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Bob C · 05-24-2025, 06:07 PM

After you get the fan to fit on the pump without the key I lap the fan to the shaft with valve grinding compound and check the fit with prussian blue.

05-24-2025, 06:07 PM	#12
Bob C Senior Member Join Date: May 2010 Location: So Cal Posts: 9,356	Re: New aluminum fan blade problem After you get the fan to fit on the pump without the key I lap the fan to the shaft with valve grinding compound and check the fit with prussian blue.