(b)
Remove the upstop fitting.
(c)
If it is necessary, disassemble the upstop fitting: 1) Remove the bolt (35), washer (31), and nut (32) from the upstop supports (30 and 37). 2) Remove the lubrication fitting (34) and the upstop roller
(33). 3) Remove the bushing (36) from the upstop roller.
TASK 27-51-39-004-029
8. Aftflap Fitting Removal
_______________________
A. References
(1)
AMM 29-11-00/201, Main Hydraulic Supply System
(2)
AIPC 27-51-39 Fig. 1
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A
747-400
MAINTENANCE MANUAL
(3)
AIPC 27-51-39 Fig. 4
B.
Access
(1)
Location Zone
563 Outboard Flap Track Fairing, Inboard Flap, LH
(Track No. 3)
561 Inboard Flap Track Fairing, Inboard Flap, LH
(Track No. 4)
661 Inboard Flap Track Fairing, Inboard Flap, RH
(Track No. 5)
663 Outboard Flap Track Fairing, Inboard Flap, RH (Track No. 6)
C. Procedure
S 864-030
(1) Do this task to pressurize hydraulic system No. 1: "Hydraulic System Pressurization" (AMM 29-11-00/201).
S 864-123
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER.
(2)
Put the flap control lever in the 30-unit detent to extend the inboard flaps.
S 864-032
(3)
Do this task to depressurize hydraulic system No. 1: "Hydraulic System Depressurization" (AMM 29-11-00/201).
S 434-033
(4)
Attach the aftflap to the midflap.
S 024-034
(5)
Remove the aftflap fitting (Detail G, Fig. 401):
(a)
Remove the bolt (80), washers (81), and nut (82) that attach the actuator rod (2) to the aftflap fitting (3).
(b)
Remove the actuator rod from the aftflap fitting.
(c)
Remove the bushing (83) from the aftflap fitting.
(d)
Remove the bolts (85) and the washers (84) that attach the aftflap fitting to the aftflap.
(e)
Remove the aftflap fitting.
(6)
Install a tag on the aftflap fitting with the number of the track.
S 934-035
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A
747-400 MAINTENANCE MANUAL
TASK 27-51-39-004-036
9. Aft Roller Support Removal
__________________________
A. References
(1)
AMM 29-11-00/201, Main Hydraulic Supply System
(2)
AIPC 27-51-39 Fig. 1
(3)
AIPC 27-51-39 Fig. 4
B.
Access
(1)
Location Zone 563 Outboard Flap Track Fairing, Inboard Flap, LH (Track No. 3) 561 Inboard Flap Track Fairing, Inboard Flap, LH (Track No. 4) 661 Inboard Flap Track Fairing, Inboard Flap, RH (Track No. 5)
663 Outboard Flap Track Fairing, Inboard Flap, RH (Track No. 6)
C. Procedure
S 864-037
(1) Do this task to pressurize hydraulic system No. 1: "Hydraulic System Pressurization" (AMM 29-11-00/201).
S 864-124
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER.
(2) Put the flap control lever in a position to extend the inboard flaps.
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