@ Check the door status. Make sure the doorframe is aligned with the door.
There are no obstructions stuck in the doorframe.
@ Leave enough space for the deadbolt to extend into the doorframe when the door is locked.
2. Check your door / frame dimensions to make sure that they fit the following
measurements:
The cross bore diameter (2 /” / 54 mm or I /z” / 38 mm)
Backset (2 /a” / 60 mm or 2’/+” / 70 mm)
Diameter of the door hole ( I” / 25 mm)
Door thickness (I ?e” / 35 mm – 2 ie” / 55 mm)
If you have an existing lock, remove it, including the