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10-28-2020, 07:31 PM | #1 |
Junior Member
Join Date: Jul 2019
Posts: 29
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Water pump is tough to spin. Normal?
Hey guys! My two blade fan exploded so I had to remove my water pump to replace it. Upon removal, I noticed the pump spins but not very freely. It’s needs a bit of pressure to spin it. Front bearing looks rather new. Is this normal? Thanks!
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10-28-2020, 08:34 PM | #2 |
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Join Date: May 2010
Location: brentwood, ca
Posts: 4,245
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Re: Water pump is tough to spin. Normal?
There is a pointed washer that nests between the impeller and the water pump housing.
It could be out of position and binding. Take the waterpump apart, and rebuild it. Should not be any binding, as you describe. |
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10-29-2020, 07:21 AM | #3 |
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Join Date: Sep 2018
Posts: 88
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Re: Water pump is tough to spin. Normal?
...as brentwood bob said above "rebuild it". When the fan exploded did it bend the WP shaft. Better check it. ken
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10-29-2020, 10:50 AM | #4 |
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Join Date: May 2010
Location: So Cal
Posts: 8,753
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Re: Water pump is tough to spin. Normal?
I think the packing would keep it from spinning freely.
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10-29-2020, 04:39 PM | #5 |
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Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,496
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Re: Water pump is tough to spin. Normal?
"A bit of pressure to turn it", Binding", "Turn freely" are very subjective terms. There may be nothing wrong with the pump, just the owners expectation of what it should be like. IMO, if it was working well before, it will work well now so leave it alone. As Bob C said, the gland packing would prevent it spinning "freely". I suspect there is nothing wrong with it.
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10-30-2020, 08:24 PM | #6 |
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Join Date: Apr 2013
Location: Big pine Ca 93513
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Re: Water pump is tough to spin. Normal?
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10-30-2020, 10:57 PM | #7 |
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Location: Oregon
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Re: Water pump is tough to spin. Normal?
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10-30-2020, 10:59 PM | #8 |
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Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,496
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Re: Water pump is tough to spin. Normal?
And some of the "leakless" pumps are pretty ordinary, IMO.
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