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 1.  General_______
 A.  This procedure has two tasks. The first task removes the air/oil heat exchanger, for the integrated drive generator (IDG), from the airplane. The second task installs the heat exchanger on the airplane.
 B.  This procedure refers to the IDG air/oil heat exchanger as the heat exchanger.
 TASK 24-11-04-004-001
 2.  Remove the IDG Air/Oil Heat Exchanger (Fig. 401)_____________________________________
 A.  Equipment
 (1)  
Overflow drain hose with an adapter
 Ozone OMP2505-3

 (2)  
Container - 3 gallon capacity

 B.  References
 (1)  
AMM 71-11-04/201, Fan Cowl Panels

 (2)  
AMM 71-00-00/501, Power Plant

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

 C.  Access
 (1)  
Location Zones
 410 Power Plant Nacelle (Left)
 420 Power Plant Nacelle (Right)

 (2)  
Access Panels
 413, 423 Fan Cowl Panels (Left)
 414, 424 Fan Cowl Panels (Right)
 415, 425 Thrust Reverser Panels (Left)
 416, 426 Thrust Reverser Panels (Right)

 

 D.  Prepare for the Removal
 S 044-005
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
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A 757 MAINTENANCE MANUAL
5. BOLTS (9 PLACES)
4. NUT
FIREWALL
SEE A
SEE B

SEE E
SEE G
SEE D
1. BOLT
2.
 NUT

3.
 WASHER

OUTLET AIR DUCT C
SEE C
SEE H
FIREWALL
IDG AIR/OIL SEE F HEAT EXCHANGER
FWD
SEE I
IDG AIR/OIL HEAT EXCHANGER INTEGRATED DRIVE GENERATOR
AB

IDG Air/Oil Heat Exchanger Installation Figure 401 (Sheet 1)
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A

757
MAINTENANCE MANUAL

10. BOLTS
13. NUTS INLET FACE COOLER FACE
8. BOLT
9. O-RINGS  10. BOLT  12. D-WASHERS DOUBLE BRACKET POSITION BRACKET 11. WIRE HARNESS (2 LOCATIONS) (TOP ONLY) 11. BRACKET 
BRACKET SUPPORT 21. TOP  INLET FACE  F  COOLER FACE 
22. BRACKET  16. BOLTS 
D SUPPORT BRACKET  23. WASHERS G SINGLE BRACKET POSITION 
OIL LINES 
E  25. NUTS 
19. BOLTS 
10. BOLT  13. NUT  24. WASHERS 
H NON BRACKET POSITION 12. D-WASHER 11. WASHER  18. BRACKET  SUPPORT BRACKET I 17. BRACKET 16. BOLTS BRACKET SUPPORT 20. BOTTOM 

IDG Air/Oil Heat Exchanger Installation
Figure 401 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

RAM 
TOP 
SUPPORT 
LINK 
SEE  C 
IDG AIR/OIL 
HEAT EXCHANGER 
SEE  A 
FIREWALL 

OUTLET DUCT
FWD
SEE B
BOTTOM SUPPORT LINK
SEE D
IDG AIR/OIL HEAT EXCHANGER A
OUTLET DUCT TOP SUPPORT LINK BOTTOM SUPPORT LINK
B
CD

A9831
IDG Air/Oil Heat Exchanger Outlet Duct Support Points
　
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