Remove the handles from the door using a philips head screwdriver.
How to fix sliding patio door lock.
Lift a bottom supported door such as an sliding glass patio door straight up to clear the bottom track.
Clean the door knob and lock with a degreaser and a wire brush.
Then replace the bottom screw in the hole where it was affixed to the handle to prevent the latch from falling into the doorframe.
If the pella sliding door does not lock tightly onto the strike plate on the edge of the door frame it creates an avenue for drafts to enter the room and for room air to be lost to the outside.
Step 3 removing the screws two screws on the end of the door secure the latch.
In addition to cleaning and lubricating sliding door tracks you want to lubricate the door lock.
Locate the latch adjuster screw near the lock s latch mechanism.
That includes pella s selection of sliding patio doors.
I receive a lot of calls about problems with upvc door locks because they can be problematic and unreliable.
The convenience of having a multi locking system on one door is advantageous.
Do this with a helper.
If a patio door is difficult to operate won t lock properly or is loose or drafty make adjustments to the roller latch or strike to fix the issue.
In this video i attempt to open a patio door that has got stuck locked.
To remove a bottom supported sliding door lift and then tilt the bottom out of the track.
The best way to lubricate any lock is to disassemble it and use an aerosol lubricant to flush away grime and coat the moving parts of the lock.
Sometimes the sliding door may have a latch that works by sliding a small notch up and down.
Close the sliding patio door and try the lock.
As a security specialist in london i regularly repair upvc door locks in my last post about french patio security i touched on upvc lock problems and the importance of up to date upvc locks.
The mechanics of the lock have broken leaving the top section of the door completely.
Turn the patio door knob up and down to inspect it for foreign objects dirt or rust.
Focus on the door latch which secures and locks the door to the frame to repair the problem.
Then sharply angle the bottom of the door outward and lift the door from the track.