How To Change A Mortise Door Lock
Open the door that you want to change the lock cylinder on.
How to change a mortise door lock. How to replace a mortise lock with a cylindrical lock. 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. 5 carefully thread the new cylinder into the body of the mortise lock.
How to replace a mortise lock with the door open unscrew the retaining screws. With the screws out carefully prise out the lock. You ll see that on the narrow part of the door there is a plate that goes over the lock cylinder. Convert a door that has a mortise type lock set installed to the newer and cheaper cylinder type lock sets.
Step 2 mark lock position and outline. 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. Once you ve removed the door lock template you have a space perfectly primed for your new lock. There are certainly modern mortise locks which accept pin tumbler cylinders.
Measure the depth width and height of the lock mortise. Use a screwdriver to. Step by step instruction to install a mortise lock. 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.
Place two screws from your new door lock kit in the doorjamb to hold the template in place then use the bit from your lock installation kit to drill a hole where the new doorknob will go. Since you are going to do a lot of hammering and drilling ensuring. Step 1 steady door. Hopefully helpful when rehabbing old houses.
Paint over the block to match the rest of the doorjamb. You may need to enlarge the mortise. Remove the screws attaching the inside face plate to the edge of the door as well as the plates on the door faces. Use extreme caution not to cross thread the cylinder as this may ruin the entire lock.
Whether any of them will fit in your existing mortise is another question.