Before Energizing The Circuit-Switcher - S&C Mark V Circuit-Switchers Installation Manual

Before Energizing the Circuit-Switcher

Remove the container from each interrupter as follows:
STEP 1� Remove and discard the 3/8–16 zinc-plated serrated
hex nuts which run the length of the container. See
Figure 22. Remove and discard the 3/8–16 X 7/8-inch
and two 3/8–16 X 1-inch zinc-plated hex-head cap
screws and flat washers which attach the upper
container-half to the coupling end casting of
the interrupter. Also remove and discard the
3/8–16 X 7/8-inch and two 3/8–16 X 1-inch zinc-plated
hex-head cap screws and flat washers which
attach the upper container-half to the indicator
end casting of the interrupter. See Figure 22.
Pry the container-halves apart with a screw-
STEP 2�
driver. The upper container-half can now be
removed and discarded—slotted holes are
provided so a rope or lifting sling can be attached
and the container-half conveniently lowered to
the ground.
STEP 3� Now remove and discard the 3/8–16 X 7/8-inch
hex-head cap screw and flat washer which attach
the lower container-half to the coupling end casting
of the interrupter, and the 3/8–16 X 7/8-inch hex-
head cap screw and flat washer which attach
the lower container-half to the indicator end
casting of the interrupter, and discard this
container- half.
STEP 4� Finally, remove and discard the inner packaging
wrapped around the interrupter.
STEP 5� Remove and discard the shield for the pressure-
relief device. See Figure 23.
3/8—16 X 7/8-inch and
two 3/8—16 X 1-inch
zinc-plated hex-head cap
screws and flat washers
3/8—16 zinc-plated
serrated hex nuts
Figure 22� Removing the interrupter container�
Figure 23� Removing the pressure relief device shield�
S&C Instruction Sheet 711-510
Installation
Shield
27