(2)  
AMM 71-11-06/201, Core Cowl Panels

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 E.
Access

 (1)  
Location Zone
 419 Engine 1 - Exhaust Sleeve
 429 Engine 2 - Exhaust Sleeve
 439 Engine 3 - Exhaust Sleeve
 449 Engine 4 - Exhaust Sleeve

 (2)  
Access Panel
 417 and 418 Core Cowl Panels - Engine 1
 427 and 428 Core Cowl Panels - Engine 2
 437 and 438 Core Cowl Panels - Engine 3
 447 and 448 Core Cowl Panels - Engine 4

 F.
Procedure

 S 424-021-N00
 (1)  Install the turbine exhaust sleeve:
 (a)  
Hold the sleeve (1) with the cradle.

 (b)  
Use the index pin (3) to align the sleeve (1) with the engine flange.

 (c)  
Apply a thin layer of the antiseize thread compound on the threads of the bolts (4).

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 78-11-01
 ALL  ú ú N01 Page 405 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(d)  Install the bolts (4), the washers (5), the brackets (7), and the nuts (6) that attach the sleeve (1) to the engine flange: 1) Tighten the bolts (4) to 85-95 pound-inches (9.6-10.7 N.m).
 (2)  S 094-013-N00Remove the cradle from the turbine exhaust sleeve.
 (3)  S 414-014-N00Close the core cowl panels (AMM 71-11-06/201).
 (4)  S 444-015-N00Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
 (5)  S 444-016-N00Do the activation procedure for the speed brake brake control system (AMM 27-62-00/201).
 (6)  S 094-017-N00Remove the DO-NOT-OPERATE tags from the thrust levers.

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 78-11-01
 ALL  ú ú N01 Page 406 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
TURBINE EXHAUST PLUG - REMOVAL/INSTALLATION
___________________________________________
 1.  General
_______
 A.  Two tasks are contained in this procedure. The tasks remove and install the turbine exhaust plug.
 TASK 78-11-02-004-001-N00
 2.  Turbine Exhaust Plug Removal (Fig. 401)
____________________________
 A.  References
 (1)  
AMM 27-62-00/201, Speed Brake Control System

 (2)  
AMM 78-11-01/401, Turbine Exhaust Sleeve

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 (4)  
IPC 78-11-01 Fig. 1

 B.  
Access

 (1)  
Location Zone
 419 Engine 1 - Exhaust Sleeve
 429 Engine 2 - Exhaust Sleeve
 439 Engine 3 - Exhaust Sleeve
 449 Engine 4 - Exhaust Sleeve

 C.  
Procedure

 S 044-002-N00
 WARNING: DO THE DEACTIVATION PROCEDURE FOR THE AUTOMATIC SPEED BRAKE.
_______ THE SPEED BRAKES CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Do this task: "Automatic Speed Brake System Deactivation" (AMM 27-62-00/201).

 (2)  
Put the forward thrust levers in the idle position.

 (3)
Put the reverse thrust levers in the forward thrust position.

 (4)  
Install the DO-NOT-OPERATE tags on the thrust levers.

 S 864-003-N00
 S 864-017-N00
 S 434-017-N00
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 78-11-02
 ALL  ú ú N01 Page 401 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
　
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