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huai 10-25-2010 03:06 PM

Stuck pella window
I have a pella double casement window. One of the windows opens and closes fine, the other is stuck in the closed position. Pella sent me a new locking mechanism, but I can't get to the one that's stuck closed in any obvious way. Looking for any tips.

The mechanism looks something like the picture below. Forget about the left part, just the two pieces labeled Top End and bottom end. When you raise or lower the lever on the inside of the window those metal bars slide up and down and move the locking hooks into closed or open position. My problem is that when I push the lever, the locking hooks don't release from the closed position. The locking mechanism is located on the center frame, and the hooks catch a latch in the window. I tried to jimmy a thin screwdriver into the slot between the window and the center frame to force the hooks down, but could not push it down. Any other tips before I start pulling pieces of the center frame off?

Ron6519 10-25-2010 03:55 PM

The bar is not connected the the release mechanism. You need to open the release area and find out why. It could be that a pin sheared. Once you see it, it should be evident how to release it.

huai 11-02-2010 08:11 AM

Thanks Ron, any tips for getting into the mechanism without tearing apart the wood frame?

Ron6519 11-02-2010 09:29 AM


Originally Posted by huai (Post 527213)
Thanks Ron, any tips for getting into the mechanism without tearing apart the wood frame?

Once you open the window,the operating mechanism is totally exposed. Before you start removing hardware, check to see that the moving sash isn't binding anywhere on the frame. There will be scrape marks on these areas. If that's the case, you need to figure out why it's rubbing. A misaligned sash can be easily aligned. If the window frame is the issue, it will need to be removed and reset properly.

huai 11-02-2010 10:17 AM

My original question was how to get to the mechanism as the window is stuck in the closed position.

Ron6519 11-02-2010 10:23 AM


Originally Posted by huai (Post 527291)
My original question was how to get to the mechanism as the window is stuck in the closed position.

A picture would help so we could see.
The hardware is probably covered by a trim piece held in by a few nails. Take a hack saw blade and go behind the trim piece to cut the nails. The trim piece should come out fairly easily. Worse case scenario, it gets beat up and you get another one to replace it.
Once the wood is out of the way you should be able to access the hardware and release the latches.

kilburn 04-06-2012 03:22 PM

I have exactly the same Pella casement/awning window locking mechanism that huai has described. Mine is in the kitchen above the sink and is set vertically (awning?) opening from left to right with a centre handle and locking lever on the left.

Last summer one of the two locking hooks was a little fussy to engage, but after a few attempts the window could still be completely closed and the locking lever pushed completely down. The window has been closed for the Canadian winter period and I just opened it and spring cleaned the glass, screen, frame, grille etc.

After cleaning everything, the two locking hooks still engage, and with the handle lever I can close the window, but cannot now push the locking lever all the way down to make the closure "snug". It almost feels as if the two locking hooks are perhaps "out of sequence" now. Even with the window open something seems to be holding the locking lever from being pushed completely down.

We have all Pella windows in a 14 yr old home, so these windows were indeed a premium purchase. I believe they are covered by a life-time warranty so if I cannot resolve the issue myself, am hoping that a local Pella rep will come and fix the issue. I also notice that one of my pairs of sash windows in the bedrooms has been missing the rubber seal strip on top of it since day one (one side has it, the other does not) - but this is another matter of less concern right now.

In the meantime any tips would be much appreciated to perhaps assist me in resolving the awning window issue without having to pry the window frame apart to expose the actual locking mechanism.

Thanks in advance

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