Pay attention to the following steps.
Tilt and slide patio door adjustment.
Use an allen key on the screw at the door side of the hinge.
How to adjust sliding glass door rollers for a smoother ride.
On my door the holes had plastic plugs in them.
Turn 1 2 rotations clockwise and then test to see if it still drags.
If the door becomes even harder to open turn the screw in the opposite direction.
This adjustment works best for a door that has dropped towards the handle side and not the hinge side.
The locking pin is located at the side of the handle.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
Give the screw a clockwise turn and test to see whether the door slides easier.
The most common type is the tilt and turn mechanism.
Start by adjusting with the door closed.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
Tweak the hinges until you get a smooth open and close.
The structure of a tilt and turn system.
In order to properly adjust a patio door it is important to understand its opening mechanism.