There s an adjustment screw for each wheel near the corners of the door s frame.
How to adjust a patio sliding screen door.
Locate the first screw on the sliding screen door wheel assembly.
On my door the holes had plastic plugs in them.
Then pry them up gently until they pop off the track.
Inside a standard sliding glass door there are adjustable rollers that help it slide back and forth on the track.
Use the screwdriver to adjust this first screw.
Then raise it one roller until it lifts the door about 1 4 in.
Do the same at the other end of the door.
Unlock the wheels with a screwdriver if you can t remove the door.
Turning the screw clockwise will cause the sliding screen door to become higher as the wheels lower.
There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
To force the lower wheels off the track stick the tip of a flathead screwdriver under them.
Turn the adjustment screws counterclockwise to release tension on the wheels and lower the door.
Give the screw a clockwise turn and test to see whether the door slides easier.
If the door becomes even harder to open turn the screw in the opposite direction.
Turn the adjustment screw counterclockwise and lower the door until it rests on the track.
I used a steak knife to pry the plugs loose.
Some types of sliding screen doors take a little more effort but still aren t too difficult to remove.
Turning the screw counterclockwise raises the wheels on the sliding screen door.
Turning this screw raises or lowers the roller.