73-21-07
ALL ú ú N01A Page 410 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 024-042-N00
CAUTION: DO NOT TWIST OR BEND THE WIRE HARNESS MORE THAN NECESSARY
_______ DURING THE REMOVAL OF THE WIRE HARNESS. IF THE WIRE HARNESS IS TWISTED OR BENT, YOU CAN CAUSE DAMAGE TO THE WIRE HARNESS.
(6)
Disconnect the W3J24 connector from the W1P24 connector as follows:
(a)
Find the W1P24 connector at the 10 o'clock position on the High Pressure Compressor (HPC) case.
(b)
Disconnect the W3J24 connector from the W1P24 connector.
(c)
Remove the two bolts and retainers that attach the W3J24
connector to the bracket on the HPC case.
(d)
Remove the W3J24 connector from the bracket.
(e)
Install protective covers on the electrical connectors.
S 024-052-N00
(7)
Disconnect the W3P5 connector from the bypass valve solenoid for the fuel/oil cooler as follows:
(a)
Find the W3P5 connector attached to the bypass valve solenoid for the fuel/oil cooler at the 8 o'clock position.
(b)
Disconnect the W3P5 connector.
(c)
Install protective covers on the electrical connectors.
S 024-051-N00
(8)
Disconnect the W3P17 connector from the air/oil heat exchanger as follows:
(a)
Find the W3P13 connector attached to the air oil heat exchanger located at the 8 o'clock position.
(b)
Disconnect the W3P17 connector from the air/oil heat exchanger.
(c)
Install protective covers on the electrical connectors.
S 024-050-N00
(9)
Disconnect the W3P15 connector from the 2.5 bleed valve actuator as follows:
(a)
Find the W3P15 connector attached to the 2.5 bleed valve actuator on the intermediate case located at the 7:30 o'clock position.
(b)
Disconnect the W3P15 connector from the 2.5 bleed valve
actuator.
NOTE: You may use the torque adapter (PWA 85749) to disconnect
____
the W3P15 connector.
(c) Install protective covers on the electrical connectors.
S 024-049-N00
(10)
Disconnect the W3P1 connector from the EEC alternator as follows:
(a)
Find the W3P1 connector on the left side of the gearbox located at the 7 o'clock position.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-07
ALL ú ú N01A Page 411 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(b) Disconnect the W3P1 connector from the EEC alternator connector.
NOTE: You can use the torque adapter (PWA 85749) to remove the
____
W3P1 connector.
(c) Install protective covers on the electrical connectors.
S 024-048-N00
(11)
Disconnect the W3P18 connector from the EEC oil temperature thermocouple probe as follows:
(a)
Find the W3P18 connector on the front side of the gearbox located at the 7 o'clock position.
(b)
Disconnect the W3P18 connector from the EEC oil temperature thermocouple probe.
(c)
Install protective covers on the electrical connectors.
S 024-047-N00
(12)
Disconnect the T2.95 connector from the 2.9 bleed valve thermocouple probe as follows:
(a)
Find the T2.95 connector on the left bleed valve located at the 10 o'clock position.
(b)
Disconnect the T2.95 connector from the 2.9 bleed valve thermocouple probe.
(c)
Install protective covers on the electrical connectors.
S 024-046-N00
(13)
Remove the bolts, nuts, and clamps that attach the W3 harness to the brackets and support tubes on the HPC case and the gearbox.
S 024-045-N00
(14)
Remove the applicable harness ties.
S 024-044-N00
(15)
Remove the W3 harness from the engine.
TASK 73-21-07-404-043-N00
3. Install the EEC Wiring Harness W3 (Fig. 401)
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本文链接地址：747-400 AMM 飞机维护手册 发动机燃油和控制 2(40)
