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MAINTENANCE MANUAL
B. Consumable Materials
(1)
C00259 Enamel - Primer, Green, BMS 10-11
(2)
A00359 Sealant - BMS 5-95, Type 1, Class B
C.
Access
(1)
Location Zones
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)
D. Procedure
S 144-054
(1)
Clean the paint from the bolt holes and all used bolts for the attachment fitting.
S 424-055
(2)
Install the attachment fitting (Section E-E, Fig. 401):
(a)
Install the attachment fitting on the flap track.
CAUTION: MAKE SURE THE CLEARANCE BETWEEN THE ATTACHMENT
_______ FITTING AND THE FLAP TRACK IS NOT MORE THAN 0.003 INCH AFTER YOU INSTALL THE SHIMS. THE ATTACHMENT FITTING CAN BE DAMAGED.
1) If it is necessary, remove 0.003 inch laminations from the shims to make sure the clearance between the attachment fitting and the flap track is not more than 0.003 inch.
2) Install the shims with the wet primer. 3) Put the attachment fitting on the flap track and install the bolts with the wet primer.
4) On airplanes with lockwire bolts, put the attachment fitting on the flap track and install the lockwire bolts with wet sealant.
5) Tighten the bolts: a) Tighten the six bolts (1) to 170-210 pound-inches (19-24 N-m). b) Tighten the six bolts (2) to 475-525 pound-inches (54-59 N-m).
(b) Attach the fixed drive link to the attachment fitting (Section D-D): 1) Put the fixed drive link in its position and install the
pin.
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747-400 MAINTENANCE MANUAL
2) Install the bolt, washers and nut on the attachment fitting. 3) Tighten the nut to 60-85 pound-inches (7-10 N-m).
S 644-056
(3)
Lubricate the pin at the attachment fitting.
S 824-079
(4)
Adjust the inboard flap track fairing (AMM 27-51-26/501).
E.
Put the Airplane Back to Its Usual Condition
S 864-066
(1)
Do this task to depressurize hydraulic system No./1: "Depressurize Hydraulic Systems" (AMM 29-11-00/201).
S 414-067
(2)
Install the applicable access panels:
563BB, 563CB, 563DB and 563EB On Track No. 3
561AB, 561BB, 561CB and 561DB On Track No. 4
661AB, 661BB, 661CB and 661DB On Track No. 5
663BB, 663CB, 663DB and 663EB On Track No. 6.
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747-400 MAINTENANCE MANUAL
OUTBOARD FLAP TRACK FAIRING SUPPORT - REMOVAL/INSTALLATION
__________________________________________________________
1. General_______
A. There are 11 tasks in this procedure. There are tasks to remove and tasks to install the five parts of the fairing support system. There is also a task to adjust the fairing.
B. There is a task to remove and a task to install these parts on the outboard flap track fairing:
(1)
The Fairing Support Fitting
(2)
The Adjustable Rod
(3)
The Fixed Drive Link
(4)
The Drive Rod
(5)
The Fairing Attachment Fitting.
C.
The flap track fairing adjustment has these parts:
(1)
The removal of the access panels
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