BEFORE STARTING INSTALLATION
Checking the Shipment
An S&C erection drawing will be found in a
water-
resistant envelope attached to the interrupter
con-
tainer on one of the three Circuit-Switcher pole-units.
Study the erection drawing carefully and check the
biU
of material to be sure all parts are at hand.
The Circuit-Switcher shipment should include the fol-
lowing items, as shown in Figure 2:
1. The three single-pole upright units, on a
mounting-
frame weldment, with an integrated single-offset
power train providing rigid torsional interphase
coupling-all factory-installed and adjusted, as well
as the S&C
Shunt-Trip
Device (if specified) and its
associated conduit and control wiring.
2. A crate which contains couplings for the vertical
shaft, mounting hardware, grounding strap, and
grounding-strap connector.
I
3. The vertical operating-shaft section(s) bundled and
strapped to the mounting-frame weldment. These
operating-shaft sections are cut to length if specified.
Otherwise, the correct number of operating-shaft
sections are shipped for field cutting in accordance
with the dimensions specified on the erection
drawing.
4. An S&C Mounting Pedestal (if specified) consisting
of a single rectangular tubular column of formed
steel plate construction.
5. An S&C Switch Operator-Type
CS-1A
(as specified).
6. Any accessories specified, such as grounding switch,
pre-insertion inductors, bypass accessory, or manual
geared operating handle.
J!w-contact assembly
Disconnect blade
\
Brace
I
Instructions and registration
card in water-resistant envelope
\
Interrupter target
Switch operator
x*
Interrupter
/
v-
\
\
Lifting
eyebolt
(4)
\
Rotating-
Shunt-trip solenoid
Miscellaneous
insulator lever
housing parts crate
open stop
\
insulated.
operating shaft
weldment
dotating insulator
Figure 2. S&C Circuit-Switcher-Mark V, Three-Pole Integer Style,
69-kv
nominal, including S&C Switch Operator-Type
CS-lA,
as arranged for shipping.
q
S&C ELECTRIC COMPANY
l
Chicago
S&C ELECTRIC CANADA LTD.
l
Toronto
INSTRUCTION SHEET
7
llm500
Page5of
12
December
16,199l
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