Casement Crank and Operator Repair

A casement window opens with a crank that drives an operator arm, which pushes the sash outward. Over the years the gears wear, the handle strips, the arm bends or the hinge dries out, and the window becomes hard to open or will not close tight. Casement parts are specific to the window brand, so finding the right one takes some knowledge. Homeowners in Nashville call us when a crank spins freely or a casement hangs open.

We identify the window brand and operator type, look at the arm, track and hinge and diagnose the problem. We replace the crank, the operator or the hinge with a matching part and lubricate and adjust the window so it closes tight. If the sash is racked or the frame is out of square, we point that out as well. If parts are no longer made, we discuss alternatives such as replacing the sash or the window.

Operator parts

The handle, the gearbox, the arm and the track all wear, and each can be replaced when we find the right match.

Hinges and tracks

A dry or bent hinge makes the window stiff and can pull the sash out of line, and we clean, lubricate or replace them.

Closing tight

A casement should pull snug against the weatherstripping, and an adjusted operator makes the difference between a drafty window and a tight one.

When parts are gone

Old casements can be hard to match, and we are honest about when a sash or window replacement is more practical.

What is included

• Operator identification
• Crank, gear and arm repair
• Hinge cleaning and lubrication
• Tight-closing adjustment
• Racking check
• Operation test