GC1705 HST Cooling Fan Loose

[jlgurr]

Anyone ever had an issue with the hydro cooling fan vibrating? Mine is loose on the shaft as if the collar is too large and it vibrates something awful during idling. Looks like an expanded dowel secures it but the hole is wallered out for that too. Maybe I just need to not worry about it?

There's only 137 hours on this machine. :-(

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[irvingj]

Not sure about the 1705, but on my 2310, the fan is secured to a flange by two bolts, and the flange is secured to the HST shaft by a roll pin. Maybe the bolts are just loose (or missing)?

 

[jlgurr]

Not sure about the 1705, but on my 2310, the fan is secured to a flange by two bolts, and the flange is secured to the HST shaft by a roll pin. Maybe the bolts are just loose (or missing)?

That's what I thought at first and it would be an easy fix. The two bolts are tight and the flange is loose on the shaft. The roll pin appears to be snug. Thought about driving out the pin and installing a small bolt that I can tighten up on the flange to squeeze it against the shaft.

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