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时间:2011-04-17 09:13来源:蓝天飞行翻译 作者:航空
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Valve Override Solenoid Installation
Figure 401

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITHOUT PHASE 3 CHANGES ú

 75-33-04
 ú ú N01 Page 402 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
5) 6D15 ENG 3 PERF SOL PWR A
 6) 6D16 ENG 3 PERF SOL PWR B
 7) 6C15 ENG 4 PERF SOL PWR A
 8) 6C16 ENG 4 PERF SOL PWR B

 S 014-030-N00
 (2)  Open the right fan cowl panel (AMM 71-11-04/201).
 S 044-041-N00
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (3)  
Do this procedure: Thrust Reverser Deactivation for Ground
 Maintenance (AMM 78-31-00/201).


 S 014-032-N00

 (4)  
Open the right core cowl panel (AMM 71-11-06/201).


 S 014-042-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (5)  
Open the right thrust reverser (AMM 78-31-00/201).

 S 014-004-N00

 (6)
Remove the No. 1 segment of the fan exit liner (AMM 72-34-03/401).

 D.
Procedure


 S 024-045-N00
 (1)  Remove the override solenoid:
 (a)  
Disconnect the EEC electrical connectors from the override solenoid. 1) Install protection caps to the EEC electrical connectors

 and their receptacles on the override solenoid.

 (b)  
Disconnect the supply tube and air signal tube from the override solenoid.

 (c)  
Disconnect the pressure switch tube from the adapter on the top of the override solenoid.


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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(d)  
Disconnect the pressure switch tube from the override pressure switch.

 (e)  
Remove the pressure switch tube from the engine.

 (f)  
Remove the four bolts which attach the override solenoid, the loop clamp bracket and the bracket for the pressure switch to the intermediate case.

 (g)  
Move the bracket with the override pressure switch away from the work area.

 (h)  
Remove the override solenoid from below the loop clamp bracket.


 S 024-049-N00
 (2)  
If it is necessary to replace the override solenoid, do the steps that follow:

 (a)  
Remove the plug, the two adapters and the gaskets from the rear of the override solenoid. 1) Discard the gaskets.

 (b)  
Remove the cap from the adapter on the top of the override solenoid.

 (c)  
Remove the two adapters and gaskets from the top of the override solenoid. 1) Discard the gaskets.


 S 024-046-N00
 (3)  Install protection covers to all open line ends and the openings in the override solenoid.
 TASK 75-33-04-404-013-N00
 3.  Install the HPC Secondary Flow Control Valve and IDG Air/Oil Heat Exchanger___________________________________________________________________________ Valve Override Solenoid (Fig. 401)_______________________
 A.  Equipment
 (1)  M303, M305, or M307 Bergen Mechanical Crimper
 Bergen Cable Technologies Inc
 170 Gregg St

 P.O.
 Box 1300
 Lodi, NJ 07644-9982


 B.  
Consumable Materials


 (1)  
D00390 Oil - Engine

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


 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITHOUT PHASE 3 CHANGES ú
 
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本文链接地址:747-400 AMM 飞机维护手册 大气 AIR 2(105)