Make sure the lock is unlocked and place it on the mainframe of the door 2 5mm from the face of the sliding frame.
Install sliding door keyed lock.
Place the metal punch over the door frame that you are working with and make a hole.
Install both knobs by sliding the spindle through the slot in the latch.
Clean the door frame with hot soapy water and allow it to dry completely.
Remove the two screws holding the strike plate in place on the door jamb and install the new one in the same position.
How to install a key lock on a sliding glass door step 1.
After marking drill the holes for securing the lock to the frame.
Remove the keeper plate from one side then slide the cylinder lock housing out of the door on the other side.
Remove the screws securing the lock s keeper plate with a phillips head screwdriver.
Check the door edges for a sticker either from the company or the american architectural.
Place your head near the frame and tap it with the end of a screwdriver until you hear the sound change.