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How to replace cylinder door lock.
Remove the nuts and bolts securing the lock bars to the cylinder with a wrench.
Open front door to reveal the face of the lock.
Prop open the door as you change the lock.
Be sure the strike plate is secure and in reasonable alignment with the bolt.
Replace the big bracket that holds the door lock cylinder tight to the inside of the door.
Install the piece that connects the cylinder to the lock indicator stem.
This will hide the latch in the internal components of the lock and allow you to.
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.
Connect the door lock cylinder.
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.
Push the cylinder out of the lock maybe you need to push hard step 2.
Unscrew and remove the cover called a case tighten the cylinder setscrews.
Slide the bars slightly away from the cylinder towards the vertical sides of the doorframe.
Insert the key into the keyhole and turn it slightly so that it s in the open position.
Replacing a euro cylinder or upvc door lock a simple guide from www fastkeys co uk additional info step 1.
Use needle nose pliers to push down the three small tabs and attach the remaining smaller bracket to the back of the cylinder.
Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
With a barrel lock it s the cylinder that allows the locking and unlocking of a door.
Locate the lock cylinder on the interior face of the door.
Measure the size of the old cylinder.
Step 1 remove the flat screw under the latch.
Insert another flathead screwdriver under the edges of the tabs holding the lock cylinder in place within the housing.
Insert a flatheaded screwdriver into the spindle housing hole.
The chances are good that the bolt is having a hard time finding the throat in the strike plate.
Unscrew the main screw red dot place the key inside the cylinder and turn it to the left or right to make sure that the carrier is parallel with the cylinder.