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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(20.193 mm)
(10.795 mm)
(FOR REFERENCE) B-B Fan Exit Case and Vane Repair (Flange B1 and B2 Repair) Figure 805
D20365
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
4) Make the tape smooth to follow the vane contour.
NOTE: If tape becomes wrinkled or is applied incorrectly,
____ discard and apply new tape immediately.
CAUTION: INSTALLED APPEARANCE OF THE TAPE MUST BE SMOOTH AGAINST
_______ THE VANE SURFACE. FAILURE TO INSURE THAT THE TAPE IS SMOOTH CAN CAUSE THE TAPE TO TEAR OR TO BE THE BOEING COMPANY UNSERVICEABLE.
(g) Remove the Masking Tape.
S 428-210-N00
(7) If necessary, install stage 1 (fan) blades (AMM 72-31-02/401).
TASK 72-33-02-308-097-N00
8. Patch Repair of the Fan Exit Vanes (Larger Damage, Leading Edge)
________________________________________________________________
A. General
(1)
This Repair is for damage of the leading edge that decreases the chord length between 0.100-0.375 inch (2.54-9.525 mm)
B.
Equipment
(1)
Kit, FEGV (Fan Exit Guide Vane) Repair Kit
Pratt & Whitney PN 814765
C.
Consumable Materials
(1)
G00842 Cheesecloth, Unsized (PWA P05-038)
(2)
G02150 Wetting Agent (PMC 1610, Item No. P05-152)
(3)
G01520 Glass, Milled (Misc. 0257) (PWA Item No. PO5-147)
(4)
Wire cloth (PWA 1170-3, Item No. P05-182)
(5)
A01028 Adhesive, Paste Epoxy (PWA 457-1, Item No. P08-016)
(6)
A01028 Adhesive, Paste Epoxy (PWA 457-2, Item No. P08-025)
(7)
A00744 Agent, Thickening (PWA 424-1, Item No. PO8-20)
(8)
A00745 Agent, Thickening (PWA 424-2, Item No. PO8-11)
(9)
B00130 Alcohol - Isopropyl
(10)
G00299 Tape, Masking, Polyester Film (PMC 4188)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
D. References
(1)
AMM 71-11-04/201, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 72-33-02/601, Fan Exit Case and Vane
(4)
AMM 78-31-00/201, Thrust Reverser System
E.
Access
(1)
Location Zone
412 Engine 1 - Fan Exit Case
422 Engine 2 - Fan Exit Case
432 Engine 3 - Fan Exit Case
442 Engine 4 - Fan Exit Case
(2)
Access Panel
415 and 416 Thrust Reverser Halves - Engine 1
425 and 426 Thrust Reverser Halves - Engine 2
435 and 436 Thrust Reverser Halves - Engine 3
445 and 446 Thrust Reverser Halves - Engine 4
F.
Prepare for Repair of the Fan Exit Vanes
S 018-098-N00
(1) Open the fan cowl panels (AMM 71-11-04/201).
S 048-099-N00
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSERS. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO YOU AND DAMAGE TO EQUIPMENT.
(2)
Do the Deactivation Procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
S 018-100-N00
(3)
Open the core cowl panels (AMM 71-11-06/201).
S 018-101-N00
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURY TO YOU AND DAMAGE TO EQUIPMENT CAN OCCUR.
(4) Open the thrust reversers (AMM 78-31-00/201).
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