S 442-089-N00

 (9)  
Do this task: "Speed Brake Control System Activation" (AMM 27-62-00/201).

 S 442-090-N00

 (10)
 Do this task:  "Leading Edge Flaps Activation"
 (AMM 27-81-00/201).

 S 412-091-N00

 (11)
 Close the fan cowl panels (AMM 71-11-06/201).

 S 862-092-N00

 (12)
 Remove the DO-NOT-OPERATE tag from the thrust levers.

 TASK 78-31-00-862-093-N00
 8. Thrust Reverser Operation - Deployment (Power Procedure)
________________________________________________________
 A. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 27-62-00/201, Speed Brake Control System

 (3)  
AMM 27-81-00/201, Leading Edge Flap Systems

 (4)  
AMM 29-11-00/201, Main Hydraulic Systems

 (5)  
AMM 71-11-06/201, Fan Cowl Panels

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 78-31-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
B. Access
 (1)  
Location Zone
 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

 (2)  
Access Panel
 413 and 414 Fan Cowl Panels - Engine 1
 423 and 424 Fan Cowl Panels - Engine 2
 433 and 434 Fan Cowl Panels - Engine 3
 443 and 444 Fan Cowl Panels - Engine 4

 C.
Procedure

 S 042-094-N00
 WARNING:_______MAKE SURE YOU CORRECTLY DISCONNECT THE SPEED BRAKE. AN ACCIDENTAL SPEED BRAKE MOVEMENT CAUSED BY THE THRUST LEVERS CAN CAUSE INJURY TO PERSONS.
 (1)  Do this task: "Speed Brake Control System Deactivation"
 (AMM 27-62-00/201).

 S 042-095-N00
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE LEADING EDGE FLAPS BEFORE
_______ YOU DEPLOY THE THRUST REVERSERS. IF YOU DO NOT DO THIS, INJURIES TO PERSONS AND DAMAGE TO THE THRUST REVERSER, LEADING EDGE FLAPS, OR WING STRUCTURE CAN OCCUR.
 (2)
Retract and deactivate the leading edge flaps (AMM 27-81-00/201).

 S 862-096-N00

 (3)  
Supply electrical power to the airplane (AMM 24-22-00/201).

 (4)  
Supply hydraulic power to the airplane (AMM 29-11-00/201).

 (5)  
Open the fan cowl panels (AMM 71-11-04/201).

 S 862-097-N00
 S 012-098-N00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 282-099-N00

 CAUTION:_______ DO NOT MOVE THE THRUST REVERSER WHILE THE THRUST REVERSER OR
 THE CORE COWL PANELS ARE OPEN.  DAMAGE TO THE THRUST REVERSER
 AND THE CORE COWL PANELS CAN OCCUR.
 CAUTION:_______ DO NOT EXTEND THE THRUST REVERSER SLEEVE WHEN THE THRUST
 REVERSER IS OPEN MORE THAN 23 DEGREES.  DAMAGE TO THE SLEEVE
 AND THE STRUT CAN OCCUR.
 CAUTION:_______ THE EXTENSION OF THE SLEEVE WITH THE THRUST REVERSER OPEN IS
 PERMITTED IN THE 23 DEGREE POSITION ONLY.  THE CORE COWL PANELS
 MUST BE REMOVED TO EXTEND THE SLEEVE WITH THE THRUST REVERSER
 OPEN.
 CAUTION:_______ MAKE SURE THERE IS NO EQUIPMENT IN THE AREA BEHIND THE THRUST
 REVERSER.  DAMAGE CAN OCCUR IF THE THRUST REVERSER HITS THE

 EQUIPMENT.
 (6)  
Make sure the thrust reverser is not open more than 23 degrees. S 282-100-N00

 (7)  
Make sure the core cowl panels are closed.

 S 982-101-N00 WARNING: THE DEPLOYMENT OF THE THRUST REVERSER WILL OCCUR WHEN YOU MOVE
_______ THE REVERSE THRUST LEVERS TO THE REVERSE IDLE POSITION. MAKE SURE THE AREA BEHIND THE THRUST REVERSER IS CLEAR OF PERSONS AND EQUIPMENT BEFORE YOU OPERATE THE REVERSER. INJURY TO PERSONS AND DAMAGE TO THE AIRPLANE CAN OCCUR.
　
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