S&C AS-1A Instructions For Installation Manual page 12

S&C Switch Operators - Type AS-1 A
I
ADJUSTMENTS - Continued
Switch operator
position indicator
Opening-stroke
contact
Opening-stroke
roller
Use when direction of output shaft and travel-limit cam
rotation is clockwise to open.
Adjacent spring
Opening-stroke
;;....- - - travel-limit cam
(in raised position)
Opening-stroke travel-limit
cam (with switch operator in
fully closed position-raise
and turn cam counterclock-
wise to increase travel of
switch operator)
Switch operator
position indicator
Closing-stroke
roller
Closing-stroke
contact
Closing-stroke
travel-limit cam
(in lowered position)
Adjacent spring
Closing-stroke travel-
limit cam (with switch
~ - - - operator in fully open
position-lower and turn
cam clockwise to increase
travel of switch operator)
Use when direction of output shaft and travel-limit cam
rotation is counterclockwise to open.
Opening-stroke travel-I imit
cam (with switch operator in
fully closed position-raise
and turn cam clockwise to
::....oi~ - - - - -
increase travel of switch
operator)
Closing-stroke travel-limit
cam (with switch operator in
br-- - - -
fully open position-lower
and turn cam counterclock-
wise to increase travel of
switch operator)
Figure 6. Adjustment of travel-limit cams.
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769-500
INSTRUCTION SHEET
Page 12 of 23
April 22, 1996
S&C ELECTRIC COMPANY• Chicago
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S&C ELECTRIC CANADA LTD.• Toronto