9/15/2016 10:09 AM
Lee, if you still have this problem I have a suggestion for you. I also had this machine but it was an older unit. the fan assembly was the same as yours. after fighting with this for a few years I suggested to my Equipment tech that we eliminate the fan assembly on the top of the engine altogether. I know this sounds strange but what we did was removed all of the hardware and installed an electric fan. fortunately for my my vice president owns an auto repair shop and runs a wrecker from it. I simply took the fan shroud from my GM and went shopping for an electric fan that would be able to bolt to my shroud. It took a little modification was all and it worked fine. ran like that for around 7 years, until the machine died on us.