747-400 AMM 飞机维护手册 滑油 OIL(28)

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
W3J4 ELECTRICAL
CONNECTOR
SEE B
WIRE HARNESS
SEE C
BRACKETS SEE F
A
WIRE HARNESSSEE A SEE D
A FUEL/OIL
FUEL/OIL COOLER
COOLER BYPASS VALVE
(REF)
2. CLAMP
SEE G
1. BOLT
3. UPPER
SEE E
SUPPORT
WIRE

BRACKET
HARNESS

CLAMP (REF) FWD (REF)
(TYPICAL - 2 LOCATIONS)
B
A
4. NUT
2. CLAMP
FWD WIRE HARNESS
FWD
6. BRACKET L-A3525
WIRE HARNESS
STUD  2. CLAMP
5. BRACKET
7. BOLT L-A3525
C D
Bracket and EEC Electrical Connector Installation
Figure 401 (Sheet 1)

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8. LOWER
SUPPORT
L-A3528 BRACKET WIRE
HARNESS
2.  CLAMP
3.  BRACKET
1.  BOLT
WIRE
HARNESS

FWD
16.  BOLT (4 LOCATIONS)
(EXAMPLE - 3 LOCATIONS)
FUEL/OIL
E
15.  WASHER 5. BRACKET COOLER (REF)
14.  BOLT
13.  NUT
12. SUPPORT
F
SUPPORT
(REF)

11.  CLAMP
BYPASS VALVE
SOLENOID
16.  NUT FUEL/OIL COOLER (REF)
3.  BRACKET
WIRE
HARNESS

FUEL/OIL COOLER BYPASS VALVE
9.  EEC ELECTRICAL CONNECTORS
FWD
A-A
G
Bracket and EEC Electrical Connector Installation
Figure 401 (Sheet 2)

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
FUEL/OIL COOLER 1. BYPASS VALVEBYPASS VALVE
FUEL/OIL OIL RETURN TUBE COOLER (REF) SEE B
SEE A
OIL DRAIN
FWD
3. IDG OIL
INLET TUBE  2. OIL INLET TUBE
VIEW IN THE UP DIRECTION
A
FUEL/OIL COOLER BYPASS VALVE
FWD
SOLENOID (V358)

FUEL/OIL COOLER
BYPASS VALVE

6. RETAINER
8. RETAINER
10. RETAINER
9. PACKING  7. PACKING
11. PACKING
TUBE NUT
TUBE NUT
TUBE NUT
2. OIL INLET
1. BYPASS VALVE
TUBE
OIL RETURN TUBE
INLET TUBE

3. IDG OIL
B
Bypass Valve Oil Tube Installation Figure 402
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SEE  A 
FUEL/OIL 
COOLER 
2. RETAINER 
3. PACKING 
FUEL INLET 
RETURN TUBE 
4. FUEL OUTLET 
TUBE 
5. RETAINER 
6. PACKING 
FWD 
5. RETAINER 
6. PACKING 
8. FUEL INLET TUBE 
7. FUEL INLET TUBE 
A 

Fuel Tube Installation
Figure 403

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
FUEL/OIL COOLER (REF)
SEEA B
TUBE NUT
1. PACKING
FUEL/OIL 
ELBOW  COOLER (REF) 
　
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