78-31-16
ALL ú ú N01 Page 407 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 434-021-N00
(14)
Tighten the bolts to 72-88 pound-inches (9.6-11.7 newton-meters) on the mounting flange of the torque box at the area of smallest clearance first.
S 434-036-N00
(15)
Then, tighten the bolts on one of the sides to 72-88 pound-inches (9.6-11.7 newton-meters).
S 434-022-N00
(16)
After all bolts are tight, loosen the bolts one-half of a turn.
S 434-037-N00
(17)
Tighten the bolts again to 72-88 pound-inches (9.6-11.7 newton-meters).
S 424-023-N00
(18)
Install the cascade vane segments adjacent to the blocked cascade vane segments with the steps from above.
S 414-024-N00
(19)
Install the rod end of the hydraulic actuator the access panel (Ref 78-31-17/401).
S 864-025-N00
(20)
Remove the DO-NOT-OPERATE tags from the thrust levers in the flight compartment.
S 444-026-N00
(21)
Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
S 444-027-N00
(22)
Do the activation procedure for the speed brake control system (AMM 27-62-00/201).
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78-31-16
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 414-028-N00
(23)
Retract the thrust reverser sleeve (AMM 78-31-00/201).
S 714-029-N00
(24)
Do the operational test for the thrust reverser (AMM 78-31-00/501).
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78-31-16
ALL ú ú N01 Page 409 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
THRUST REVERSER CASCADE SEGMENTS - INSPECTION/CHECK
___________________________________________________
1. General
_______
A. This procedure gives instructions to examine the cascade segments of the thrust reverser.
TASK 78-31-16-206-010-N00
2. Do an Inspection of the Cascade Segments of the Thrust Reverser
_______________________________________________________________
A. References
(1)
27-62-00/201, Speed Brake Control System
(2)
78-31-00/201, Thrust Reverser System
(3)
78-31-16/401, Thrust Reverser Cascade Vane Segments.
(4)
IPC 78-31-01 Fig. 5
B.
Access
(1)
Location Zones 415 and 416 Engine 1 - Thrust Reverser Halves 425 and 426 Engine 2 - Thrust Reverser Halves 435 and 436 Engine 3 - Thrust Reverser Halves 445 and 446 Engine 4 - Thrust Reverser Halves
C.
Prepare to Do an Inspection of the Cascade Segments (Fig. 601).
S 046-011-N00
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE AUTOMATIC SPEED BRAKES.
_______ IF YOU DO NOT DO THIS, THE AUTOMATIC SPEED BRAKES CAN MOVE QUICKLY WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do this task: Automatic Speed Brake System Deactivation (Ref 27-62-00/201).
S 866-012-N00
(2)
Operate the thrust reverser to the deploy position
(Ref 78-31-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 EXHAUST 2(28)
