[C320-list] Raw Water Intake Thru-Hull

[Jeff Hare]

Mine (#809) has 2 thru-hulls right in line with each other next to the raw
water strainer.

The Aft one is currently hooked up as raw water intake and has no external
strainer.  The forward one has a clam-shell like strainer over it but is not
currently in use.  I suppose it could be used for AC, or an alternate engine
input if the main got clogged.

While an external screen could help keep some junk out of the intake, if it
does get clogged (and that's still very likely), you're really hosed since
you can't unplug it with a simple dowel without a lot of work.

I make sure that the intake hose is easy to remove from the thru-hull by
loosening the clamp and making sure it's not frozen in place each spring.

Then when I do have to undo a clog, I simply close the thru-hull, pull the
hose, wrap a cloth around the thru-hull, feed a length of wooden dowel into
the thru-hull, open it up, jam the dowel down to clear the clog and
reassemble.   The cloth will keep almost all the water out of the boat.
With an external cover, that wouldn't work anymore.

I've been thinking about how to use an bronze or Marelon Elbow (sweeping
arc, not tight 90) with a straight line cleanout so that I don't have to
remove the hose from the thru-hull to clear out a clog.  IF the right
solution presents itself, I'll go for it.. :)

-JeffH

-----Original Message-----
From: c320-list-bounces at catalina320.com
[mailto:c320-list-bounces at catalina320.com] On Behalf Of
Orlando.Duran at AveryDennison.com
Sent: Monday, December 17, 2007 4:46 PM
To: C320-List
Subject: Re: [C320-list] Raw Water Intake Thru-Hull

As far as I know, no 320 has strainer plate or mesh screen on the outside
of the hull....


                                                                          
             mike hunter                                                  
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             12/17/2007 01:40         Thru-Hull                           
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Hello,

Are 320's supposed to have a mesh screen or strainer plate covering the
raw water intake thru-hull hole (attached to the hull)?  Mine does not.  I
had to clean my inline strainer twice while coming into the marina on
Saturday due to chewed up kelp.  I'm usually happy for any reason to stay
out longer, but it's tough to keep smilin' when the engine stops
spittin'...

Thanks!



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