Screen door roller replacement

A quick learner from USA says:
Watched a You tube video clip by your company but it seems i have an older style roller mechanism (at screen top) to replace; any advice?
Thanks in advance.
User submitted photo of their door hardware.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, Rich. You might have something like our 84-137 corner roller. To replace it, first turn the top two adjusting screws counter clockwise to lower the wheel. Then, remove the screen wire at the upper part of the door and lightly tap out the rail. Now you should be able to remove the corner wheels to see if our 84-137 is a match.
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