747-400 AMM 飞机维护手册 滑油 OIL(131)

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 C.  An operational test is not given because it is necessary to have a clogged oil filter.
 TASK 79-35-00-735-001-N00
 2.  System Test - Oil Filter Bypass Warning System (Fig. 501 and 502)
______________________________________________
 A.  Standard Tools and Equipment
 (1)  
Air Source - Compressed Dry Filtered, 0-100 psi
 (0-667 kPa)

 (2)
Valve - Shutoff

 (3)
Valve - Vent

 (4)  
Gauge - Pressure, 0-100 psi (0-667 kPa) range,
 1% accuracy

 B.  
References

 (1)
AMM 24-22-00/201, Manual Control

 (2)
AMM 31-61-00/501, Integrated Display System

 (3)
AMM 45-10-00/501, Central Maintenance Computer

 (4)
AMM 71-00-00/501, Power Plant

 (5)
AMM 71-11-04/201, Fan Cowl Panels

 (6)
AMM 71-11-06/201, Core Cowl Panels

 (7)
AMM 78-31-00/201, Thrust Reverser System

 (8)
WDM 79-35-11

 (9)
SSM 79-35-01

 C.  
Access

 (1)  
Location Zone
 221 Control Cabin, LH
 222 Control Cabin, RH

 

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 ALL  ú ú N01 Page 501 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE  A 
(REGULATOR) OIL SYSTEM PRESSURE RELIEF VALVE (REF)  FILTER (REF) MAIN OIL 

OIL FILTER OUTLET
PRESSURE TUBE

OIL FILTER INLET PRESSURE TUBE
OIL FILTER TUBE NUT
DIFFERENTIAL
PRESSURE SWITCH,
S1583

FWD
VIEW IN THE UP DIRECTION
1 ENGINES WITHOUT PW SB 79-70 1
A
2 ENGINES WITH PW SB 79-70
Oil Filter Differential Pressure Switch Location
Figure 501 (Sheet 1)

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 ALL  ú ú N01 Page 502 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
OIL SYSTEM PRESSURE (REGULATOR)
BRACKET
RELIEF VALVE (REF)
OIL FILTER OUTLET PRESSURE TUBE
OIL FILTER DIFFERENTIAL PRESSURE SWITCH
ELECTRICAL
CONNECTOR

MAIN OIL FILTER (REF)
BOLT, WASHER, NUT (3 LOCATIONS)
OIL FILTER INLET PRESSURE TUBE
OIL PRESSURE TUBE NUT (2 LOCATIONS) FWD
VIEW IN THE UP DIRECTION A2
E54362
Oil Filter Differential Pressure Switch Location
Figure 501 (Sheet 2)

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 ALL  ú ú N01 Page 503 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(2)  
Access Panel 415 Left Thrust Reverser Half - Engine 1 425 Left Thrust Reverser Half - Engine 2 435 Left Thrust Reverser Half - Engine 3 445 Left Thrust Reverser Half - Engine 4

 D.
Preconditions

 S 865-054-N00
 (1)
These conditions are necessary for this task:

 (a)
Electric power on (AMM 24-22-00/201).

 

Oil Filter Bypass Warning System Test Schematic
Figure 502

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 ALL  ú ú N01 Page 504 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(b)  
Engine Indicating and Crew Alert System (EICAS), serviceable (AMM 31-61-00/201).

 (c)  
Central Maintenance Computer System (CMCS), serviceable (AMM 45-10-00/201).
　
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