Start by connecting the red applicator straw over the spray can nozzle.
How to fix a door lock that sticks.
Press down on the button on the rear of the wd 40 canister to begin releasing the lubricant into the lock.
The knob will not turn to retract the stuck door latch.
With the door open use a phillips screwdriver to take out the two connecting screws that are located by the doorknob on the inside of the lock.
Hold down the spray button until the wd 40 begins to overflow from the lock opening.
Try to open the door while it is shut.
But you can also put some rubbing alcohol or other preferred cleaner in while the knife is closed.
Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
After cleaning it wipe it down to get as much of the cleaner out as possible.
Open the door wide and put on a pair of safety glasses to protect your eyes.
Inspect the strike plate on the edge of the door frame.
A latch bolt that sticks in the strike often leave tell tale marks or scrapes on the.
Slide the doorknob off the spindle pull out the lock mechanism and remove the latchbolt from its hole in the edge of the door.
When using a cleaner you should have some dirt drip out.
Spray the wd 40 into the lock.
Take note of the type of resistance.
Remove the two screws that hold the lock faceplate on the edge of the door.
In fact in many instances squirting some wd 40 inside the lock is all you need to fix the situation.
The first thing you want to do is grab a screwdriver and remove the screws that are holding the lock together.
Troubleshooting a stuck door latch.
Spray the lock a few times and allow it a few minutes to work its magic.
If you want to give it a thorough cleaning i highly recommend taking it apart so you can really clean the lockbar.
The door latch is not extended before rotating the knob.
If the latch does not catch close the door slowly to watch how the latch bolt meets the strike plate.
Once apart use gum out or another similar cleaner to clean out the inside of the lock.
The straw will increase the accuracy of the spray and enable you to get deep inside the lock.
Repairs range from making minor latch adjustments to repositioning the door.
Equip a rotary tool with a carbide tip bit.
