2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
How to fix door lock on house.
How to fix a door that will not lock.
Don t call the locksmith just yet.
Remove a small amount and test the latch by closing the door.
Never use oil for this task.
Tackling a frozen door lock frozen door locks are easier to fix than you might expect as long as you have the right tool handy.
Next the lock needs to be lubricated.
Move to the edge of the door.
Remove the old lock.
Remove the lock faceplate.
Examine the striker plate.
1 loosen the setscrew on the knob s shank.
Hand sanitizers work because the alcohol in them melts the ice that has made the lock seize up.
Fixing or repairing a door lock may seem like a daunting task but it can be very simple to fix.
Grasp the doorknob with one hand and turn it to retract the latch.
Remove these screws unscrew one side of the door knob and pull the door handle and lock assembly out of the door.
If it won t lock open the door.
That s the small rectangular brass plate on the jamb that the striker slips into.
To fix the loose door lock cylinder you need access to the set screws holding the cylinder in the lock.
Tap the end of a chisel under the door stop on.
3 if this does not help remove the knob.
Believe it or not a small bottle of alcohol based hand sanitizer is all you need to open a frozen lock.
If you can put the key in the lock but cannot to turn it the lock may have seized because dirt or grime has gotten caught in the mechanism.
To clean the lock mechanism insert a damp cotton swab into the keyhole and jiggle it around to attract the dirt.
Locate the screws holding the lock in place on the inside of the door.
Shut the door and try to lock it.
Continue removing metal until the door latch catches.
If the malfunctioning lock is in the door handle there will be at least two screws securing the door handle to the door.
The striker plate is.
In many cases removing the faceplate is enough but in some cases you may also need to remove parts of the lock from the door.
Watch this video and l w.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
Shave off the inside of the strike plate with a rotary tool and a metal cutting carbide bit.
Disassemble the lock to view the placement of the screws.