Washer (Under Nut) | | | 130 | | | 8 | Nut | | | 135 | | | 9 | Link - Actuator | | | 170 | | | 10 | Clip - Antirotation | | | 165 | | | 11 | Bolt | | | 120 | | | 12 | Bolt | | | 145 | | | 13 | Washer | | | 150 | | | 14 | Nut | | | 160 | | | 16 | Washer | | | 105 | | | 17 | Nut | | | 110 | | | 18 | Bushing (LH) | | | 200 | | | 18 | Bushing (RH) | | | 300 | | | 19 | Bolt | | | 95 | | | 20 | Washer | | | 100 | | | 21 | Bolt | | | 500 | | | 22 | Nut | | | 515 | | | 23 | Washer (Under Head) | | | 505 | | | 23 | Washer (Under Nut) | | | 510 | | | 24 | Bolt | | | 20 | | | 25 | Nut | | | 40 | | | 26 | Washer | | | 30 | | | 27 | Fairing | | | 530 | | | 28 | Bushing | | | 45 | | | 29 | Link Assembly (LH 1) | | | 50 | | | 29 | Link Assembly (LH 2) | | | 55 | | | 29 | Link Assembly (RH 1) | | | 60 | | | 29 | Link Assembly (RH 2) | | | 65 | 2......…........…...................................…...........….....…........1
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~.............................................................................. | AMM | | AIPC | ................. ...........................| | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ...............................................................................| | 401 | 1 | Flap Assy - No. 11 and 16 | 27-81-01 | 01 | 1 | | | 2 | Jumper | | | 370 | | | 3 | Jumper | | | 510 | | | 4 | Bolt | | | 115 | | | 5 | Rotary Actuator (LH) | 27-81-06 | 01 | 1J | | | 5 | Rotary Actuator (RH) | | | 5 | | | 6 | Bushing | 27-81-01 | 01 | 140 | | | 7 | Washer (Under Head) | | | 125 | | | 7 | Washer (Under Nut) | | | 130 | | | 8 | Nut | | | 135 | | | 9 | Link - Actuator | | | 170 | | | 10 | Clip - Antirotation | | | 165 | | | 11 | Bolt | | | 120 | | | 12 | Bolt | | | 145 | | | 13 | Washer | | | 150 | | | 14 | Nut | | | 160 | | | 16 | Washer | | | 105 | | | 17 | Nut | | | 110 | | | 18 | Bushing (LH) | | | 200 | | | 18 | Bushing (RH) | | | 300 | | | 19 | Bolt | | | 95 | | | 20 | Washer | | | 100 | | | 21 | Bolt | | | 560 | | | 22 | Nut | | | 580 | | | 23 | Washer (Under Head) | | | 565 | | | 23 | Washer (Under Nut) | | | 570 | | | 24 | Bolt | | | 20 | | | 25 | Nut | | | 40 | | | 26 | Washer | | | 30 | | | 27 | Fairing | | | 595 | | | 28 | Bushing | | | 45 | | | 29 | Link Assembly (LH 1) | | | 50 | | | 29 | Link Assembly (LH 2) | | | 55 | | | 29 | Link Assembly (RH 1) | | | 60 | | | 29 | Link Assembly (RH 2) | | | 65 | 2......…........…...................................…...........….....…........1
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