49-14-00
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A
747-400
MAINTENANCE MANUAL
~................................................................... | TABLE I | ..................................................................... | Electrical | Mating | | | Connector | Component | Approximate Location | ..................................................................... | í P12 | Serial Number | Lower Aft Left Side of the Inlet | | | I.D. Unit | Plenum | | í P15 | N2 Speed | Left Side of the Accessory Gearbox | | | Sensor | | | í P17 | IGV Actuator | Left Side of the Engine Between the | | | | Inlet Plenum and the Compressor | | | | Scroll | | í P18 | N1 Speed | Upper Left Side of the Load Gearbox | | | Sensor | | | í P19 | Oil Quantity | Bottom Right Side of the Load Gearbox| | | Sensor | | | í P20 | T13 Air Temp. | Upper Forward Side of the APU on the | | | Sensor | ECS Pneumatic Duct | | í P21 | Diverter Valve| Upper Right Side of the Compressor | | | Control Unit| Scroll | | t P22 | J22 Harness | Bottom of the APU on Lower Bracket | | | Connector | | | | | | | í P23 | T12 Air Temp. | Lower Forward Side of the Inlet | | | Sensor | Plenum | 2............…...............…......................................1
TASK 49-14-00-004-122
2. APU WITH A WIRE HARNESS JUMPER (PRE-PWC-SB 16142); APU Front Wire Harness Removal (Fig. 401)______________________________
A. References
(1)
WDM 49-11-16, 49-11-17, 49-11-18
(2)
SSM 49-11-01
(3)
IPC 49-14-00 Fig. 1
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MAINTENANCE MANUAL
2.
P22 CONNECTOR
3.
CLAMP
1. J22 CONNECTOR 4. P20 CONNECTOR
14. NUT
21. NUT
14. NUT
T13 AIR
20. CLAMP 5. BOLT TEMPERATURE
SEE A SEE B 6. BOLT SENSOR
14. NUT DIVERTER
17. NUT VALVE CONTROL
7. P21 CONNECTOR
6. BOLT
8. CLAMP
8.
CLAMP
9.
BOLT
19. WIRE HARNESS LACING TAPE
JUMPER
17. NUT 9. BOLT 9A. CLAMP
10. BOLT 8. CLAMP OIL LEVEL
SENSOR17. NUT 11. P19 CONNECTOR
18. CLAMP
12. BOLT
17. NUT
15. NUT
T12 AIR TEMPERATURE SENSOR 13. CLAMP
16. P23 CONNECTOR
15. NUT
12.
BOLT
13.
CLAMP FWD
1 SEE SHEET 2
14. NUT
VIEW ON RIGHT SIDE OF ENGINE - FRONT WIRE HARNESS
A
APU Front Wire Harness Installation Figure 401 (Sheet 1)
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MAINTENANCE MANUAL
22.
NUT
23.
CLAMP
22. NUT
24.
NUT
25.
CLAMP
24. NUT
41. P18 25. CLAMP
CONNECTOR
N1 SPEED
SENSOR 26. BOLT
24. NUT
26. BOLT
40. BOLT 26. BOLT IGV ACTUATOR
39. BOLT
27. P17 CONNECTOR
1 FROM 14. NUT
SHEET 1
28. CLAMP
14. NUT
38. BOLT 29. P15 CONNECTOR
37. CLAMP N2 SPEED
SENSOR
36. BOLT
30.
CLAMP
31.
SPACER
14. NUT
35. BOLT
32. CLAMP
FWD HARNESS SUPPORT BRACKET
34. SCREW (4 LOCATIONS)
33. J2 CONNECTOR 6. BOLT
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