[C38] [External] Re: Spinning water pump shaft and no spinning impeller
Charles Finn
charles at finn.ws
Fri Feb 4 12:43:47 EST 2022
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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