In Reply to: Re: Belt Adjusting Arm (Part # 8N-10145) posted by Jim Lovejoy on June 28, 2020 at 09:17:26:
Your arm is correct -I have the OEM drawing. Your belt is too long. Requires p/n 9N-8620-B. Someone sold you the longer belt used on the LH mount genny. Arm will mount above the governor -see pix. Bolt is 3/8-16 a 1-3/16" long. If not OEM try an 1-1/4.
FORD TRACTOR 8N-10000 GENERATOR, TO S/N 263843 & TENSION ARM: