SWISCO - The Replacement Hardware Authority

metal bi-fold door

A home owner from New York says:
After I installed the newly purchased pin cap #21-108 & all nylinders, I feel that the nylon guides are very tight. It takes a bit of effort to operate the door. Your replacement part seems identical to what I replaced. What's wrong?
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Paul from SWISCO responded:
Since this is a new nylon guide with an old track, the meshing between the two needs to work itself out. Try silicone spray on the track to see if that helps.
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