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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 824-030-N00
CAUTION:_______CORRECTLY ADJUST THE TENSION LATCHES. IF YOU DO NOT ADJUST THE TENSION LATCHES CORRECTLY, DAMAGE TO THE FAN COWL AND THE THRUST REVERSER CAN OCCUR.
(5)
Adjust the tension latches (AMM 78-31-04/501).
D.
Put the Airplane Back to Its Usual Condition.
S 414-023-N00 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(1)
Close the thrust reversers (AMM 78-31-00/201).
S 414-032-N00
(2)
Close the core cowl panels (AMM 71-11-06/201).
S 414-033-N00
(3)
Close the fan cowl panels (AMM 71-11-04/201).
S 444-024-N00
(4)
Do the activation procedure for the thrust reversers
(AMM 78-31-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
TENSION LATCHES - ADJUSTMENT/TEST
_________________________________
1. General
_______
A. Use this procedure to adjust the tension latches on the thrust reversers.
TASK 78-31-04-805-033-N00
2. Adjust the Tension Latches
__________________________
A. Equipment
(1)
Scale - spring compression type, minimum 60
pound (270 Newtons) capacity, commercially
available
(2)
Wrench - Allen, 5/32 Inch (4 mm), commercially
available
(3)
Wrench - Standard, 5/8 Inch (15.875 mm),
commercially available
B.
References
(1)
AMM 27-62-00/201, Speed Brake Control System
(2)
AMM 71-11-04/201, Fan Cowl Panels
(3)
AMM 71-11-06/201, Core Cowl Panels
(4)
AMM 78-31-00/201, Thrust Reverser System
(5)
AMM 78-31-02/501, Latch Band
(6)
AMM 78-31-04/401, Tension Latches
C.
Access
(1)
Location Zones
416 Engine 1 - Thrust Reverser Half, RH
426 Engine 2 - Thrust Reverser Half, RH
436 Engine 3 - Thrust Reverser Half, RH
446 Engine 4 - Thrust Reverser Half, RH
(2)
Access Panels
413 and 414 Fan Cowl Panels - Engine 1
417 and 418 Core Cowl Panels - Engine 1
423 and 424 Fan Cowl Panels - Engine 2
427 and 428 Core Cowl Panels - Engine 2
433 and 434 Fan Cowl Panels - Engine 3
437 and 438 Core Cowl Panels - Engine 3
443 and 444 Fan Cowl Panels - Engine 4
447 and 448 Core Cowl Panels - Engine 4
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78-31-04
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
D. Prepare to Adjust the Tension Latches (Fig. 501).
S 045-024-N00
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE AUTOMATIC SPEED BRAKES.
_______ IF YOU DO NOT DO THIS, THE AUTOMATIC SPEED BRAKES CAN RETRACT QUICKLY WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Do the deactivation procedure for the Automatic Speed Brake System for ground maintenance (AMM 27-62-00/201).
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