How To Replace An Andersen Window Crank

Below is a video on how to replace an Andersen window crank.

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Today we will be showing you how to replace an andersen window crank / casement window crank.

To start we can undo the clips/ pins or push the screen down to compress the springs a then remove it.

With the screen removed we can unlock the window and crank it open a bit. Once we have the window open we can grab a screw driver and remove the handle from the window crank.

With the handle removed we can now take a utility knife and cut the paint all around the edges where the base trim meets the window sill. Next depending on the style of your window the base trim could be nailed on with finishing nails or if your screen had springs on it you could have two Phillips screws that hold the base trim on. If your screen had the springs you can now remove the two Phillips screws from inside the bottom screen track.

Next we can take a hammer and a flat bar and slowly and carefully pry up the base trim/ molding. Once we have the base trim removed if your base trim was held in place with finish nails we can use the hammer or channel lock pliers to remove the nails.

Next we can grab a flat screw driver and use it to move the linkage clip off the window pin so we can detach the linkage. With the linkage off we can now grab a cordless drill and remove all the screws that hold the window crank to the sill. This one has five screws. Sometimes there might be a screw under the window crank arm so you maybe need to put the handle back on and turn the crank to move the arm so you can get all the screws out.

Once we have all the screws out we can grab a RAG and wipe the area clean. With the sill plate wiped clean we can now grab the new window crank and set it in the same position as the old one was and use the same screws and holes to install the new window crank. We have lined it up and reinstalled the same five screws using the cordless drill. Same with removing the screws you maybe need to move the arm of the window crank to get all the screws in.

Once we have all the screws in and holding the new window crank in position we can put the window crank arm on the pin of the window. Once we have the arm on we can grab the flat screw driver and slide the silver locking tab towards the pin to lock the arm on.

Next we can slide the base trim back into position and use the hammer to make sure it’s all the way down. With the base in we can secure it in place with some finish nails or the two Phillips screws. With the base trim secured in place we can use some paintable caulk and seal the base trim to the sill plate. We can use our finger to smooth the caulk out.

Next we can reinstall the handle onto the window crank. Well just slide the handle on to the spline and then close the window. When the window is closed take the handle off and make it so the handle will be down position when the window is closed then we can open the window a little bit and use a screw driver and tighten the screw.

With the handle on and tightened down we can now reinstall the screen. Slide it into the track and use the clips to lock it in or depress the springs and put into the top track. With the screen reinstalled that’s it we have just showed you how to replace an andersen window crank or casement window crank.

 

 

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3 comments

Hi – how do I know which replacement part for my Anderson crank window will work? This is what mine looks like. I went to your link for Amazon but want to make sure I buy the right one. Mine is stripped and we can’t close the window. Thank you!

Hello, Not sure if you have already gotten the Youtube reply.. For some reason I’am not able to make the picture bigger to better point you in the right direction. If you look within the corner of the glass there is a number, you should be able to use it to figure out which crank you will need. Another way I do it is I have a book from Blaine Window that I use. They do offer it online at https://blainewindow.com click search parts and then find the operator that looks similar and click it and it will bring it up bigger and in more detail with some measurements on it as well and then double check that the measurements match up to yours. Then you will have a part number to search around to find it the cheapest. Hope that helps you in getting the correct operator for your window.

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