(e)
Remove the bolt and nut which attach the W6 harness clamp to the bracket (View D).
(f)
Remove the bolt and nut which attach the W6 harness to the bracket (View D).
(g)
Remove the bolts and nuts which attach the W6 harness to the support tube [12 locations between the EGT (TT4.95) thermocouple terminal box and EEC thermocouple (TT3) probe] (Views E, F, G, H, and I).
(h)
Remove the bolt and nut which attach the W6 harness and support tube clamp to the bracket (View J).
(i)
Remove the bolt and nut which attach the two W6 harness sections and ground lead to the support tube (View J).
(j)
Remove the bolt and nut which attach the W6 harness and support tube to the bracket on the fuel injector support (View K).
(k)
Remove the bolt and nut which attach the W6 harness to the tube support (View L).
(l)
Remove the bolt and nut which attach the W6 harness to the bracket (View M).
(m)
Remove the W6 harness from the engine.
TASK 73-21-07-404-001-N00
9. Install the W6 EEC Wiring Harness (Fig. 405)
_________________________________
A. Consumable Materials
(1)
D00390 Oil - Engine
B.
References
(1)
AMM 70-24-05/201, Electrical Harnesses
(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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-07
ALL ú ú N01A Page 472 ú Oct 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(5)
AMM 73-21-07/601, EEC Wiring Harness
(6)
AMM 78-31-00/201, Thrust Reverser System
(7)
AIPC 73-21-07 Fig. 5
(8)
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
C.
Access
(1)
Location Zones 412 Engine 1 - LPT Case 5:30 o'clock, HPT Case and Diffuser and Combustor Case 3:30 o'clock 422 Engine 2 - LPT Case 5:30 o'clock, HPT Case and Diffuser and Combustor Case 3:30 o'clock 432 Engine 3 - LPT Case 5:30 o'clock, HPT Case and Diffuser and Combustor Case 3:30 o'clock
442 Engine 4 - LPT Case 5:30 o'clock, HPT Case and Diffuser and Combustor Case 3:30 o'clock
(2)
Access Panels
416 Right Thrust Reverser Half - Engine 1
426 Right Thrust Reverser Half - Engine 2
436 Right Thrust Reverser Half - Engine 3
446 Right Thrust Reverser Half - Engine 4
D.
Procedure
S 424-195-N00
(1)
Do these steps to install the W6 harness on the engine:
(a)
Do an examination of the W6 wiring harness (AMM 73-21-07/601).
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.
(b)
Install the W6 harness on the right side of the engine along the support tube.
(c)
Remove the caps from the W6P12 electrical connector and the W5J12 electrical connector.
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73-21-07
ALL ú ú N01A Page 473 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
CAUTION:_______ USE THE CORRECT ASSEMBLY PROCEDURE, AND TOOLS, FOR
THE HARNESS CONNECTOR INSTALLATION IF YOU USE THE
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