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A
747-400
MAINTENANCE MANUAL
(2) Access Doors
On track No. 1: 587ET Midflap Outboard Trailing Edge Flap, LH 587FT Midflap Outboard Trailing Edge Flap, LH 587GT Midflap Outboard Trailing Edge Flap, LH 587HT Midflap Outboard Trailing Edge Flap, LH
On track No. 2: 587AT Midflap Outboard Trailing Edge Flap, LH 587BT Midflap Outboard Trailing Edge Flap, LH 587CT Midflap Outboard Trailing Edge Flap, LH 587DT Midflap Outboard Trailing Edge Flap, LH
On track No. 7: 687AT Midflap Outboard Trailing Edge Flap, RH 687BT Midflap Outboard Trailing Edge Flap, RH 687CT Midflap Outboard Trailing Edge Flap, RH 687DT Midflap Outboard Trailing Edge Flap, RH
On track No. 8: 687ET Midflap Outboard Trailing Edge Flap, RH 687FT Midflap Outboard Trailing Edge Flap, RH 687GT Midflap Outboard Trailing Edge Flap, RH 687HT Midflap Outboard Trailing Edge Flap, RH
D. Procedure
S 014-002
(1)
Remove the outboard flaps (Ref 27-51-04/401).
S 014-003
(2)
Remove the aftflap geneva cam and the mechanism which operates the aftflap (Ref 27-51-40/401).
S 014-004
(3)
Remove the access doors for the applicable flap track:
-587ET, 587FT, 587GT and 587HT from track No. 1
-587AT, 587BT, 587CT and 587DT from track No. 2
-687AT, 687BT, 687CT and 687DT from track No. 7
-687ET, 687FT, 687GT and 687HT from track No. 8.
S 024-005
(4)
Remove the carriage (Fig. 401):
(a)
Remove the bolt which attaches the failsafe link to the carriage (Fig. 401).
(b)
Hold the carriage in its position:
NOTE: Make sure that the carriage does not apply a force on
____ the thrust bearing or the link.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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747-400 MAINTENANCE MANUAL
SEE A
SEE B
CARRIAGE
BOLT AFT LINK
COTTER PIN
HOLE
CASTELATED
NUT
WASHER COLLAR
REPAIRED THREAD END A
B
AFT LINK
THRUST
BEARING COLLAR
AFT LINK WITH BEARINGSHOULDER
WITHOUT SHOULDER
0.05 INCH
RADIUS
CARRIAGE
BEARING WITH SHOULDER BEARING WITHOUT SHOULDER
B B
Outboard Flap Carriage Installation Figure 401 (Sheet 1)
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A 747-400 MAINTENANCE MANUAL
ACCESS PLATES MIDFLAP
A
BOLT LINK FAIL-SAFE
CARRIAGE A SEE C B B LINK NUT
FWD
B RETAINER NUT THE RETAINER NUT BLADE HERE WHILE IS TIGHTENED PUT A SCREWDRIVER
CARRIAGE LOCKBOLT RETAINER NUT RETAINER LOOCKNUT BOLT COLLAR RETAINER CARRIAGE
LUG
COLLAR RETAINER LUG ANTIROTATION LUG
RING SPACER A-A C IS LOSSENED THE RETAINER NUT BLADE HERE WHILE PUT A SCREWDRIVER
Figure 401 (Sheet 2) Outboard Flap Track Installation
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747-400 MAINTENANCE MANUAL
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