How Do I Remove This Roller?

A home owner from USA says:
Greetings, I am having trouble removing the tandem rollers on a vinyl patio door installed in a new home in 2000 outside of St. Louis MO. It resembles your part #81-157.

When I remove the top mounting screw on the side of the door, the rollers do not come out on either side of the door. It appears that another screw on top of the rollers is holding it in similar to the 10-32 hole on your 81-157. Looking from the bottom of the door, I can see the threaded end of a screw that appears to be holding the roller in, screwed from the top. How can I gain access to that screw to remove it?

I can't find a manufacture name anywhere on the door.
User submitted a photo of a patio door roller.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
You will need to remove the bottom rail on the patio glass door. That set screw is hidden under the glass on the door. After you remove the bottom rail off of the sliding door you will gain the access to that screw.
A handy person from st louis, mo says:
Thanks for your response. This is a vinyl door and is all one piece. The corners are welded together. If I cut the welds, how do I put it back together? I don't understand why a manufacture would make something that can't be repaired without destroying it.
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Paul from SWISCO responded:
Do not cut the welds! You need to remove the door, lay it down on a table or a pair of saw horses, then remove the glass to get to the installation screw on top of roller. I know it's a hassle, but unfortunately that is the way these doors are designed. I guess they thought nobody would ever want to repair it!
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