(2) Tag and disconnect the current
transformer leads from the am-
meter.
a. Preliminary Procedures. Operate the
(3) Remove the two bolts that secure
MAIN circuit breaker switch to OFF (fig.
the current transformer inside the
10) and disconnect the ac power cable at the
panel and remove the current
power and signal entrance box (fig. 8).
transformer.
Remove the four screws that secure the
power distribution panel cover and remove
Note. Count the number of turns of heavy
black wire around the current transfomer
the cover.
before performing the procedure in (4) below.
b. Removal and Replacement of Circuit
Breaker Switch.
(4) Disconnect the black wire wound
(1) Grasp the defective circuit breaker
around the current transformer
switch and pull it straight out from
from the MAIN circuit breaker
the panel.
(2) Tag and disconnect the wires con-
switch and carefully unwind the
nected to the c i r c u i t breaker
wire from the c u r r e n t trans-
former.
switch.
(5) Wind the black wire around the re-
(3) Connect the wires ((2) above) to the
placement transformer.
replacement circuit breaker switch
and press it back into the panel.
Caution: Be sure that the number
c. Removal and Replacement of Current
of turns is the same as on the orig-
Transfomer.
inal transformer. Reconnect the
(1) Remove the four screws that hold
black wire to the MAIN circuit
the meter panel to the power dis-
breaker switch (fig. 37).
tribution panel.
