20
S&C Instruction Sheet 712-501
Step 13
Pull the latch knob on the hub of the manual
operating handle and pivot the handle forward
slightly from its storage position . Release the
latch knob while continuing to pivot the handle
forward to lock it into the cranking position .
See Figure 24
.
Step 14
Crank the manual operating handle on the
Mark VI CS-1A Switch Operator until the dis-
connect blade is in the fully “OPEN” or fully
“CLOSED” position . Visually inspect the blade
on all three phases to confirm the Circuit-
Switcher is open or closed . The switch opera tor
position indicator, seen through the obser vation
window, will also show when the approximate
open or closed position has been attained .
Step 15
After performing your inspection or mainte-
nance, manually operate the Circuit-Switcher
disconnect blade to its starting position (open or
closed) . The switch operator position indi cator,
seen through the observation window, will show
when the approximate open or closed position
of the disconnect has been attained .
Step 16
Pull the latch knob on the hub of the manual
operating handle and pivot it back into its
storage position . Release the latch and pad lock
or tag the handle in accordance with standard
system operating procedures .
Step 17
Replace the two-pole pull-out fuseholders for
one motor (and space heater if furnished) .
Figure 24. Use the manual operating handle to operate the disconnect.
Manual
operating
handle
Latch knob
Selector handle
(in coupled
position)
Inspection Recommendations
Summary of Contents for Mark VI
Page 28: ...Printed in U S A ...
