(a)  
Install the packing, lubricated with engine oil, in the groove in the outer diameter on the EEC alternator drive gearshaft and bearings assembly.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 72-61-14
 ALL  ú ú N01 Page 409 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(b)  
Install the EEC alternator drive gearshaft and bearings assembly, with the gear end first, into the EEC alternator drive pad.

 (c)  
Make sure the gears engage and the housing touches the drive pad.

 (d)  
Attach the assembly to the main gearbox with the three bolts and washers. 1) Torque the bolts to 62-72 pound-inches (7.005-8.135

 newton-meters).
 F. Put the Airplane Back to Its Usual Condition.
 S 414-014-N00
 (1)  
Install the EEC alternator drive oil seal assembly
 (AMM 72-61-05/401).

 S 414-015-N00

 (2)
Install the EEC alternator rotor and stator (AMM 73-21-05/401).

 S 414-016-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (3)  
Close the thrust reversers (AMM 78-31-00/201).

 S 414-017-N00

 (4)  
Close the core cowl panels (AMM 71-11-06/201).

 S 414-018-N00

 (5)  
Close the fan cowl panels (AMM 71-11-04/201).

 S 444-019-N00

 (6)  
Do the activation procedure for the thrust reverser
 (AMM 78-31-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 72-61-14
 ALL  ú ú N01 Page 410 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 944-020-N00
 (7)  Remove the DO-NOT-OPERATE tag from the ENG START switch on the P5 panel.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 72-61-14
 ALL  ú ú N01 Page 411 ú Jun 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
ANGLE GEARBOX - REMOVAL/INSTALLATION
____________________________________
 1.  General
_______
 A.  This procedure gives the steps for the removal and the installation of the angle gearbox.
 B.  The angle gearbox is located on the intermediate case at the 6 o'clock position. The angle gearbox is the mechanical connection between the high pressure rotor (N2) and accessory components installed on the main gearbox.
 C.  You can open each thrust reverser half to get access to the angle gearbox.
 TASK 72-62-01-004-001-N00
 2.  Remove Angle Gearbox
____________________
 A.  Equipment
 (1)  
Container - 5 gallon (20 liter) capacity, suitable for collecting oil

 (2)  
PWA 85518 - Puller, Pratt & Whitney, Commercial Products Division, 400 Main Street, East Hartford, CT 06108

 (3)  
PWA 101035 - Puller, Jackscrew, Pratt & Whitney

 (4)  
PWA 87502 - Puller, Knocker, Pratt & Whitney (Optional to PWA 101035)

 (5)  
PWA 102830 - Adapter, Pratt & Whitney

 B.  
References

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

 (2)  
AMM 71-11-06/201, Core Cowl Panels

 (3)  
AMM 72-34-03/401, Fan Exit Liner Segment

 (4)  
AMM 78-31-00/201, Thrust Reverser System

 (5)  
AIPC 71-50-00 Fig. 3, AIPC 24-11-01 Fig. 1, AIPC 26-11-02 Fig. 1, AIPC 71-00-50 Fig. 1, AIPC 72-32-01 Fig. 5, AIPC 72-34-00 Fig. 5, AIPC 72-35-60 Fig. 1, AIPC 72-62-01 Fig. 10, AIPC 72-62-01 Fig. 15, AIPC 72-62-01 Fig. 30, AIPC 79-22-00 Fig. 1
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 發動機 ENGINE 2(167)