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 49-14-00
 ALL  ú ú 05 Page 415 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  P83 Panel, E8 Aft Equipment Center
 1) APU PRIMARY CONT

 S 864-147
 (7)  Remove the DO-NOT-OPERATE tag from the APU control switch on the P5 panel.
 TASK 49-14-00-404-149
 5.  APU WITH A WIRE HARNESS JUMPER (PRE-PWC-SB 16142); APU Rear Wire Harness Installation (Fig. 402)__________________________________
 A.  Consumable Materials
 (1)  
A00081 Sealant - RTV 106

 (2)  
B00715 Solvent - Methyl Ethyl Ketone

 (3)  
G01043 Cloth - Lintfree

 B.  
References

 (1)  
WDM 49-11-16, 49-11-17, 49-11-18

 (2)  
SSM 49-11-01

 (3)  
IPC 49-14-00 Fig. 1

 C.  
Access

 (1)  
Location Zone 317 APU Compartment-Aft of Air Inlet Plenum on APU Engine, LH

 318  APU Compartment-Aft of Air Inlet Plenum on APU Engine, RH

 (2)  
Access Panel
 317AL APU Access Door
 318AR APU Access Door

 D.  
Procedure

 S 094-150
 (1)  Remove the caps and the plugs from all the connectors and receptacles before you connect each electrical connector.
 S 114-160
 WARNING: DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS ARE HAZARDOUS MATERIALS. SOLVENTS MAY BE FLAMMABLE OR HARMFUL TO THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS (MSDS) AND LOCAL REQUIREMENTS FOR PROPER HANDLING PROCEDURES.
 (2)  Clean the area of the harness support bracket around the J1 connector with the cloth made moist with solvent, Series 92 (AMM 20-30-92).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 49-14-00
 ALL  ú ú 04 Page 416 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 424-151
 (3)  Install the rear wire harness (Fig. 402):
 NOTE: The torque value for all the cable clamp bolts is 36-40
____ pound-inches (4.1-4.5 newton-meters). All the connectors must be tightened with your hands.
 (a)  
Put the wire harness in its position on the aft side of the APU engine.

 (b)  
Attach the J1 connector (34) to the harness support bracket with the four screws (35). 1) Tighten the screws (35) to 10-12 pound-inches

 (1.2-1.4 newton-meters).

 (c)  
Attach the wire harness to the harness support bracket with the clamp (32) and the bolt (33).

 (d)  
Connect the P4 connector (30) to the fuel metering unit (31).

 NOTE: The connector is fully tightened when you cannot see
____
 the red color band.

 (e)  
Attach the P4 section of the harness to the drain line for the fuel pump with the clamp (31), the bolt (26), and the nut (8).

 (f)  
Attach the P4 section of the harness to the drain line for the fuel pump with the two clamps (29), the two bolts (28), and the two nuts (8).

 (g)  
Connect the P3 connector (14) to the fuel pump.

 NOTE: The connector is fully tightened when you cannot see
____
 the red color band.

 (h)  
Attach the P3 section of the harness to the drain line for the fuel pump with the clamp (11), the bolt (12), and the nut (8).

 (i)  
Attach the P3 section of the harness to the harness support bracket with the two clamps (11), and the two bolts (12).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 49-14-00
 ALL  ú ú 04 Page 417 ú Oct 18/99
　
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