-
FOR 15QT1 remove 540JB, 540KB, 540LB, 540MB, 540NB, 540PB 540QB

 -
FOR 15QT2 remove 640JB, 640KB, 640LB, 640MB, 640NB, 640PB 640QB.

 4. Procedure_________
 (Ref. Fig. 405/TASK 28-42-43-991-009, 408/TASK 28-42-43-991-008, 409/TASK
 28-42-43-991-005)
 Subtask 28-42-43-020-071
 A. Removal of the Wing-Tank Outer-Cell Group A Harness 15QT1 (15QT2)
 (1)
 Get access through the opening 540KB(640KB) to RIB15.

 (2)
 Disconnect the plug connector (33) from the connector
 4045VC1(4045VC2) (34).

 (3)
 Put a blanking cap on the connector (34).

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 Electrical Harness 16QT1(16QT2) at RIB 21 Inboard and Outboard - Location and
 Detail
 Figure 408/TASK 28-42-43-991-008

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 Electrical Harness 15QT1(15QT2) and 16QT1(16QT2) - Location and Detail
 Figure 409/TASK 28-42-43-991-005

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 (4)
 Get access through the opening 540LB(640LB) to RIB16.

 (5)
 Disconnect the terminal connectors (2) from the terminal block of the fuel probe 33QT1(33QT2). (Ref. Fig. 410/TASK 28-42-43-991-012)

 (6)
 Remove and discard the terminal connectors (2) from the harness
 15QT1(15QT2).

 (7)
 Remove and discard the cable-ties (1) from the harness 15QT1(15QT2) and the fuel probe 33QT1(33QT2) body.

 (8)
 Get access through the opening 540NB(640NB) to RIB18.

 (9)
 Loosen the clamp screws (21), the connector screws (20) and remove
 the cables from the sensor 30QJ1(30QJ2).
 (Ref. Fig. 410/TASK 28-42-43-991-012)

 (10)
 Get access through the opening 540QB(640QB) to RIB21.

 (11)
 Remove the bolts (52) and the washers (51) to release the cable connectors (50) that are grounded. (Ref. Fig. 408/TASK 28-42-43-991-008)

 (12)
 Temporarily install the washers (51) and the bolts (52).

 (13)
 Remove and discard the cable-ties (1) from the harness 15QT1(15QT2).

 (14)
 Attach applicable lengths of string to each of the ends of the disconnected harness 15QT1(15QT2). This will help to install the new harness.

 (15)
 Put tape around each of the ends of the disconnected harness 15QT1(15QT2). This will help to let it move more easily through the conduit.

 (16)
 Get access through the opening 540NB(640NB) to RIB18.

 (17)
 Carefully pull the harness 15QT1(15QT2) from the outboard part of the conduit, until the ends attached to the string come into view.

 (18)
 Get access through the opening 540KB(640KB) to RIB15.

 (19)
 Carefully pull the harness 15QT1(15QT2) from the inboard part of the conduit, until the ends attached to the string come into view.

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 Electrical Harness 15QT1(15QT2) at RIBS 16 and 18 - Location and Detail
 Figure 410/TASK 28-42-43-991-012

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 (20)
 Identify and mark the string. This will help to install the new harness.

 (21)
 Remove and discard the tape from the harness and remove the harness from the string.

 (22)
 Remove the harness 15QT1(15QT2) from the aircraft.

 (23)
 Leave the string in position for the installation.

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 TASK 28-42-43-400-003 Installation of the Wing Tank Outer-Cell Group A Harness 15QT1(15QT2) WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______ NOTICES ARE IN POSITION.
 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
　
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