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Reload this Page 782 hydro fan breaking issue
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Old 01-01-2020, 02:50 PM
wig wig is offline
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Join Date: Mar 2009
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Default 782 hydro fan breaking issue
I have an issue with the hydro fan breaking the blades off on my tractor. I bought a new fan about a year ago after the original broke all the blades off. After using it only a few times this summer it broke again. I ordered a new one and plowed a little snow and then found two blades already broke off. It only has a little clearance when it turns between the blade tips and the hydro filter. Is that normal? It doesn’t appear to have any movement in the rear end or motor that would cause the drive shaft to shift. I was thinking about shaving a little off the tips of the fan blades on the new one for more clearance but at this point it would only help on the remaining blades. Any ideas of what is going on? Thanks
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Old 01-01-2020, 03:07 PM
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chris hall chris hall is offline
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If your driveshaft couplers are worn that might be something to consider. I've had the bolt holes get egged out before. You could remove the driveshaft cover disconnect your plug wires and bump the engine over a few times to see or hear if anything is hitting. Just make sure you are safe when doing this.
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Old 01-01-2020, 03:12 PM
wig wig is offline
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Update on my original post. When I replaced the first fan blade I did replace one of the rubber couplings. Guess I should start by replacing the other.
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Old 01-01-2020, 03:18 PM
R Bedell R Bedell is offline
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I had the same issue on mine. I replaced the worn Flex Discs, and the Pilot Bushings in both Drive Couplers. Smoothed things right out.
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Old 01-01-2020, 03:37 PM
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Yep. Makes all the difference.
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Old 01-01-2020, 05:29 PM
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if you have an aluminum rear end in the late (CCC) produced 782 cub, check to see if the front mounting brackets are broken as well as if the rear mount bolts on the axle are still in there and tight.
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