(2)
The IDG air/oil heat exchanger installation.
B.
A procedure to remove the IDG air/oil heat exchanger valve (valve) is included in the IDG air/oil heat exchanger (heat exchanger) removal.
C.
A procedure to install the valve is included in the heat exchanger installation.
D.
The heat exchanger and the valve are found on the engine intermediate case, at the 4 o'clock position.
E.
Open the right thrust reverser half to get access to the heat exchanger and the valve.
TASK 24-11-14-004-001
2. IDG Air/Oil Heat Exchanger Removal (Fig. 401)__________________________________
A. Special Tools and Equipment
(1)
PWA 85853 - Torque Adapter, Pratt & Whitney, Commercial Products Division, 400 Main Street, East Hartford, CT 06108
B.
Standard Tools and Equipment
(1)
Container - 5 U.S. gallon (20 liter) capacity - suitable to collect oil drainage from IDG
C.
References
(1)
AMM 24-11-00/201, Generator Drive System
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 72-34-03/401, Fan Exit Liner Segment
(4)
AMM 78-31-00/201, Thrust Reverser System
(5)
IPC 24-11-01 Fig. 1
(6)
IPC 24-11-14 Fig. 1
(7)
IPC 24-11-51 Fig. 1
(8)
IPC 71-71-01 Fig. 1
(9)
IPC 75-32-00 Fig. 5
(10)
WDM 24-11-11, WDM 24-11-12, WDM 24-11-13, WDM 24-11-14
(11)
SSM 24-11-01, SSM 24-11-02, SSM 24-11-03, SSM 24-11-04
D.
Access
(1)
Location Zone
412 Engine 1 - Intermediate Case 4 o'clock
422 Engine 2 - Intermediate Case 4 o'clock
432 Engine 3 - Intermediate Case 4 o'clock
442 Engine 4 - Intermediate Case 4 o'clock
(2)
Access Panel
416 Right Thrust Reverser Half - Engine 1
426 Right Thrust Reverser Half - Engine 2
436 Right Thrust Reverser Half - Engine 3
446 Right Thrust Reverser Half - Engine 4
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24-11-14
ALL ú ú 01P Page 401 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
INTERMEDIATE CASE
FWD
SEE A FAN EXIT LINER SEGMENT
UPPER MOUNTING
BRACKET
24. UPPER BRACKET
SERVO 23. IDG AIR/OIL SEE B C D
SERVO FUEL HEAT EXCHANGER
FUEL SUPPLY 22. PACKING 1. BOLT A
RETURN MANIFOLD (4 PLACES)
MANIFOLD 21. OIL-OUT TUBE
20. SWIVEL
COLLAR OIL-OUT
19. BOLT PORT 2. BOLT
(3 PLACES) (4 PLACES)
18. SERVO FUEL
SUPPLY TUBE 3. WASHER
(10 PLACES)
17. BOLT
(2 PLACES)
16. HARNESS SEE E BRACKET
4. BOLT (10 PLACES)
MOUNTING BRACKET
5. PACKING
15. ELECTRICAL (2 PLACES)
CONNECTOR 6. IDG AIR/OIL
DV350 HEAT EXCHANGEROIL-INRECEPTACLE VALVE V350PORT
14. SERVO FUEL RETURN TUBE
9. 9. DRAIN TUBE
8. PACKING
7. LOWER BRACKET
DRAIN MANIFOLD
13. BOLT
10. OIL-IN ADAPTERLOWER11. OIL-IN 12. OIL-IN MOUNTINGTUBEELBOW BRACKET
B
L-A2105 IDG Air/Oil Heat Exchanger Installation Figure 401 (Sheet 1)
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24-11-14
ALL ú ú 01P Page 402 ú Apr 10/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
38. TUBE
37. TUBE COUPLING
COUPLING 25. TUBE COUPLING NUT NUT
NUT
36. ADAPTER
36. ADAPTER
35. PACKING 26. ADAPTER
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