Turn the screw under the door latch counterclockwise with a flathead screwdriver and remove it 1 x research source put the screw somewhere safe because you ll have to screw it back in later step 2 turn the key a quarter of the way.
How to replace cylinder door lock.
Place the nuts and bolts aside.
With a barrel lock it s the cylinder that allows the locking and unlocking of a door.
Open front door to reveal the face of the lock.
Locate the lock cylinder on the interior face of the door.
Replacing a euro cylinder or upvc door lock a simple guide from www fastkeys co uk additional info step 1.
Push the cylinder out of the lock maybe you need to push hard step 2.
This will hide the latch in the internal components of the lock and allow you to.
Insert the key into the keyhole and turn it slightly so that it s in the open position.
Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
There are several types of cylinder locks.
Insert a flatheaded screwdriver into the spindle housing hole.
Slide the bars slightly away from the cylinder towards the vertical sides of the doorframe.
Measure the size of the old cylinder.
Remove the old cylinder from your door.
Connect the door lock cylinder.
Unscrew and remove the cover called a case tighten the cylinder setscrews.
Prop open the door as you change the lock.
Insert the exterior part of the lock into the door by feeding the long metal piece through the opening in the center of the bolt.
Replace the big bracket that holds the door lock cylinder tight to the inside of the door.
Step 1 remove the flat screw under the latch.
The chances are good that the bolt is having a hard time finding the throat in the strike plate.
Remove the nuts and bolts securing the lock bars to the cylinder with a wrench.
Install the piece that connects the cylinder to the lock indicator stem.
Insert another flathead screwdriver under the edges of the tabs holding the lock cylinder in place within the housing.
Be sure the strike plate is secure and in reasonable alignment with the bolt.