Installation - S&C AS-1A Instructions For Installation Manual

I
INSTALLATION
Step 1
Mount the switch operator as indicated on the erection
drawing. Then attach a flexible coupling to the output
shaft of the switch operator. See Figure
l.
Thread the
attachment bolts through the flexible coupling plate and
through the coupling flange on the output shaft. Tighten
the bolts to draw the flexible plate flush against the flange;
I
this will deform the threads in the flexible plate, resulting
in a binding, nonslip connection. Install and tighten the
self-locking nuts. Do not use lockwashers with the flexible
coupling attachment bolts.
Remove the clamp bolts and set aside the detachable
half of the flexible coupling.
Attachment bolt
Vertical operating pipe
\
Flexible coupling
plate
Coupling flange
Self-locking nut
Pushbutton
protective cover
Switch operator
output shaft
Door handle
Figure 1. Exterior view of switch operator.
S&C ELECTRIC COMPANY• Chicago
S&C ELECTRIC CANADA LTD.• Toronto
..,.i-----
Flexible coupling
Alduti-Rupter switch
position indicators
Manual operating
handle (in storage
position)
Switch operator
nameplate
INSTRUCTION SHEET
769-500
Page 5 of 23
April 22, 1996