2 remove the two smaller.
How replace a lock main door.
This allows you to pull the door.
Go ahead and take your philips head screwdriver and remove it on the side of the door.
Pull out the two door knobs.
Unscrew the two screws on the base plate of the door knob on the interior side of the door using a screwdriver with the appropriate head.
Tighten the screws so that all parts are flush against the door.
Before starting to replace the lock on the front door it is important to familiarize yourself with the main types of locking devices.
Use the long screws to attach the doorknobs to the door and two short screws to secure the latch piece onto the door.
Types of locks.
Fit the new doorknobs on the door placing the doorknob with the screw holes on the inside of the door.
In some cases door latch plate mortises might need to be cut or enlarged.
The way of its replacement depends on the structure of each castle.
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.
By the method of the device distinguish between overhead mortise and padlocks.