Sprayed some GT85 on deadlock, lifted handle ensuring the second ‘click’ could be heard (a mm or so extra upwards on the handle from its normal up position), hey presto, door locked….and unlocked….and locked…. So, I’ve just returned after a successful door lock fixing job……ensured dead lock lined up with keeper, it did. If you dont find the product (s) you are looking for, give us a call 80 or use the chat box at the bottom of this page. Pricing varies based on options selected below. When in this position the deadlock turned very slightly, just enough to prevent handle only opening the door, it definitely wasn’t secure enough. The Corbin Russwin 1000 Series Mortise Cylinder is for use with Corbin Russwin Mortise Locks and D元000 Deadlocks. And I hear what you’re saying about not knowing if all lined up correctly but it just felt right when closed and handle lifted as if all locks engaged. Before starting the project, you must first ensure that all the tools and materials necessary are prepared. But by following this guide, the task would just be as easy as it should. There was no chance the keepers had moved – adjusting screws and holding screws all very firm. How do you change a mortise lock into a cylinder Changing a mortise lock to a cylinder one can be such a difficult undertaking to do.

Cougar…cylinder was removed because thats what youtube told me to do! With hindsight i now realise that it was unnecessary although in my defence the deadlock appeared to be the problem when I first looked at problem, briefly!

Mortise lock cylinder replacement