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 S 358-033
 (7)  Fold the loose shield strands until they overlap the part of the braid that does not have damage.
 S 358-028
 (8)  Move the damaged shield edge on the open wire as far as you can.
 S 358-029
 (9)  Do these steps to put insulation on the damaged braid: (a) Do these steps to tightly wind one layer of the insulation tape around the braid:
 (b) (c)  1) Start the tape layer one inch (25 mm) from the cable jacket damage. 2) Wind the tape around the cable while you move along the cable until the tape has a 20% overlap. 3) Continue to wind the insulation tape around the cable until it is 1.0 inch (25 mm) on the other side of the cable jacket damage.Do these steps to tightly wind one layer of the anti-chafing tape around the braid: 1) Start the anti-chafing tape layer 0.5 inches (13 mm) from the layer of the insulation tape. 2) Wind the tape around the cable while you move along the cable until the tape has a 20% overlap. 3) Continue to wind the tape around the cable until it is 0.5 inches (13 mm) from the other side of the insulation tape.Attach the ends of the tape to the cable with the lacing tape.
 S 418-030

 (10)
 Install the lacing tape on the wire harness as it is necessary.

 S 418-031

 (11)
 Install the harness clamps you removed.

 S 418-041

 (12)
 Close the APU access doors:

 (a)  
Do a visual check of the EGT bus bars: 1) Make sure the bus bars are not damaged. 2) Make sure no metal parts touch the bus bars. 3) Make sure the bus bars do not touch each other.

 (b)  
Disengage the support rods for the APU access doors.

 (c)  
Put the support rods in the clips on the inner side of the APU access doors.

 (d)  
Make sure the insulation covers correctly attach to the APU compartment firewall.

 (e)  
Close the APU access doors.

 (f)  
Close the latches on the APU access doors.

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A
747-400
MAINTENANCE MANUAL

 S 868-042
 (13)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6 Main Power Supply Pannel
 1) 6K18 APU ALTN CONT

 (b)  
P83 Panel, E8 AFT Equipment Center
 1) APU PRIMARY CONT

 

 S 868-043
 (14) Remove the DO-NOT-OPERATE tag from the APU control switch on the P5 panel.
 TASK 49-14-00-358-044
 4. Electrical Connector Replacement
________________________________
 A. References
 (1)  
WDM 49-11-16, 49-11-17, 49-11-18

 (2)  
SSM 49-11-01

 B.
Access

 (1)  
Location Zone 317 APU Compartment-Forward of the Air Inlet Plenum on the APU engine, LH

 318  APU Compartment-Forward of the Air Inlet Plenum on the APU engine, RH.

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

 C.
Procedure

 S 868-050
 (1)  
Make sure the APU control switch on the P5 panel is off and attach a DO-NOT-OPERATE tag.

 S 868-051

 (2)  
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6 Main Power Supply Panel
 1) 6K18 APU ALTN CONT

 (b)  
P83 Panel, E8 Aft Equipment Center
 1) APU PRIMARY CONT

 

 S 018-052
 (3)  
Open the APU access doors:

 (a)  
Open the latches on the APU access doors.

 (b)  
Open the APU access doors.

 (c)  
Engage the support rods for the APU access doors.

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 ALL  ú ú 01 Page 811 ú Jun 10/95
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A
747-400 MAINTENANCE MANUAL
　
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