TM 11-5895-463-15
MAIN circuit breaker and carefully unwind
tion and the required position of the impeller.
the wire.
Be sure that the concave portion of the impel-
ler faces the air exhaust outlet as indicated.
Caution: Be sure that the number of
turns around the replacement transformer is
Note. If the replacement motor is provided with two
the same as that on the original transformer.
mounting sides, install the motor so that the capacitor
(4) Wind the black wire around the re
side is facing the front wall of the shelter.
placement current transformer.
( 5 ) Reconnect the black wire to the
4-10. Power Distribution Panel Repairs
MAIN circuit breaker.
Warning: Before performing any power
side the panel and secure it with the original
distribution panel repairs, disconnect the
nuts and washer.
power cable from the IN POWER 115V AC
(7) Connect the black and white ammeter
receptacle in the power entrance box.
leads to the appropriate terminals of the trans-
former.
a. Preliminary Procedures. Remove the
screws that secure the cover to the power dis-
d. Removal and Replacement of Meters.
tribution panel and remove the cover.
(1) Tag the color connections and remove
the leads from the meter terminals.
b. Removal and Replacement of Circuit
(2) Remove the bolts that secure the
Breaker.
meter to the panel and lift out the meter (fig.
(1) Grasp the defective circuit breaker
4-10).
and pull it straight out from the panel (fig.
(3) Position the replacement meter in the
4-10).
panel and secure it with the original bolts.
(2) Disconnect the wires connected to the
(4) Connect the leads to the appropriate
circuit breaker.
terminals of the replacement meter.
(3) Connect the wires to the appropriate
terminals of the replacement circuit breaker-.
4-11. Removal and Replacement of
Powe
(4) Position the circuit breaker in the
Cable and Entrance Box Connectors
power distribution panel and firmly press it in
place.
(1) Disconnect the power cable from the
c. Removal and Replacement of Current
IN POWER 115V AC receptacle in the power
Transformer.
(1) Tag and disconnect the black and
(2) Remove the interior cover of the
power entrance box, disconnect the wires from
minals.
the appropriate receptacle, and remove the re-
(2) Remove the nuts and washers that
secure the current transformer inside the
(3) Install the replacement receptacle,
panel, and remove the current transformer
connect the wires to the proper terminals of
the receptacle, and replace the cover on the
Note. Count the number of turns of heavy black
power entrance box.
wire through the center hole of the current trans-
former before proceeding to the next step.
b. Power Cable Connectors. Refer to
figures
4-12 and 4-13 for
details of
construction
(3) Disconnect the black wire wound
around the current transformer from the
necessary for disassembly and removal.