First lift your door up and down in the track.
How to install sliding screen door wheels.
Remove the screen door if you have one.
The increased difficulty occurs when the rollers installed on the screen door become worn rusted or caked with dirt.
Place the screen doors safely off to the side until you are ready to put them back.
Most screen doors use spring loaded rollers to keep the door from jumping off of the track.
If not please continue to step 1 figure 1.
Instead these wheels ride the track.
If you can remove the door go to step 2 figure 2.
First lift the rollers off the track by sliding a flat head screwdriver or putty knife under the roller and pushing up.
Check if there is enough room to remove your door without adjusting the rollers.
Although there is more than one design for sliding patio screen doors the most common one employs a pair of rollers on the bottom of the door that fit on a track on the bottom of the frame.
Make clockwise turns with a phillips screwdriver to push the wheel outward and raise the door or use counterclockwise turns to retract the wheel and lower the door.
Grasp both sides of the frame and lift the door up off of its tracks.