(a) If you find cracks in the auxiliary track sliders, replace the auxiliary track sliders (AMM 78-31-13/401).
NOTE: The auxiliary track sliders that are made of aluminum
____ are less resistant to cracks. The auxiliary track sliders that are made of steel should be more resistant to cracks.
F. Put the Airplane Back to Its Usual Condition
S 416-001-N00 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO INSTALL THE THRUST
_______ REVERSER SLEEVE. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(1) Install the thrust reverser sleeve (AMM 78-31-10/401).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
THRUST REVERSER BLOCKER DOORS - REMOVAL/INSTALLATION
____________________________________________________
1. General
_______
A. The thrust reverser blocker doors are referred to as the blocker doors in this procedure.
B. The thrust reverser blocker door drag links are referred to as the drag links in this procedure.
C. This procedure has two tasks. The first task gives instructions to remove the blocker doors for the thrust reverser. The second task gives instructions to install the blocker doors for the thrust reverser.
D. Each blocker door has two hinges. One is known as the floating hinge. The other is known as the clamped hinge.
TASK 78-31-14-004-028-N00
2. Remove the Thrust Reverser Blocker Doors
________________________________________
A. References
(1)
AMM 27-62-00/201, Speed Brake Control System
(2)
AMM 71-11-04/201, Fan Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser System
(4)
AMM 78-31-15/401, Thrust Reverser Blocker Door Drag Links
B.
Access
(1)
Location Zones 415 and 416 Engine No. 1 - Thrust Reverser Halves 425 and 426 Engine No. 2 - Thrust Reverser Halves 435 and 436 Engine No. 3 - Thrust Reverser Halves 445 and 446 Engine No. 4 - Thrust Reverser Halves
(2)
Access Panels
413 and 414 Fan Cowl Panels - Engine No. 1
417 and 418 Core Cowl Panels - Engine No. 1
423 and 424 Fan Cowl Panels - Engine No. 2
427 and 428 Core Cowl Panels - Engine No. 2
433 and 434 Fan Cowl Panels - Engine No. 3
437 and 438 Core Cowl Panels - Engine No. 3
443 and 444 Fan Cowl Panels - Engine No. 4
447 and 448 Core Cowl Panels - Engine No. 4
C.
Prepare to Remove the Blocker Door.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 044-029-N00
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPEED BRAKE CONTROL
_______ SYSTEM. IF YOU DO NOT DO THIS, THE SPOILERS CAN MOVE QUICKLY WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Do the deactivation procedure for the speed brake control system (AMM 27-62-00/201).
S 864-030-N00
(2)
Make sure the forward thrust levers are in the idle position and attach the DO-NOT-OPERATE tags.
S 864-031-N00
(3)
Make sure the reverse thrust levers are in the fully stowed position and attach the DO-NOT-OPERATE tags.
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 AND DAMAGE TO EQUIPMENT.
(4) Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
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