As the framing inside the door opening settles the tracks raise or lower with the floor.
How to adjust sliding glass door rollers.
Adjusting the rollers on your pella sliding doors raises or lowers the door panel as necessary to get the door working.
Many doors have a small plastic guide at the middle of the lower rail.
Every standard sliding glass door has adjustable rollers that help it slide back and forth within the track.
How to adjust sliding glass doors.
The sliding panel should glide across the tracks when you open the door without jamming.
On my door the holes had plastic plugs in them.
Download instructions for more information.
How to adjust sliding glass door rollers for a smoother ride.
Most sliding glass doors contain two sets of rollers one on each side of the bottom of the door.
These holes hide the adjustment screw for the coordinating rollers.
There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
You can alter the height of these rollers by accessing the adjustment screws which are set into slots on the door s outer edges perpendicular with the rollers themselves.
Others have a guide rail screwed to the door photo 1.
If an off track roller isn t the problem you ll have to remove the doors to adjust and possibly replace the rollers.
To remove this type of guide just remove a single screw.
Over time the framing of your home settles.
Locate the adjustment screws on the lower edges of the door.