(1)
Remove the screws (6).
(2)
Remove the cover (7) to get access to the terminal block (5).
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 (1), the washers (2) and the cables (3) and (4) from the studs of the terminal block (5).
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AC Current Transformer - Block Diagram
Figure 401/TASK 24-22-17-991-001
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R AC Current Transformer - Block Diagram
R Figure 401A/TASK 24-22-17-991-001-A
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1 1 Aug 01/05
1 1
1CES 1
AC Current transformer (41XU1 and 41XU2) Figure 402/TASK 24-22-17-991-002
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(4)
Disconnect the electrical connector (11) from the current transformer (10).
(5)
Put blanking caps on the disconnected electrical connector (11) and electrical receptacle (12).
(6)
Remove the screws (8) and the washers (9) from the current transformer (10).
(7) Move the current transformer (10) along the cables to remove it. **ON A/C 001-049, 051-062, 101-105, 151-152, 201-205,
Subtask 24-22-17-020-051
B. Removal of the AC Current Transformer
FOR 42XU1, 42XU2
(Ref. Fig. 403/TASK 24-22-17-991-004)
(1)
Remove the nuts (8) and the washers (7) from the studs of the contactor (5).
(2)
Disconnect the bars (6) from the studs of the contactor (5).
(3)
Disconnect the electrical connector (4) from the current transformer (1).
(4)
Put blanking caps on the disconnected electrical connector (4) and electrical receptacle.
(5)
Remove the screws (3) and the washers (2) from the current transformer (1).
(6) Remove the current transformer (1). Subtask 24-22-17-020-052
C. Removal of the AC Current Transformer
FOR 42XU3, 42XU4
(Ref. Fig. 404/TASK 24-22-17-991-003)
CAUTION : MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU
_______ DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
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AC Current Contactor (42XU1 and 42XU2)
Figure 403/TASK 24-22-17-991-004
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AC Current Contactor (42XU1 and 42XU2)
Figure 403A/TASK 24-22-17-991-004-A
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AC Current Transformer ( 42XU3 and 42XU4)
Figure 404/TASK 24-22-17-991-003
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(1)
FOR 42XU3 In the rear panel 120VU, disconnect all the cables from the pin 2 of the circuit breakers connected to the AC BUS 1 busbar 1XP.
(2)
FOR 42XU4 In the rear panel 120VU, disconnect all the cables from the pin 2 of the circuit breakers connected to the AC BUS 2 busbar 2XP.
(3)
In the AC power center 123VU, disconnect all the cables from the pin 2 of the circuit breakers 11QA and 12QA.
(4)
Record the location and the color of the cables of each bundle which goes through the current transformer (1).
(5)
Remove the screws (12) and the washers (11) from the studs of the
contactor (5).
(6)
Disconnect the cables (10) from the studs of the contactor (5).
NOTE : You must identify (also with the indications on the current
____ transformer) and disconnect only the cables which go through the current transformer.
(7)
Remove the nuts (9) and the washers (8) from the studs of the
contactor (5).
(8)
Disconnect the cables (6) and (7) from the studs of the contactor
(5).
(9)
Disconnect the electrical connector (4) from the current transformer (1).
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