I talked to a IH Cub Cadet mechanic of 40 years and he says that the drive shaft fan is important because the hydro pump gets HOT when you are running it. This is one of the reasons why it is unpainted. He also recommends cleaning it off with compressed air (the hydro pump) when stuff gets built up so it'll run cooler. I also agree with getting another dealer. There is a reason the factory put them there.
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Daniel G.
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(May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.
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