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时间:2011-04-09 10:23来源:蓝天飞行翻译 作者:航空
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 422 Engine 2 - Intermediate Case 1 o'clock
 432 Engine 3 - Intermediate Case 1 o'clock
 442 Engine 4 - Intermediate Case 1 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


 C.  
Procedure

 (1)
Make sure all electrical power is off (Ref 24-22-00/201).


 S 864-002
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 24-11-16
 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

SEE A
SEE B
INTERMEDIATE CASE
FWD
A

IDG Air/Oil Heat Exchanger Valve Override Pressure Switch Installation
Figure 401 (Sheet 1)

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 24-11-16
 ALL  ú ú 01P Page 402 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

FWD 
SEE  C 
SWITCH S1611 OVERRIDE PRESSURE EXCHANGER VALVE IDG AIR/OIL HEAT 

INTERMEDIATE CASE
ELECTRICAL CONNECTOR DS1611
B
HPC SECONDARY FLOW
CONTROL VALVE AND
IDG AIR/OIL HEAT
EXCHANGER VALVE
OVERRIDE SOLENOID

FWD
C
BOLT
(2 PLACES)
IDG AIR/OIL HEAT EXCHANGER VALVE OVERRIDE PRESSURE SWITCH S1611
SUPPLY TUBE
IDG Air/Oil Heat Exchanger Valve Override Pressure Switch Installation
Figure 401 (Sheet 2)

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A
747-400 MAINTENANCE MANUAL
 S 014-003
 (2)
Open the right thrust reverser half (Ref 78-31-00/201).

 S 014-004

 (3)
Remove the No. 1 fan-exit liner segment (Ref 72-34-03/401).

 S 034-005

 (4)
Disconnect the electrical connector DS1611 from the switch.

 S 034-006

 (5)
Disconnect the tube from the switch.

 S 034-007

 (6)
Remove the two bolts that attach the switch to the bracket.

 S 024-008

 (7)
Remove the pressure switch from the engine.

 S 034-009

 (8)
Install caps on the electrical connector and the tube.


 TASK 24-11-16-404-010
 3.  IDG Air/Oil Heat Exchanger Valve Override Pressure Switch Installation______________________________________________________________________ (Fig. 401)
 A.  Consumable Materials
 (1)
D00390 Oil - Engine

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


 B.  References
 (1)
72-34-03/401, Fan Exit Liner Segment

 (2)
78-31-00/201, Thrust Reverser System

 (3)
IPC 75-33-03 Fig. 1

 (4)
WDM 24-11-11, WDM 24-11-12, WDM 24-11-13, WDM 24-11-14

 (5)
SSM 24-11-01, SSM 24-11-02, SSM 24-11-03, SSM 24-11-04


 C.  Access
 (1)  Location Zone 412 Engine 1 - Intermediate Case 1 o'clock 422 Engine 2 - Intermediate Case 1 o'clock 432 Engine 3 - Intermediate Case 1 o'clock 442 Engine 4 - Intermediate Case 1 o'clock
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 24-11-16
 ALL  ú ú 01P Page 404 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
 
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