Mortise Lock Replacement

Introduction

A mortise lock is a vital component of your door's security and functionality, and when it breaks, it's important to address the issue promptly and correctly. In this guide, we'll walk you through the steps of replacing a mortise lock.

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Étape 1 Unscrew the Door Handle

Mortise Lock Replacement, Unscrew the Door Handle: étape 1, image 1 de 2

Mortise Lock Replacement, Unscrew the Door Handle: étape 1, image 2 de 2

Outil utilisé dans cette étape :

iFixit Precision 4 mm Screwdriver Bit

$2.99

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Unscrew the set screw holding the door handle using a 3mm hex key.
Some security doors might not have a set screw and instead require you to remove the whole faceplate.

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Étape 2 Remove the Handles

Mortise Lock Replacement, Remove the Handles: étape 2, image 1 de 2

Mortise Lock Replacement, Remove the Handles: étape 2, image 2 de 2

Remove both handles by pulling them out of the lock.
Take care not to lose the little plastic rings. They act as a bearing, ensuring that turning the door handle feels easy and smooth.
Some special doors, such as fire doors or steel doors, will require you to remove the faceplate in order to remove the lock, as with these, it mounts through the lock body.

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Étape 3 Remove the Lock

Mortise Lock Replacement, Remove the Lock: étape 3, image 1 de 1

Should you have a cylinder installed, you will have to take it out before you can remove the lock.
Remove the two screws securing the lock to the doorframe.
Pull the lock out towards you.