Cornell SGH Series - Page 7

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6
SGH Series
REVISION # 0002
DATE: 10/09/2012
6. When the operator assembly is attached to the door bracket, be sure the door driven sprocket is
properly aligned with the operator drive sprocket before securing the driven sprocket to the shaft.
7. The shelf or bracket must provide adequate support for the operator. Prevent play between the
operator and the door shaft. The operator must be securely attached with the drive shaft parallel to
the door shaft. It may be necessary to field brace the operator/bracket.
Correct
Incorrect
Door
Sprocket
Operator
Drive
Sprocket
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(Figure 1 for 1/2hp and 3/4hp)
Correct
Incorrect
Door
Sprocket
Operator
Drive
Sprocket
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(Figure 2 for 1hp and 1½hp)