Crank slipping

A quick learner from Chicago, IL says:
April 29, 2021
Having hard time cranking the window open and close, sometimes it won't even move, like it's literally stuck so I'll have to manually pull the window or push it to help with the crank
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Emily from SWISCO responded:
April 29, 2021

Hi there!

Your operator looks similar to our 39-027E and 39-028E. Carefully review our dimensions and compare them to your current operator to see if they match up for what you need. If they differ in any way please let us know exactly how. 

Thank you! 
Ellipse Style Single Arm Operator, 9-1/2"
Ellipse Style Single Arm Operator, 9-1/2"
39-027E
$20.70
Ellipse Style Single Arm Operator, 9-1/2"
Ellipse Style Single Arm Operator, 9-1/2"
39-028E
$20.70
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