Using a bump key 1 bump open a tumbler lock.
How to get lock on door.
After some wiggling your lock will hopefully open.
To bump a lock the bump key is inserted into the keyway and pressure is applied via a hammer or a screwdriver.
Bend one of the paperclips and fold out the other one as straight as possible.
How to open a door that s locked and cant be opened with the handle or knob.
Once your latch plate is off and your casing bolts are removed pull the 2 halves of the lock straight out on each side of the door.
Dump out the old pins insert the new key and use tweezers or small needle nose pliers to match the new colored pins to the color code on the special instruction sheet.
When you insert the bent paperclip stick the straightened paperclip beneath it and move it around.
You don t need to remove that unless you are changing out your entire door lock.
You ll see the frame of the lock that holds the latch or dead bolt plug remaining in the hole.
Bumping a lock is a quick simple lock picking technique that is useful in the case of having to open a door that s been closed for a long time for example of an unused home on family property or if you need to break into an elderly relative s house to make sure they re okay.
And if anyone tries to forcefully break in the bull will make the door a more difficult opponent as it distributes the force more evenly between the door and the door frame.
At this exact moment if the right amount of torque is applied you will be able to unlock a door without a key.
Once the new pins are in reverse the steps to reassemble the lock.
While a door barricade might allow someone to open the door slightly the door bull is more of a lock.
The most comprehensive method of ensuring security it involves removing the existing lock from the door including the handle if it s a handle lock combo and then installing a brand new lock in.
Insert the pins and reassemble the lock.
It keeps the door fully closed.
The pressure exerted on the bump key causes the key pins to push the driver pins above the shear line.