Bifold Door Parts

A home owner from Cleveland, OH says:
The peg on top loses its spring (even replacements from Home Depot) and roller dusk on top won't stay in track. Peg/pin on bottom will not stay in hole/bracket on floor. There is no track along bottom of any. We have eight closets like this. Most with double bifold sliders. I love them. My husband's getting ready to throw them out the window. Do we need to replace entire system? (When they break).
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Bob from SWISCO responded:

Can you tell us the diameter of the pins, as well as any caps atop those pins? Also, does any of the doors still have a label that tells us the brand or manufacturer? From there, we'll do our best to help.

A home owner from Cleveland, OH says:
There are no caps. The diameter of flat roller is .5 in and the pin that is springy is .25 in. The pin that adheres door to floor is 1/8 in diameter (it is tapered so the part that sticks into the floor is smaller than the part protruding from door). There are no identifying marks on metal tracks or doors but the doors are wood and original to house built in 1964.
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Paul from SWISCO responded:

The bottom threaded adjusting pin, the 23-127, is very important in raising, lowering, and squaring of the doors to the opening. The top track pivot bracket hole looks larger then the 1/4" pin on the 23-126, which otherwise is what you require; if that's accurate, you can add the 3/8" 21-100 cap to the pin to make it work for you. The top guide pin, the 23-125, has a 7/8" nylon roller. Please review and see if all this hardware would work for you.

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