If that doesn t work check for damaged wheels that need to be replaced.
Sliding screen door adjustment screws.
Turn the adjustment screw counterclockwise and lower the door until it rests on the track.
Each sliding screen door typically works on 2 wheels with each having their own adjustable screw.
The sliding screen door lowers which makes it possible for you to remove the sliding screen door.
Adjust the door by turning the adjustment screws.
After a successful adjustment your door will glide along its tracks almost as well as it did when it was first installed.
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If the side with the adjusting screw is too high causing it to bind at the top turn the screw counterclockwise.
Position the door so the frame is about 1 4 in.
Screen doors also have tension screws you can use to change the door s position.
Slowly raise the other roller until there s an even gap between the door and the track.
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Then turn the screws until the frame is parallel with the jamb edge.
Do the same at the other end of the door.
If it s too low use a flat pry bar to raise the door while you turn the adjusting.
The bottom of the frame should be about 1 8 in.
From the jamb edge.
There should be a uniform gap along the bottom and top edges of the door.