Paul from SWISCO responded:
July 14, 2017
To install the 21-078 pin assembly, you will need to remove the door so that you can slide the pin with the spring and cap into the hole and then lock it in with the palnut that is supplied. I hope that makes sense!
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Paul from SWISCO responded:
September 1, 2017
Sorry to hear you're having trouble. I don't think you necessarily need more pins. I would first adjust the bottom threaded pin to see if that helps. That might be the only problem.
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Paul from SWISCO responded:
September 7, 2017
The bottom threaded pin is located at the bottom corner of the bi-fold door, and it can be adjusted to raise and lower door.
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