How to Replace a Casement Window Crank Operator

Before you supervene upon the entire window, check to see if the trouble is with the casement window hardware. You tin really fix a window crank in just 5 easy steps.

Fourth dimension

A full mean solar day

Complexity

Beginner

Cost

$51–100

Introduction

Don't supersede your casement window if it won't open or shut completely. You can usually supervene upon a bad crank in an 60 minutes, and have information technology working smoothly again. We show you how here.

Tools Required

Materials Required

  • New window crank

Project step-by-step (v)

Stride one

Remove the old crank and install the new one: Inspect the one-time crank for damage

crank

Cheque out the casement window hardware before you bound into this project. Inspect the old crank for wear. Worn and missing splines on the crank stud, stripped or broken gears, and worn-out crank arms mean yous have to replace the entire crank operator.

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Step ii

Release the window

arm

Open the window until the crank arm guide bushing aligns with the notch in the guide runway (use a locking pliers for a crank handle and push out on the window to aid it open up). Printing downwards on the arm to complimentary the bushing from the track, and and then button out the window until the bushing clears the rails.

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Step 3

Remove the trim and crank

trim

Dorsum out the trim screws and lift the casement embrace off the window jamb. Remove all crank mounting screws and elevator off the crank. Supplant rusted or bent trim screws.

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Step 4

Buy an verbal match of casement window hardware

match

Compare the new operator with the old to make certain they match.

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Pace 5

Install the new crank

new

Line upwardly the new crank with the old holes. The old screw holes are often stripped. If and then, stick a toothpick or 2 in them every bit filler and drive the screws. So reattach the crank arm and casement cover.

If your window crank handle just spins when it's turned, or information technology can't pull in the sash far enough to engage the lock, chances are the gears are stripped and it'southward time for a new crank mechanism. Replacing the crank machinery is uncomplicated. But finding a new crank may take some time. Yous can mail your old creepo to some replacement hardware specialists and yous'll get back a friction match (Photo i). The cranks can be expensive, but they may be a bargain if the overall condition of the window is nonetheless adept.

Start by inspecting the one-time crank operator and handle for wear. If the teeth are missing inside the crank handle, simply supercede it (at home centers and full-service hardware stores). Merely if the operator has broken or worn parts (Photo ane), replace the entire operator mechanism.

Your operator may vary slightly from the one we show. Nevertheless, the replacement process is similar. The first footstep is to disconnect the creepo arm from the guide rail. Take out the screen and crank the window open until the plastic guide bushing aligns with the guide rail notch (Photo two).

Adjacent, await for trim mounting screws inside the screen rail. Unscrew them to remove the casement comprehend and access the crank innards (Photo 4). If there aren't any trim screws, the casement cover is probably nailed or stapled in place. Slide a stiff putty pocketknife between the window jamb and casement cover. Advisedly pry up the casing and then you don't damage the wood parts.

Close the window and lock it until the new crank arrives. Compare the new operator with the old, making certain they friction match. Install the new crank every bit shown in Photo 5.

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Originally Published: January 31, 2019