S 024-132-N00
(15)
Remove the bolts, nuts, and clamps that attach the W5 harness to the brackets and tubes on the HPC case and gearbox.
(16)
Remove the W5 harness from the engine.
S 024-131-N00
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-07
ALL ú ú N01A Page 456 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
TASK 73-21-07-404-130-N00
7. Install the EEC Wiring Harness W5_________________________________
A. Equipment
(1)
Strap Wrench, Model TG-70
(2)
Torque Adapter PWA 85749 (optional)
~..................................................................... | HARNESS CONNECTORS WHERE THE TORQUE ADAPTER (PWA 85749) CAN BE USED | ....................................................................... | CONNECTOR | COMPONENT | ....................................................................... | W5P6 | EEC Alternator (N2 Transducer) | ....................................................................... | W5P11 | 2.9 Bleed Valve Solenoid | 2............…........................................................1
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 70-24-05/201, Electrical Harnesses
(3)
AMM 71-00-00/501, Power Plant
(4)
AMM 71-11-04/201, Fan Cowl Panels
(5)
AMM 71-11-06/201, Core Cowl Panels
(6)
AMM 78-31-00/201, Thrust Reverser System
(7)
AIPC 73-21-07 Fig. 13
(8)
WDM 71-51-11, WDM 71-51-13, WDM 71-51-14, WDM 71-51-15, WDM 71-51-16, WDM 73-12-15, WDM 73-12-25, WDM 73-12-35, WDM 73-12-45, WDM 76-11-11, WDM 76-11-21, WDM 76-11-31, WDM 76-11-41, WDM 77-12-21, WDM 77-12-22, WDM 77-12-23, WDM 77-12-24
(9)
SSM 73-21-01, SSM 76-11-01, SSM 76-11-02, SSM 76-11-03, SSM 76-11-04, SSM 77-12-02
D.
Access
(1)
Location Zones
412 Engine 1 - HPC Case
422 Engine 2 - HPC Case
432 Engine 3 - HPC Case
442 Engine 4 - HPC Case
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-07
ALL ú ú N01A Page 457 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(2)
Access Panels
415 and 416 Thrust Reverser Halves - Engine 1
425 and 426 Thrust Reverser Halves - Engine 2
435 and 436 Thrust Reverser Halves - Engine 3
445 and 446 Thrust Reverser Halves - Engine 4
E.
Procedure
S 424-172-N00
CAUTION: DO NOT TWIST OR BEND THE WIRE HARNESS MORE THAN NECESSARY
_______ DURING THE INSTALLATION OF THE WIRE HARNESS. IF THE WIRE HARNESS IS TWISTED OR BENT, YOU CAN CAUSE DAMAGE TO THE WIRE HARNESS.
(1)
Install the W5 harness on the left and right side of the engine.
(a)
Find the bracket for the W5J26 connector at the 1:00 o'clock position on the HPC case.
(b)
Remove the protective covers from the electrical connector.
(c)
Temporarily attach the W5J26 connector flange to the bracket with a lockwire.
(d)
Install protective cover on the W5J26 connector.
(e)
Find the sections of the W5 harness that are attached to the connectors that follow: W5P1, W5P7, W5P8, W5P11, and W5J12.
(f)
Put these sections of the W5 harness over the top and let them hang down the right side of the engine.
(g)
Remove the protective cover from W5J26 connector.
(h)
Remove the lockwire that attaches the W5J26 connector flange to the bracket.
(i)
Attach the W5J26 connector to the bracket. 1) Make sure the tracer cord is pointed outboard.
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 发动机燃油和控制 2(55)
