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Super H water pump

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blarson

12-20-2002 05:57:38




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I'm trying to remove the fan to loosen a rusted fan pulley. Manual says to remove driver pin and driver. How does the driver pin and driver come off? Ive been soaking in Blaster and tapping for 2 days




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IH

12-20-2002 10:37:08




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 Re: Super H water pump in reply to blarson, 12-20-2002 05:57:38  

third party image

You will see in the picture that there is a nut on the barbell shaped thing with the springs behind it. That is the impeller drive for the water pump. Loosen the nut and tap on it, it is a tapered pin. Then the barbell shaped thing should slide off, be careful not to loose the springs! Then take the 4 bolts out that hold the fan blade on.

What I've always done with rusted adjustable fan and generator pulleys is to soak them with PB Blaster or other good penetrant for a few days, loosen set screw, then use a punch and hammer and give a few good taps. They usually come loose then.

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Bob M

12-20-2002 06:15:23




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 Re: Super H water pump in reply to blarson, 12-20-2002 05:57:38  
If you are simply trying to loosen the adjustable pulley to set the fan belt tension or change the belt, you don't need to mess with the pump "driver". Rather you need to loosen the set screw in the front flange of the fan hub. Lot's of PB Blaster and careful application of heat may be required. But go easy on that setscrew! I snapped the head off on my Super H - now gotta figure a way to extract the rest of the setscrew out so I can adjust the fan belt.

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