The best way to thaw out a lock is to insert a heated key into it.
How to fix my front door lock.
Equip a rotary tool with a carbide tip bit.
Inspect the strike plate on the edge of the door frame.
Watch this video and l w.
If the weather is very cold don t discount the possibility that the lock might have frozen.
1 loosen the setscrew on the knob s shank.
Open the door wide and put on a pair of safety glasses to protect your eyes.
If it is loose or has slipped out of the mortise place it back in the mortise and tighten the screws with a phillips screwdriver.
If it won t lock open the door.
Don t call the locksmith just yet.
In some cases you will have to use a de icer on your locks to resolve the problem.
A latch bolt that sticks in the strike often leave tell tale marks or scrapes on the.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
Using gloves dry the key and insert it slowly into the lock.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
Warm the key by placing it on top of a radiator or in a bowl of hot water.
You can heat your key or use a blow dryer to thaw the door lock.