Mirrored bifold pin placement and missing parts

A home owner from USA says:
March 22, 2019
I have a mirrored Benchmark bi-fold door. The hinges had separated from the frame, fixed that. Trouble opening, hinges part of problem. There are two pin holes, pins were in first, on bottom, second on top. Which hole should I use? Track and pins good shape. I wasn't as smart as I thought I was. Door were always difficult to open. The hinges came loose from the frame fixed that. Believe I am missing some parts. Missing plastic inverts from pin holes, clips nod one pin spring. Have two
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Paul from SWISCO responded:
March 25, 2019

For your bottom threaded pivot pin, take a look at our 21-002 to see if this will work for you. For the three other spring loaded pins, our 21-042 are worth considering. You may need to replace the nylon grommets, with something like the 21-163. These help the pin to slide through the metal door holes. Look over everything and let us know what you think. 
Bifold Door Pivot Pin, Benchmark
Bifold Door Pivot Pin, Benchmark
21-002
$4.20
Bifold Door Top Pivot and Guide Pin, Benchmark
Bifold Door Top Pivot and Guide Pin, Benchmark
21-042
$4.10
Grommet, Benchmark
Grommet, Benchmark
21-163
$0.87
Bi-fold Door Repairs
Bi-fold Door Repairs
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