(c)
Install protective covers on the electrical connectors.
S 024-092-N00
(10)
ENGINES WITH SCU'S; Disconnect the W4P23 connector from the EEC speed transducer (N1).
(a)
Find the W4P23 connector at the EEC speed transducer (N1) on the intermediate case at the 4:30 o'clock position.
(b)
Disconnect the W4P23 connector from the EEC speed transducer (N1).
(c)
Install protective covers on the electrical connectors.
S 024-090-N00
(11)
Disconnect the W4P2 connector from the fuel metering unit as follows:
(a)
Find the W4P2 connector on the fuel metering unit (forward connector) on the front side of fuel pump at the 5 o'clock position.
(b)
Disconnect the W4P2 connector from the fuel metering unit.
(c)
Install protective covers on the electrical connectors.
S 024-089-N00
(12)
Disconnect the W4P4 connector from the solenoid for the 2.9 bleed valve as follows:
(a)
Find the W4P4 connector on the solenoid for the 2.9 bleed valve on the intermediate case at the 5 o'clock position.
(b)
Disconnect the W4P4 connector from the solenoid for the 2.9 bleed valve.
NOTE: You can use the torque adapter (PWA 85749) to disconnect
____
the W4P4 connector.
(c) Install protective covers on the electrical connectors.
S 024-088-N00
(13)
Remove the bolts, nuts, and clamps that attach the W4 harness to the brackets and tubes on the HPC case.
(14)
Remove the W4 harness from the engine.
S 024-087-N00
TASK 73-21-07-404-086-N00
5. Install the EEC Wiring Harness W4 (Fig. 402)
_________________________________
A. Equipment
(1)
Strap Wrench TG-70
(2)
Torque Adapter PWA 85749 (optional)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-07
ALL ú ú N01A Page 430 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
~..................................................................... | HARNESS CONNECTORS WHERE THE TORQUE ADAPTER (PWA 85749) CAN BE USED | ....................................................................... | CONNECTOR | COMPONENT | ....................................................................... | W4P4 | 2.9 Bleed Valve Soleniod | 2............…........................................................1
B. Consumable Materials
(1)
D00390 Oil - Engine
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. 12
(8)
WDM 71-51-12, WDM 71-51-13, WDM 71-51-14, WDM 71-51-23,
WDM 76-11-11, WDM 76-11-21, WDM 76-11-31, WDM 76-11-41,
WDM 77-12-11, WDM 77-12-12, WDM 77-12-13, WDM 77-12-14
(9)
SSM 76-11-01, SSM 76-11-02, SSM 76-11-03, SSM 76-11-04
D.
Access
(1)
Location Zones
412 Engine 1 - HPC Case 1-5 o'clock
422 Engine 2 - HPC Case 1-5 o'clock
432 Engine 3 - HPC Case 1-5 o'clock
442 Engine 4 - HPC Case 1-5 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
E.
Procedure
S 424-114-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 W4J25 connector to the bracket on the High Pressure Compressor (HPC) as follows:
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