Can't get these patio rollers out

A quick learner from illinois says:
May 29, 2018

Here are the pictures I have of the rollers. I know it would be more helpful if the rollers were out of the door, but that is part of the problem. I have replaced rollers before and for the life of me I can't figure out how to remove them. There isn't a screw on the side next to the adjuster, and there are not any visible screws underneath. Any help you could provide me so that I can get them out and ID them so I can buy them from you would be greatly appreciated.

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Paul from SWISCO responded:
June 1, 2018

I'm not suggesting these are the rollers that you need (81-030), but I wanted to show you on top of the housing is a screw hole that a screw enters from the bottom of the door that goes through the housing and tightens to the bottom of the door frame. See attached media guide for more help.
A quick learner from IL says:
June 1, 2018
Hi Paul, thank you for the tip. It is a glass door, I saw that on one side of the door are the plastic strips that you can remove, and I'm assuming you can slide out one side of the glass - but are these doors not sealed? Should I get a pro to do this?
A quick learner from IL says:
June 1, 2018
Paul,

my mistake, read too quickly. i see that you said it enters from the bottom. I will check, but I was all over that inside with a flashlight, but certainly could have missed it!
Acorn Patio Sliding Glass Door Roller
Acorn Patio Sliding Glass Door Roller
81-030
$9.97
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