The screws usually aren t difficult to rotate but you could lubricate them with a penetrating oil if they appear rusty.
Sliding door adjustment screws.
If the side with the adjusting screw is too high causing it to bind at the top turn the screw counterclockwise.
To check the adjustment stand back and look at the door from the outside.
Turning the screw counterclockwise raises the wheels on the sliding screen door.
Use the screwdriver to adjust this first screw.
Take a peek inside the slots at the screws to see whether you need a flat head or phillips head screwdriver.
You may only need to adjust one of the screws to get your door back on track or you might have to tinker with both sets.
Sliding doors slide best when a uniform gap is maintained along the edges and bottom of the door.
All it takes is a few turns of the adjusting screw on the edge of the bottom rail of the door.
Rotate the screws clockwise to raise the door or counterclockwise to lower it.
As the adjustment screw turns the door either raises or lowers with the rollers allowing for a proper position of the door in the track.
Turning the screw clockwise will cause the sliding screen door to become higher as the wheels lower.
Locate the first screw on the sliding screen door wheel assembly.
There should be a uniform gap along the bottom and top edges of the door.