EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-07
ALL ú ú N01A Page 414 ú Feb 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
F. ENGINES PRE-PW-SB 73-84; Connect the thermocouples:
S 424-070-N00
CAUTION: USE THE CORRECT ASSEMBLY PROCEDURE, AND TOOLS, FOR THE HARNESS
_______ CONNECTOR INSTALLATION (AMM 70-24-05/201). IF YOU USE THE INCORRECT ASSEMBLY PROCEDURE, OR TOOLS, A DAMAGED OR LOOSE CONNECTOR CAN OCCUR. A LOOSE CONNECTOR PERMITS VIBRATION, WHICH CAUSES THE CONTACTS TO WEAR AND DECREASES THE LIGHTNING PROTECTION.
(1)
Connect the T2.95 connector to 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)
Remove the protective covers from the connectors.
(c)
Connect the T2.95 connector to the 2.9 bleed valve thermocouple probe.
S 424-069-N00
(2)
Connect the W3P18 connector to the thermocouple probe for the EEC oil temperature as follows (AMM 70-24-05/201):
(a)
Find the thermocouple probe on the front of the gearbox located at the 7 o'clock position.
(b)
Remove the protective covers from the connectors.
(c)
Connect the W3P18 connector to the thermocouple probe.
S 424-068-N00
(3)
Connect the W3P1 connector to the connector for the EEC alternator as follows (AMM 70-24-05/201):
(a)
Find the connectors for the EEC alternator on the bottom side of gearbox located at the 7 o'clock position.
(b)
Remove the protective covers from the connectors.
(c)
Connect the W3P1 connector to the higher of the two connectors for the EEC alternator.
NOTE: You can use the torque adapter (PWA 85749) to tighten
____
the W3P1 connector.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
73-21-07
ALL ú ú N01A Page 415 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 424-067-N00
(4)
Connect the W3P15 connector to the 2.5 bleed valve actuator as follows (AMM 70-24-05/201):
(a)
Find the 2.5 bleed valve actuator on the intermediate cae at the 7:30 o'clock position.
(b)
Remove the protective covers from the connectors.
(c)
Connect the W3P15 connector to the 2.5 bleed valve actuator.
NOTE: You can use the torque adapter (PWA 85749) to tighten
____
the W3P15 connector.
S 424-066-N00
(5)
Connect the W3P17 connector to the air/oil heat exchanger as follows (AMM 70-24-05/201):
(a)
Find the air/oil heat exchanger on the HPC case at the 8 o'clock position.
(b)
Remove the protective covers from the connectors.
(c)
Connect the W3P17 connector to the air/oil heat exchanger.
S 424-065-N00
(6)
Connect the W13P5 connector to the bypass valve solenoid for the fuel/oil cooler as follows (AMM 70-24-05/201):
(a)
Find the bypass valve solenoid for the fuel/oil cooler on the bottom side of the fuel/oil cooler located at the 8 o'clock position.
(b)
Remove the protective covers from the connectors.
(c)
Connect the W3P5 connector to the forward connector on the bypass valve solenoid for the fuel/oil cooler.
G.
ENGINES WITH PW SB 73-84; Connect the thermocouples:
S 424-064-N00
(1)
Install the wire harness to the EEC Oil Temperature thermocouple probe:
(a)
Install the wiring harness terminals to the thermocouple studs and loosely install the nuts to the thermocouple studs.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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(42)
