[C320-list] Changing seawater pump impeller - how much water?

[Kurt Budelmann]

Martin,

This never happened to me.  As long as the freshwater intake under the aft 
bunk is closed only a cup of water has flowed out.


__
Kurt Budelmann
Everwind, Catalina 320, #1035


----- Original Message ----- 
From: "Martin Bayly" <mbayly at telus.net>
To: <C320-List at Catalina320.com>
Sent: Monday, April 20, 2009 1:36 PM
Subject: [C320-list] Changing seawater pump impeller - how much water?


> Decided to have a go at changing the impeller on the seawater pump for the
> cooling system on my Yanmar 3YM30 over the weekend.
>
>
>
> Loosened off the screws on the cover plate with a bowl underneath to catch
> the water.   But the water just kept coming, seemingly from the outflow 
> side
> of the pump (yes, I did have the inlet seawater cock off -checked about 3
> times!)
>
> So my question is, does anyone know how much seawater the heat exchange
> holds or is there something else I'm missing.   It seemed like there was 
> in
> excess of 8-9 litres (quarts) in there and that's when I gave up and put 
> it
> back together again, as it didn't seem to be showing any signs of abating.
>
>
>
> Cheers
>
> Martin
>
> Serendipity #1023
>
>
>