How To Fix A Loose Door Lock Cylinder

Watch as a professional home repairman shows how to fix door.

How to fix a loose door lock cylinder.

First you will need to work on removing the broken key pieces from within the keyway of your door lock. Don t call the locksmith just yet. If your lock barrel is a little loose trace back the screw that is level with the lock on the inside of the door. If your doorknobs feel a little loose and jiggly you may need to tighten either the lock set for most modern doorknobs or the knob itself on older mortise style passage locks pictured below.

Disassemble the lock to view the placement of the screws you need to disassemble the lock to see how the set screws. Once the key pieces have been extracted the door lock should be examined. Tighten until firmly in place making sure not to over tighten. Here are the basic steps on how to fix this problem.

You can tighten a simple interior mortise lockset like the one shown at left as follows. If it s too small you can t exert adequate tightening force. Detach the knob from the door by inserting a key into the lock cylinder and turning it left without retracting the bolt. Watch this video and l w.

Door knob is loose. Then tighten the screw until you feel it resting against the flat side of the spindle. 1 loosen the setscrew on the knob s shank. How to fix a loose door lock cylinder 1.

If it s too large you can t drive the screw in all the way. 2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly. Door knobs may become loose over time. Methods of tightening them depend upon the type of lockset.

Then depending on the type of doorknob insert a schlage spanner through the hole on the side of the knob shaft or use a small screwdriver to trigger the catch on the side of the knob shaft.