If it won t lock open the door.
How to fix door handle lock.
The latch will not retract even when the knob is turned.
Apply a little powdered graphite into the handle s keyhole if the lock is stiff or hard to operate.
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.
Identify the screw in the doorknob collar.
How to repair door lock handle lock repair here we look at repairs for lockets and knobs.
If exposed screws are being used you will have to find the set screw which is normally found on the inside of the door.
Place all pieces of the door handle in the containers.
Using either a screwdriver or allen key loosen the set screw and remove the handle which will uncover the shaft.
15 to 30 minutes this video will guide you through the process of repairing replacing or tightening your door handles at your home.
Used by locksmiths and watch makers powdered graphite helps lubricate delicate moving parts.
Pour enough to submerge each part entirely.
If it is a threaded shaft you will have to twist the shaft s handle to make it flush with the door.
Make sure that no part extends past the lip of the container it is placed in.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
If you have a key that won t work in the lock please see how to.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
Take note of the type of resistance.
Troubleshooting a stuck door latch.
Work the key in and out a few times to work the product around the tumblers.
The knob will not turn to retract the stuck door latch.
1 loosen the setscrew on the knob s shank.
The door latch is not extended before rotating the knob.
Take doorknob to hardware store if necessary.
Look around the collar on the doorknob and identify the set screw that is threaded into the collar.
3 if this does not help remove the knob.