(3)
 and DM7198B (23).

 S 434-029-N00
 (16) Remove the protection caps from the electrical connectors (4, 5, 6, 20, 21, and 22) and the programming plug (1).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-04
 ALL  ú ú N01 Page 409 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 434-030-N00
 CAUTION: MAKE SURE YOU CORRECTLY INSTALL THE ELECTRICAL CONNECTORS AND
_______ THE PROGRAMMING PLUG. AN INCORRECT INSTALLATION CAN CAUSE DAMAGE TO THE ELECTRICAL CONNECTOR OR PROGRAMMING PLUG.
 (17) Connect the electrical connectors (3, 4, 5, 6, 20, 21, 22, and 23) and the programming plug (1) to the receptacles on the EEC (2) with the steps that follow:
 NOTE: Use the table below for the correct installation of the
____
 electrical connector and the programming plug.

 ~...........................
 | ITEM | EEC |
 | NUMBER | RECEPTACLE |
 .............................
 | (1) | J9DEP |
 .............................
 | (3) | J5A/F |
 .............................
 | (4) | J6FCU |
 .............................
 | (5) | J7ENG |
 .............................
 | (6) | J8PWR |
 .............................
 | (20) | J4PWR |
 .............................
 | (21) | J3ENG |
 .............................
 | (22) | J2FCU |
 .............................
 | (23) | J1A/F |
 2.............….............1

 (a)  
Examine the programming plug and the receptacle for pins which are bent and contamination.

 (b)  
Carefully make the pins, which are bent, straight.

 (c)  
Clean the connection if it is necessary.

 (d)  
Align the keyway and push the programmimg plug into the
 receptacle.

 (e)  
While you push in on the programming plug, tighten the coupling ring with your hand.

 NOTE: The electrical connectors and the programming plug are
____ correctly attached when you cannot see the color band near the threads.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 73-21-04
 ALL  ú ú N03 Page 410 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 214-034-N00
 CAUTION: MAKE SURE THE WIRE HARNESSES FORWARD AND REARWARD OF THE EEC DO
_______ NOT EXTEND MORE THAN THE OUTER SURFACE OF THE EEC. IF NOT, THE WIRE HARNESSES CAN TOUCH THE FAN COWL PANEL WHICH CAN CAUSE DAMAGE.
 (18)
 Make sure the wire harnesses do not extend more than the outer surface of the EEC.

 G.
Put the Airplane Back to Its Usual Condition

 S 414-031-N00
 (1)  
Close the right fan cowl panel (AMM 71-11-04/201).

 S 864-032-N00

 (2)  
For the applicable engine, remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:

 (a)  
6F15 ENG 1 PERF SOL PWR A/APU ENG START
 or ENG 1 PERF SOL PWR A

 (b)  
6F16 ENG 1 PERF SOL PWR B

 (c)  
6G23 ENG SCU 1

 (d)  
6E15 ENG 2 PERF SOL PWR A

 (e)  
6E16 ENG 2 PERF SOL PWR B

 (f)  
6G16 SCU ALT PWR ENG 2

 (g)  
6G24 ENG SCU 2

 (h)  
6D15 ENG 3 PERF SOL PWR A

 (i)  
6D16 ENG 3 PERF SOL PWR B

 (j)  
6G17 SCU ALT PWR ENG 3

 (k)  
6G25 ENG SCU 3

 (l)  
6C15 ENG 4 PERF SOL PWR A

 (m)  
6C16 ENG 4 PERF SOL PWR B

 (n)  
6G18 SCU ALT PWR ENG 4

 (o)  
6G26 ENG SCU 4

 S 714-033-N00
 (3)  Do the test for the Electronic Engine Control (EEC) that is shown in the Power Plant Test Reference Table (AMM 71-00-00/501).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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 發動機燃油和控制 2(18)