Mortise Lock

A quick learner from New Jersey says:
I bought several parts from you early last year and one was the mortise lock. It seems to have failed again. The pin that touches the keeper when close is sticking. This was the same problem I had with the original part prior to replacing. What is the warranty on these parts since one year is very short.

You may be able to look up my prior purchases with the email below or by name Tom Schneider.
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Dave Sr. from SWISCO responded:

I'm sorry to hear that you're having trouble. The anti-slam button really shouldn't be sticking like that, especially if you installed the 82-249 that you purchased from us.

There are a couple of easy solutions you could try before you consider replacing anything. First, I would make sure that the rollers in the patio glass door are adjusted enough so that the lock is in line and plumb with the keeper. If the lock and keeper are a little out of alignment, I could see it causing issues with the anti-slam button.

Another idea is to try lubricating the lock to see if that helps. You can use WD-40. Hopefully that will unstick the button and allow it to function again normally.

If those two solutions fail, please let us know and we can look into other options for you.

A quick learner from New Jersey says:

I sprayed WD40 into springs and mechanisms but that did not help. I looked inside and the spring for the pin is getting caught up inside the mechanism. The problem lies where when you turn the know to unlock the door, it sticks to a point it will not even unlock. This is the same issue I had with the original. At one point it will no longer unlock and the door can not be opened. I needed to take the whole thing apart last time and force it open. The mortise lock needs to be replaced again. I can send the current one back for evaluation if you supply a return label. I need another new lock though.

Thank you


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Tom from SWISCO responded:

That is very odd. I don't recall ever hearing of this issue before, and considering that it happened with two different locks from two different companies (ours and the original) I don't think it's a defective part. There has to be something else at play.

Could the thumb lever that engaged the mortise be damaged in some way? Is the tail twisted or out of position? Or perhaps the key lock, if your door has one?

If not, then I'm really at a loss. The only thing I can advise is that you purchase a new mortise, but considering this happened to two unrelated locks already there's a good chance that it will happen again. 

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