Patio door,vinyl clad, slider

A handy person says:
Need help identifying a video or instruction on door removal so I can replace the rollers. They sound like the bearings are really gravel.
I tried putting the rollers all the way up but I can't get the door removed.
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Bob from SWISCO responded:

Thanks for writing in. For replacement and removal details of patio door rollers, see our video below.

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