(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser System
B.
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
C.
Prepare for the Removal of the Fan Exit Liner Segments
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
1. LINER SEGMENT
5
(INNER FRONT) (7 LOCATIONS)
C
A A
5
SEE A
4
LINER SEGMENT
(INNER FRONT)
BIFURCATION
FAIRING
BB
C
2 3
APPLY SEALANT HERE
(14 LOCATIONS) A
THE SPACE AT THE END OF EACH LINER SEGMENT (8 LOCATIONS)
A-A
APPLY SEALANT TO THE SPACE AT THE LINER
END OF EACH LINER SEGMENT. THE SEGMENT
SEALANT MUST BE BETWEEN
0.000-0.010 INCH (0.000-0.254 mm)
ABOVE THE ADJACENT SURFACES
LINER SEGMENTS
FAN B-B (VIEW IN THE AFT DIRECTION)
CASE C-C L-A6746
Fan Exit Liner Segments (Inner Front) Installation
Figure 401
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D20025
S 044-003-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.
(1)
Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
S 014-015-N00
(2)
Open the fan cowl panels (AMM 71-11-04/201).
S 014-004-N00
(3)
Open the core cowl panels (AMM 71-11-06/201).
S 014-005-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.
(4)
Open the thrust reversers (AMM 78-31-00/201).
D.
Remove the Fan Exit Liner Segments (Fig. 401)
S 354-006-N00
(1) If necessary, cut the sealant at the axial edge of the liner segment.
S 024-007-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.
(2)
Do the steps that follow to remove the liner segments.
(a)
Remove the screws that attach the liner segment to the fan exit case.
(b)
Remove the liner segment.
(c)
With a tool, remove the old sealant from the surfaces that the new sealant will touch.
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本文链接地址：747-400 AMM 飞机维护手册 发动机 ENGINE 2(82)
