On some sliding glass door locks the door handles have long screws that go right through the steel mortised lock and there is usually a actuating lever that slides into a rectangular hole in the lock.
How to repair a lock on a sliding glass door.
Usually you buy just the mortised steel lock assembly that fits within the door and reuse the old handles and actuating lever.
Remove the handles from the door using a philips head screwdriver.
Mark the spot on the frame.
Leave the screw driver in place.
Place the interior side of the door lock frame into the door.
It s an easy fix.
Do you have a universal fit set that would work in it.
This simple diy trick may solve your issues.
Hold the new lock up to the door to determine where the lock and screw holes should be drilled.
Place the door handle over the screw holes on the interior side of the door frame followed by the screws and hand tighten the screws.
Sliding glass door lock replacement.
A quick learner from new mexico says.
We have a door from the late 1950 s that has a broken mortise lock.
Take your graphite pen and insert it into the lowermost screw hole quickly to prevent the latch from falling into the frame.
The holes on the handles are 4 1 4.
This sliding glass door lock was not working.
Remove the screws above and below the latch.
Place your head near the frame and tap it with the end of a screwdriver until you hear the sound change.
This indicates there is no glass behind the frame.
Then replace the bottom screw in the hole where it was affixed to the handle to prevent the latch from falling into the doorframe.
I can t find a replacement to fit the mortise holes which are about 4 1 8.
Glue the jamb side strip in place with a plastic adhesive then clean up any excess adhesive or smudges.
Tighten the screws with a phillips head screw driver.
Use screws to secure the flange along the edge of the door.
Insert a screw driver through the bottom handle hole on the inside of the sliding glass door to hold the latch in place.
Step 3 removing the screws two screws on the end of the door secure the latch.
It did not latch shut.