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Old 11-08-2019, 12:40 PM   #14
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Join Date: Jul 2014
Location: Oklahoma
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Quote:
Originally Posted by pilut2 View Post
Yikes!! I can't imagine what the rest of the innards looked like. This is my 20 year old pump.
The tolerance between the impeller blades and block is very tight on these engines. Just a little bearing play and they begin to contact and wear against the block. That's why the professionals keep saying not to use pumps with metal impellers, they will grind away the block instead of the blades.
Looks like yours was starting to have contact. Good call on replacing it. (Picture rotated and enlarged.)

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