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-   -   Trouble with mortise entry lock (https://www.diychatroom.com/f2/trouble-mortise-entry-lock-392225/)

kjmass1 04-29-2016 10:37 AM

Trouble with mortise entry lock
 
My front door has a mortise lock set. The main latch works fine, however the built in deadbolt (top lock) is having trouble. I've tightened the 2 bolts as tight as I can, however the key lock won't stay tight, it will rotate with the key when turning. Something I'm doing wrong?

http://uploads.tapatalk-cdn.com/2016...73bbbbf23a.jpghttp://uploads.tapatalk-cdn.com/2016...4f2732d899.jpg

Windows on Wash 04-29-2016 12:31 PM

Re: Trouble with mortise entry lock
 
Could be stripped interior.

Best bet it to just pull the thing out and give it a tune up of sorts.

Once you pull it out, how they work makes perfect sense.

oh'mike 04-29-2016 12:52 PM

Re: Trouble with mortise entry lock
 
If you don't want to fix that yourself---most lock shops will rebuild those old units and send it back as good as new.

kjmass1 04-29-2016 01:27 PM

Re: Trouble with mortise entry lock
 
Great thanks. I've taken apart smaller interior door ones but this one is a different beast. It must be stripped or somehow not catching the lock cylinder. I'll grab a couple more pics when o get home.

kjmass1 05-01-2016 02:48 AM

Re: Trouble with mortise entry lock
 
So I removed the trim piece and discovered that if the cylinder was turned 7 times the lock worked fine. With the trim piece on I could only get 6 turns so I forced it a pipe wrench and now it works! Thanks.


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