Posted by Randy Kuhn on August 29, 2012 at 17:08:01 from (220.127.116.11):
First of all, please excuse my mechanical ignorance. I"m looking at purchasing a 1964 John Deere 4020 Diesel. The only thing that has me worried, was when i looked at the lower crank shaft that drives the fan belt from below the fan. There is an aluminum looking part with 2 "ear"s" on it that is suppose to be attached to another shaft that run"s under the radiator. One of the 2 pin"s on that part is half broken off the part behind it! What is that part, and what is the purpose of that shaft?
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