Unable to remove old bottom rollers?

A quick learner from Sugar Grove, IL says:
My rollers are all nylon, and appear to be like your 84-064. I have followed the video, and pushed both tabs in with a screwdriver, and pried hard, but cannot seem to extract the roller. I pried so hard I almost broke off one of the tabs. Any ideas?

Note - the "Add Photos" button on this site did not appear to work. I could email a photo.

Thanks!
Lance
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Dave Sr. from SWISCO responded:

Like in the video, it's best to remove the adjustment screw, so it doesn't get in the way. Then, using a screwdriver, you should be able to pop each leg of the nylon roller housing out. If your existing roller is worn out, note that it doesn't matter in what condition it is when you remove it, since you won't need it anymore. Just use some force and pry it out.

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