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원문 게시자: originalmachead ,

텍스트:

''I wonder if it's "reversing" (Not closing on it's own) because it's binding or hitting an obsticle'' near the end of the upward portion of your track - '''check your supports, one may be lose or have dropped a bolt/nut that's in the track.'''  If you have torsion springs the cable drum/pulley may bind at the end of upward travel.

There are "tensions" or adjustments that can change the amount of pressure before reversing starts.... that may have vibrated to a setting that's too quick to reverse.

현황:

open