S 864-002-N00
(1) For the applicable engine, open these circuit breakers and install the DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
1) 6G1 FUEL SHUTOFF VALVE ENG 1
2) 6G15 SCU ALT PWR ENG 1
3) 6G23 ENG SCU 1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITH PHASE 3 CHANGES OR ú
75-24-13
PRE-PW-SB 75-107 ú ú N03 Page 401 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
Turbine Vane and Blade Cooling Air Valve Position Switch Installation
Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITH PHASE 3 CHANGES OR ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
4) 6G2 FUEL SHUTOFF VALVE ENG 2
5) 6G16 SCU ALT PWR ENG 2
6) 6G24 ENG SCU 2
7) 6G3 FUEL SHUTOFF VALVE ENG 3
8) 6G17 SCU ALT PWR ENG 3
9) 6G25 ENG SCU 3
10) 6G4 FUEL SHUTOFF VALVE ENG 4
11) 6G18 SCU ALT PWR ENG 4
12) 6G26 ENG SCU 4
S 044-022-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.
(2)
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
S 014-014-N00
(3)
Open the right fan cowl panel (AMM 71-11-04/201).
S 014-015-N00
(4)
Open the right core cowl panel (AMM 71-11-06/201).
S 014-023-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 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).
D.
Remove the Position Switch for the TVBCA Valve
S 034-004-N00
(1)
Disconnect the electrical connector from the position switch on the right TVBCA valve.
S 024-005-N00
(2)
Remove the bolts which attach the position switch to the TVBCA valve.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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S 024-016-N00
(3)
Remove the position switch from the engine.
S 034-006-N00
(4)
Install the protection caps on the openings of the TVBCA valve and the position switch.
TASK 75-24-13-404-007-N00
3. Install the Turbine Vane and Blade Cooling Air Valve Position Switch____________________________________________________________________ (Fig. 401)
A. Standard Tools and Equipment
(1)
Wrench - Strap, Model TG-70, Glenair, Inc., 1211 Air Way, Glendale, CA 91201; or Model BT-BS-601, Daniels Mfg. Corp., 6103 Anno Ave., Orlando, FL 32809
B.
Consumable Materials
(1)
D00390 Oil - Engine
(2)
Lockwire - AS3214-01
C.
References
(1)
AMM 70-23-00/201, Tightening Techniques and Torque Values
(2)
AMM 71-00-00/501, Power Plant
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 71-11-06/201, Core Cowl Panels
(5)
AMM 78-31-00/201, Thrust Reverser System
(6)
IPC 75-24-03 Fig. 1
D. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 大气 AIR 2(8)
