(k)
Cut and remove the sealant from around the side panels of the inner fairing (3).
(l)
Remove the screws (8) and (9).
(m)
Remove the side panels of the inner fairing (3).
(n)
Remove the classified washers, if installed, that are under the bolt holes (8) and (9).
(o)
Remove the gasket (16).
TASK 72-34-04-424-037-N00
4. ENGINES POST-PW-SB 72-382; Install the Fan Exit Fairing
____________________________
A. General
(1)
If it is necessary to install a new access cover, do the procedure to repair the Fan Exit (Bifurcation) Fairing (AMM 72-34-04/801).
B.
Consumable Materials
(1)
A00482 Sealant - Silicone Rubber, PWA 36003
(2)
B00148 Solvent - Methyl Ethyl Ketone (MEK)
(3)
D00137 Engine Oil - PWA 521B
(4)
G00033 Cheesecloth - Unsized
(5)
G00983 Paper - Kraft, Medium or Light Duty
C.
References
(1)
AMM 71-11-04/201, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser System
D.
Access
(1)
Location Zones
410 Engine No. 1
420 Engine No. 2
430 Engine No. 3
440 Engine No. 4
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(2) Access Panels
413 Fan Cowl (Left) - Engine 1
423 Fan Cowl (Left) - Engine 2
433 Fan Cowl (Left) - Engine 3
443 Fan Cowl (Left) - Engine 4
415 Thrust Reverser Half (Left) - Engine 1
425 Thrust Reverser Half (Left) - Engine 2
435 Thrust Reverser Half (Left) - Engine 3
445 Thrust Reverser Half (Left) - Engine 4
417 Core Cowl (Left) - Engine 1
427 Core Cowl (Left) - Engine 2
437 Core Cowl (Left) - Engine 3
447 Core Cowl (Left) - Engine 4
414 Fan Cowl (Right) - Engine 1
424 Fan Cowl (Right) - Engine 2
434 Fan Cowl (Right) - Engine 3
444 Fan Cowl (Right) - Engine 4
416 Thrust Reverser Half (Right) - Engine 1
426 Thrust Reverser Half (Right) - Engine 2
436 Thrust Reverser Half (Right) - Engine 3
434 Thrust Reverser Half (Right) - Engine 4
418 Core Cowl (Right) - Engine 1
428 Core Cowl (Right) - Engine 2
438 Core Cowl (Right) - Engine 3
448 Core Cowl (Right) - Engine 4
E. Install the Fan Exit Fairing (Fig. 402)
NOTE: The side panels, the leading edge, and the access covers together
____
are the inner fairing (3).
S 424-038-N00
(1) Do the steps that follow to install the Fan Exit Fairing:
NOTE: Unless it is specified differently, remove the shoulder
____ screws with a No. 3 cross-drive (Phillips). Remove all of the other screws with a No. 10 Torq-set drive.
CAUTION: MAKE SURE YOU USE THE CORRECT PART NUMBERS BECAUSE
_______ INCORRECT PARTS CAN BE INSTALLED. REFER TO PW SB 72-161 AND PW SB 72-382.
(a) Install the fairings loosely.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(b)
Install the gasket (16), open end rearward, around the bottom of the 12 o'clock strut.
(c)
Install the left and right side panels of the fan exit inner fairing (3) on the gasket.
(d)
Install the countersunk screws (8), lubricated with Engine Oil, in the four forward bolt holes.
(e)
Tighten the screws with your hand.
CAUTION: BE VERY CAREFUL WHEN YOU INSTALL THE INNER FAIRING
_______ (LEADING EDGE). IT IS POSSIBLE THAT THERE ARE WASHERS ATTACHED TO THIS PART OF THE FAIRING. IT IS EASY FOR THESE WASHERS TO BECOME LOOSE AND FALL OFF.
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本文链接地址：747-400 AMM 飞机维护手册 发动机 ENGINE 2(62)
