Hopefully helpful when rehabbing old houses.
How to change a mortise door lock.
5 carefully thread the new cylinder into the body of the mortise lock.
Unscrew the lock cylinder from the body of the mortise lock by turning it counterclockwise to the left.
First you need to make sure the door stays steady.
Remove the screws that are holding this plate on and make sure that you put them in an area that won t get disturbed during the next steps.
How to replace a mortise lock with a cylindrical lock.
You may need to enlarge the mortise.
Use a table saw and miter to cut.
Since you are going to do a lot of hammering and drilling ensuring.
Measure the depth width and height of the lock mortise.
Step 1 steady door.
Paint over the block to match the rest of the doorjamb.
Step by step instruction to install a mortise lock.
Convert a door that has a mortise type lock set installed to the newer and cheaper cylinder type lock sets.
You ll see that on the narrow part of the door there is a plate that goes over the lock cylinder.
With the screws out carefully prise out the lock.
Use a screwdriver to.
You will undoubtedly have to drill for the cylinders.
You may need to drill new knob latch holes as well though decorative brass or chrome plates can hide a multitude of sins.
Whether any of them will fit in your existing mortise is another question.
How to replace a mortise lock with the door open unscrew the retaining screws.
There are certainly modern mortise locks which accept pin tumbler cylinders.
You ll usually find there s a metal cover screwed to the mortice lock which will come away as you unscrew with some more screws underneath holding the actual lock in place.
Once you ve removed the door lock template you have a space perfectly primed for your new lock.
Step 2 mark lock position and outline.
Remove the screws attaching the inside face plate to the edge of the door as well as the plates on the door faces.