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Trying to figure out what screw is needed on the crank arm on the carburetor. mine didn't have a screw, and it looked like it's the right size for a 10-32, but the screw i picked up doesn't thread in. it will go in a couple threads and then gets tight. I'm wondering if there's somewhere i could look that would list the thread size that's supposed to thread in. I don't mind cleaning the threads out with a tap, but i want to make sure i'm not cutting new threads in a different size. Or if anyone has an extra screw they can measure and let me know, I would really appreciate it.

The TM shows it to be a #10-24NC-2 x 7/8" machine screw, fillister head.

Looks like you had the correct size, wrong pitch.

Thanks Mike! i didn't know they had that in the TM, i'll have to look through the manuals i have and see if i can find it. Appreciate it!

It is in the 1954 ORD 9 parts manual, fig 03-1 and on page 69.

Sounds like a book i should probably find a copy of...the only book i have here is the TM 9-8030 "operation and organizational maintenance"