AC Current Transformer
 Figure 402/TASK 24-23-17-991-004

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R  **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
 Subtask 24-23-17-020-051-A
 A. Removal of the AC Current Transformer 
R  **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 
R  (Ref. Fig. 401/TASK 24-23-17-991-003) 
R  **ON A/C 401-499, 
R  (Ref. Fig. 401A/TASK 24-23-17-991-003-A) 
R  **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499, 
R  (Ref. Fig. 402A/TASK 24-23-17-991-004-A)
 (1) Remove the screws (12) and the washers (11) from the studs of the module 29XN.
 (2) Disconnect the cables (10) from the studs of the module 29XN.
 NOTE : You must identify (also with the indications on the current____ transformer) and disconnect only the cables which go through the current transformer.
 (3) Remove the nuts (9) and the washers (8) from the studs of the module 29XN.
 (4) Disconnect the cables (6) and (7) from the studs of the module 29XN.
 (5) Disconnect the electrical connector (4) from the current transformer (1).
 (6) Put blanking caps on the disconnected electrical connector (4) and electrical receptacle.
 (7) Remove the screws (3) and the washers (2) from the current transformer (1).
 (8) Remove and discard the necessary cable ties to move the current transformer (1) along the cables. 

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 AC Current Transformer
 Figure 402A/TASK 24-23-17-991-004-A

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 (9) Remove the current transformer (1).

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 **ON A/C ALL

 TASK 24-23-17-400-001
 Installation of the AC Current Transformer (42XS)
 WARNING : MAKE SURE THAT NO AC OR DC POWER IS CONNECTED TO THE AIRCRAFT
_______
 ELECTRICAL CIRCUITS.
 THERE IS A RISK OF ELECTROCUTION IF THE AC OR DC POWER STAYS
 CONNECTED.

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific cable ties
 No specific warning notice(s)
 No specific access platform 0.5 m (1 ft. 8 in.)
 No specific Torque Wrench : range 0.00 to 1.20 m.daN

 (0.00 to 9.00 lbf.ft)
 No specific Torque Wrench : range 0.20 to 3.60 m.daN

 (2.00 to 26.00 lbf.ft)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-740-002 Operational Test of the Ground power Control Unit (GPCU) R 24-41-00-740-002 Operational Check of GAPCU via CFDS 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the APU 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the APU
 25-11-41-000-001 Removal of the Third Occupant Seat
 25-11-41-400-001 Installation of the Third Occupant Seat

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
R  24-23-17-991-003 **ON A/C 401-499,  Fig. 401 
R  24-23-17-991-003-A Fig. 401A **ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
R  24-23-17-991-004 Fig. 402 **ON A/C 063-099, 106-149, 153-199, 206-299, 301-399, 401-499,
 24-23-17-991-004-A **ON A/C ALL Fig. 402A
 3. Job Set-up__________ Subtask 24-23-17-010-051
 A. Get access
 (1) Make sure that the Third Occupant seat is removed (Ref. TASK 25-11-41-000-001). (2) On the rear panel 120VU, make sure that the panel which gives access to the AC power center 123VU is open. (3) Make sure that the access platform is in position at the access door 121AL.
 (4) Make sure that the access door 121AL is open.

 Subtask 24-23-17-860-050
　
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