Step-by-Step Instructions and Pictures: How to Replace A Casement Window Crank Operator

By the experts at The Family Handyman
Install a new crank mechanism for a stubborn casement window. Read an overview for how to replace a casement window crank operator.
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Replacing a Casement Window Crank Operator
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1. Inspect the old crank for wear. Worn and missing splines on the crank stud, stripped or broken gears, and worn-out crank arms mean you have to replace the entire crank operator.
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The new crank cost us $150 with tax. Be sure to estimate costs before you begin.

By Joan Marion, on 10/05/2009
Can you tell me how to fix if the guide on the top and bottom of the windows have come out of the track that is mounted to the sill? There doesn't appear to be damage to either. The riveted link keeps you from realigning the pieces, so I am tempted to unscrew the metal reinforcement from the sill, but am concerned that the riveted link will still keep you from getting them realigned. Please advise. Thanks.

By Dave, on 09/06/2009

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