(2)
G00033 Cheesecloth - Unsized
(3)
A00091 Sealant - Silicone, Rubber, Red (RTV 159)
(4)
A00482 Sealant - Silicone, Rubber, Gray (RTV 157)
(5)
B00130 Alcohol - Isopropyl (PMC 9094)
B.
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
C.
Access
(1)
Location Zone
412 Engine 1 - Intermediate Case
422 Engine 2 - Intermediate Case
432 Engine 3 - Intermediate Case
442 Engine 4 - Intermediate Case
(2)
Access Panel
415 Left Thrust Reverser Half - Engine 1
416 Right Thrust Reverser Half - Engine 1
425 Left Thrust Reverser Half - Engine 2
426 Right Thrust Reverser Half - Engine 2
435 Left Thrust Reverser Half - Engine 3
436 Right Thrust Reverser Half - Engine 3
445 Left Thrust Reverser Half - Engine 4
446 Right Thrust Reverser Half - Engine 4
D.
Install the fan exit liner segments.
S 824-009-N00
CAUTION: BE VERY CAREFUL WHEN YOU REMOVE OR INSTALL A LINER SEGMENT.
_______ THE WASHERS THAT ARE ATTACHED TO THE FRONT LINER BRACKET CAN BECOME DISCONNECTED FROM THE BRACKET. ALSO, IF THE EDGE OF THE LINER SEGMENT HITS SOMETHING, IT CAN CAUSE DELAMINATION.
(1)
Do the steps that follow to make sure the clearance between the trailing edge of the liner segment (inner front) and the front of the liner segment (inner rear) is correct (Fig. 402).
(a)
Apply engine oil to the threads of the screws.
(b)
Attach the liner segment to the fan exit case with the screws.
(c)
Attach the liner segment to the fan exit case with the screws. 1) Tighten the screws, with your hand, against the liner.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEE A
FAN EXIT LINER
A
SEGMENT (INNER FRONT) (7 LOCATIONS)
A
A
L-A6453
TRAILING EDGE SCREWS (43 LOCATIONS)0.000-0.040 INCH (0.00-1.02 mm) CLEARANCE WASHER POSITION (43 LOCATIONS)(0-4 WASHERS)
FAN EXIT LINER SEGMENT (INNER FRONT)
A-A
L-A2769
Fan Exit Liner Segments (Inner Front) Installation Figure 402
D20029
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(d)
Do a check of the clearance between the trailing edge of the liner segment (inner front) and the front of the liner segment (inner rear), as follows (Fig. 402).
(e)
If the clearance is not correct, use Table 401 to find which
washers (0-4) to use to make the necessary thickness.
Washer - Flat Thickness
Table 401
~........................................................
| Class | Washer Thickness - Inch (mm) |
..........................................................
| 1 | 0.009-0.011 (0.229-0.279) |
..........................................................
| 2 | 0.019-0.021 (0.483-0.503) |
..........................................................
| 3 | 0.029-0.031 (0.737-0.787) |
..........................................................
| 4 | 0.039-0.041 (0.991-1.041) |
..........................................................
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