SWISCO - The Replacement Hardware Authority

rollers for anderson sliding glass door-1990 bronz finish

A home owner from so brunswick, nj says:
the marking on the left endframe of the sliding door: ps11 or oper 8 88
as u mentioned, I can see 2 roller assemblies, one near each end.
it also shows a hole to adjust the screw. it is 30inx78in door
it takes quite a force to slide. out/in.
A home owner from so brunswick, nj says:
my recollection of roller seems to match with
your code 81-018. I can not measure or picture
unless I take down the sliding door which as u
know is quite heavy to do it alone and once I get help, then I should like to replace these rollers, assuming that's the reason for sliding difficulty.

what is your advice?
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Tom from SWISCO responded:
Unfortunately, we cannot determine what roller you have without seeing the originals. There is no way for us to confirm that the 81-018 is correct or not. The only way to know is to carefully compare our pictures and dimensions to your own hardware. I am sorry we cannot offer a more definitive answer.
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