[C38] [External] Re: Spinning water pump shaft and no spinning impeller

[Charles Finn]

Wrong impeller!  I can see the key slot on your impeller shaft. The 
impeller in you picture is not the one for this engine.

Nice pictures!  It helps a lot.

Chuck Finn
Mighty Quinn  #114
Great Lakes

On 2/3/2022 6:26 PM, Pierre Patino wrote:
>
> Hmm
> The key is different for my impeller
>
> PXL_20220204_002254598.jpg
>
>
> I attached a short video too. Can anyone see it?
>
>
>
>
> yip.gif
>
> Hmmm
>
>
>
> On Thu, Feb 3, 2022 at 12:23 PM Bruce Liese <BLIESE at kumc.edu> wrote:
>
>
>
>     Bruce S. Liese
>     s/v Freudian Sloop III
>
>     ------------------------------------------------------------------------
>     *From:* Listserve <listserve-bounces at catalina38.org> on behalf of
>     Max soto <maxsoto at gmail.com>
>     *Sent:* Thursday, February 3, 2022 2:18 PM
>     *To:* Catalina 38 Listserve <listserve at catalina38.org>
>     *Subject:* [External] Re: [C38] Spinning water pump shaft and no
>     spinning impeller
>     Hi Pierre, sounds to me like it was just a bad impeller… That
>     might also happens if the pump is dry…
>     Years ago I replaced my impeller just for maintenance, and half an
>     hour later noticed some white smoke on the exhaust and no water
>     was coming out. Checked the impeller and there wasn’t a single
>     blade attached. Was totally destroyed. So… it happens 🤷🏻‍♂️
>     Regards,
>     Max Soto A.
>     +506-8312-1367
>     Alajuela, Costa Rica
>
>     > On Feb 3, 2022, at 12:12, Pierre Patino
>     <pierre.patino at gmail.com> wrote:
>     > 
>     > Hi All
>     >
>     > Five months ago I replaced the raw water pump and when I turned
>     on the engine after a couple of months of inactivity I noticed
>     that no water was coming out of the exhaust port.
>     > I concluded that the new impeller was not spinning.
>     > I opened up the pump cover and saw that the shaft was indeed
>     spinning but not the impeller.
>     >
>     > I replaced the impeller with an older one that I had saved from
>     a previous maintenance and this worked.
>     >
>     > Barring a manufacturing defect on the impeller's central keyed
>     ring, what else could be wrong? The pump shaft looks OK (visually).
>     >
>     > The impellers are not cheap for some reason.
>     >
>     > Thanks for your suggestions.
>     >
>     >
>     >
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