P.O. Box 1300
 Lodi, NJ 07644-9982

 B.
Consumable Materials

 (1)  
D00390 Oil - Engine

 (2)  
G00964 Compound - Antigalling, Fel-Pro C-200

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(3)  
G02334 Lockwire - AS3214-02

 (4)  
G02332 Ferrule - P05-292 (Optional)

 (5)  
G02335 Cable - Safety - P05-291 (Optional)

 C.
References

 (1)  
AMM 26-11-02/401, Engine Fire And Overheat Detector Element

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

 (3)  
AMM 75-24-02/401, Turbine Vane Cooling Air Duct

 (4)  
AMM 78-31-00/201, Thrust Reverser System

 (5)  
IPC 71-00-50 Fig. 1

 (6)  
IPC 72-50-52 Fig. 1

 (7)  
IPC 72-50-53 Fig. 1

 (8)  
IPC 73-21-07 Fig. 5

 (9)  
IPC 75-20-01 Fig. 1

 (10)
 IPC 75-24-00 Fig. 5

 (11)
 IPC 79-22-00 Fig.15

 (12)
 IPC 79-23-00 Fig.15

 (13)
 IPC 79-23-00 Fig. 20

 D.
Access

 (1)  
Location Zone
 412 Engine 1 - HPT Case
 422 Engine 2 - HPT Case
 432 Engine 3 - HPT Case
 442 Engine 4 - HPT Case

 (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

 E.
Procedure

 S 424-122-N00
 (1)  
Remove the protection caps from the openings of the cooling air tube and HP TCC collector.

 S 424-046-N00

 (2)  
Put the cooling air tube around the HPT case and point the open end
 in the direction of the HP TCC collector.

 S 424-123-N00

 (3)  
Engage the opening of the cooling air tube into the opening of the
 HP TCC collector.

 (a)  
Install the bolt.

 (b)  
Tighten the bolt with your hand.

 S 424-128-N00
 (4)  
For the aft cooling air tube, do the steps that follow:

 (a)  
Lubricate the threads of the bolts, which attach the brackets to the flange N brackets, with engine oil.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(b)  
Install the brackets to the flange N brackets with the bolts and nuts.

 (c)  
Tighten the bolts to 36-40 pound-inches (4.1-4.5
 newton-meters).

 S 424-129-N00
 (5)  For the center cooling air tubes, do the steps that follow:
 (a)  
Lubricate the threads of the bolts, which attach the applicable bridge bracket for the HPT cooling air tube, with engine oil.

 (b)  
Attach the applicable bridge bracket to the flange M and flange N brackets with the bolts and nuts. 1) Tighten the bolts to 36-40 pound-inches (4.1-4.5

 newton-meters).
 S 424-130-N00
 (6)  For the forward cooling air tube, do the steps that follow:
 (a)  
Lubricate the threads of the bolts, which attach the tube clamps for the cooling air tube, with engine oil.

 (b)  
Install the tube clamps for the cooling air tube to the flange M bracket with the bolts and nuts. 1) Tighten the bolts with your hand.

 S 424-131-N00
 (7)  For the center cooling air tubes, do the steps that follow:
　
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