(e)
Remove the screws (4) from the two access covers (6).
CAUTION:_______BE CAREFUL WHEN YOU REMOVE THE ACCESS COVERS. IT IS POSSIBLE THAT THERE ARE CLASSIFIED WASHERS BONDED TO BOLT HOLES (5). IT IS EASY FOR THESE WASHERS TO BECOME LOOSE.
(f)
Remove the two access covers (6).
(g)
ENGINES PRE-PW-SB 72-382; When you replace an access cover, you must put classified washers on the new access cover.
NOTE: This is if the used access cover had classified washers
____
installed.
Classified washer are bonded to the access cover when they are installed.
(h) When the washers are loose or fall off the serviceable access cover, they must be bonded to the cover.
NOTE: The bonding procedure is in the task to install the
____ Access Covers of the Fan Exit Fairing.
TASK 72-34-04-024-030-N00
3. ENGINES POST-PW-SB 78-382; Remove the Fan Exit Fairing
___________________________
A. Equipment
(1)
No. 10 Torq-set Drive
(2)
T-10 Torx Tip
(3)
No. 10 Cross-Drive (Phillips)
B.
References
(1)
AMM 71-11-04/201, Fan Cowl Panels
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72-34-04
ALL ú ú N01 Page 406 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(2) AMM 71-11-06/201, Core Cowl Panels
(3) AMM 78-31-00/201, Thrust Reverser System
C. Access
(1) Location Zones
410 Engine No. 1
420 Engine No. 2
430 Engine No. 3
440 Engine No. 4
(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
D. Prepare for the Procedure
S 944-031-N00
(1) Attach a DO-NOT-OPERATE tag to the ENG START switch on the pilot's overhead panel, P5.
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ALL ú ú N01 Page 407 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 044-032-N00
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Do the deactivation procedure for the thrust reversers for ground maintenance (AMM 78-31-00/201).
S 014-033-N00
(3)
Open the fan cowl panels (AMM 71-11-04/201).
S 014-034-N00
(4)
Open the core cowl panels (AMM 71-11-06/201).
S 014-035-N00
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(5)
Open the thrust reversers (AMM 78-31-00/201).
E.
Remove the Fan Exit Fairing (Fig. 402)
NOTE: The side panels, the leading edge, and the access covers together
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