Place a flatheaded screwdriver into the spindle at the center of the lock cylinder.
How to change door lock core.
This will align the square tab on the.
Once the new pins are in reverse the steps to reassemble the lock.
This will hide the latch in the internal components of the lock and allow you to.
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.
Step 1 remove the flat screw under the latch.
Using a normal key turn your old core to the unlocked position please note that there are a few locks that must be in the locked position to remove.
Insert the pins and reassemble the lock.
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.
This video shows how to change the core or barrel of an interchangeable lock such as best lock.
Prop open the door as you change the lock.
Unlock it by turning the screwdriver counterclockwise as far as it will go.