[sunman]

Here’s some photos.
Loosen the bracket to frame bolt by holding the 1/2” x 2” bolt head and loosening the top nut. Bottom nut has red locktite and star washer.
Adjust with da 3/8”-24 nuts then tighten it all back up.
Made the frame slots longer and removed some of spring centering metal to get underneath nuts to clear.
There’s 48 pieces of hardware 4 tabs and 2 brackets.