DATE02SEP90 GMT 18:54:04
ELECTRONIC PROPULSION CONTROL SYSTEM
AUXILIARY EICAS DISPLAY (EPCS) MAINTENANCE PAGE
A A
Oil Temperature Indication
Figure 501
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ALL ú ú N01 Page 502 ú Oct 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A75567
NO. 3 BEARING OIL TEMPERATURE THERMOCOUPLE PROBE - REMOVAL/INSTALLATION
_______________________________________________________________________
1. General
_______
A. This procedure gives the instructions to remove and install the thermocouple probe for the oil temperature of the No. 3 bearing.
B. The thermocouple probe is installed in the return line for the scavenge oil of the No. 3 bearing immediately before the connection to the lubrication and scavenge oil pump.
C. You can get access to the thermocouple probe through the right thrust reverser.
TASK 79-34-01-004-001-N00
2. Remove the No. 3 Bearing Oil Temperature Thermocouple Probe (Fig. 401)
___________________________________________________________
A. Standard Tools and Equipment
(1)
Container - 1 U.S. gallon (4 liter) capacity,
used to catch the oil
B.
References
(1)
AMM 71-11-04/201, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser System
(4)
AIPC 79-22-00 Fig. 10
C.
Access
(1)
Location Zone 412 Engine 1 - Main Gearbox Aft Face 6 o'clock 422 Engine 2 - Main Gearbox Aft Face 6 o'clock 432 Engine 3 - Main Gearbox Aft Face 6 o'clock 442 Engine 4 - Main Gearbox Aft Face 6 o'clock
(2)
Access Panel
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.
Prepare to Remove the Thermocouple Probe
S 864-015-N00
(1) For the applicable engine, open these circuit breakers and install the DO-NOT-CLOSE tag:
(a) P6 Main Power Distribution Panel
1) 6G15 SCU ALT PWR ENG 1
2) 6G23 ENG SCU 1
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
N0. 3 BEARING
SCAVENGE OIL
SEE A RETURN LINE
NO. 3 BEARING
OIL TEMPERATURE
THERMOCOUPLE PROBE
SEE B
ELECTRICAL
CONNECTOR
LUBRICATION AND SCAVENGE OILINTEGRATED DRIVEPACKING PUMP (REF)GENERATOR (REF) FWD
A
NO. 3 BEARING OIL TEMPERATURE THERMOCOUPLE PROBE
B
No. 3 Bearing Oil Temperature Thermocouple Probe Installation Figure 401
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本文链接地址:747-400 AMM 飞机维护手册 滑油 OIL(127)