[C320-list] Jabsco Head replacement

[pat reynolds]

West Marine usually does not want the old back as there is nothing they can do with it.  In my experience with both a bent whisker pole and a ac portable unit they just took my word for it and sent a new one.  Doesn't hurt to call.

--- On Mon, 6/15/09, Scott Thompson <surprise at thompson87.com> wrote:

> From: Scott Thompson <surprise at thompson87.com>
> Subject: Re: [C320-list] Jabsco Head replacement
> To: C320-List at Catalina320.com
> Date: Monday, June 15, 2009, 9:16 AM
> I lugged the new head to the dinghy,
> motored to the mooring, transfered the head to the deck and
> went on board.  I took the new head out of the
> box.  removed all plumbing from old head. 
> uninstalled it.  put it in the box for the new
> head.  put the box in the dinghy.  removed the
> flush hose from the new head so that it would be ready for
> the pre-installed plumbing.  removed the waste elbow
> mounting flange and joker valve. picked up the new head and
> put it in place, ready to bolt down.
> 
> Only then did I notice that the new bowl was cracked all
> the way through in four places.
> 
> Wish I had checked it before leaving WM!  They
> probably dropped it in shipping.  Lesson learned.
> 
> In the end I reinstalled the old head but used the new pump
> assembly. Life is too short to try to return the broken
> head, which didn't cost me any more than the usual price for
> the pump.
> 
> Scott
> 
> Julian Elliott wrote:
> > I am in the process this weekend of replacing the
> head; as mentioned a
> > plug-compatible, easy venture.  Mounting is 1"
> 5/16 lag screws through
> > fiberglass and into woood (which I assume is a block
> under the raised
> > platform on which the head sits.)  One gotcha: my
> base leak permeated down
> > into the wood and corroded one lag bolt, leaving the
> metal tip in the hole.
> >  This turns the project into a 2 weekender, as I
> forgot my drill.  I'm also
> > considering stepping up to 1 1/2" lag screws to ensure
> I get thru any
> > damaged wood.  There seems plenty of clearance to
> avoid breaching the hull!
> > 
> > Julian
> > Polaris 340
> > 
> > 
> > On Sat, 13 Jun 2009 18:37:25 -0400, djgleason1 <djgleason1 at juno.com>
> wrote:
> >> Scott:
> >> 
> >> I replaced the head on Proud Mary, #150 last
> summer while on a cruise. The Jabsco was an exact fit
> replacement.  As best as I can recall, the
> >> base is screwed to thick fiberglass.  There
> are no parts to lose.
> >> 
> >> Dave Gleason        
> >> On Sat, 13 Jun 2009 17:57:00 -0400 Scott Thompson
> >> <surprise at thompson87.com>
> writes:
> >>> I managed to crack the pump assembly while
> overhauling it today.  WM is running a sale on the
> latest version of the Jabsco Compact Manual head, which
> appears to be a drop-in replacement for the one that came on
> Surprise, and which costs only a few dollars more than the
> pump assembly, which isn't in stock anyhow.  So I
> bought one.  Wish I had 
> >>> done that first!
> >>> 
> >>> It appears to be a simple case of unbolt the
> old one and bolt on the new one.  Dimensions are
> identical.
> >>> 
> >>> However, I am reluctant to unbolt the old one
> without a better understand of how it is attached.  I
> don't see any way to get at the 
> >>> back of the fiberglass unit to which it is
> bolted.
> >>> 
> >>> Can anyone who has removed their original head
> tell me how they are 
> >>> attached?  I'm hoping there are attached
> nuts or threaded plates, or 
> >>> maybe it's just mounted via lag bolts into a
> wooden framework.  If there are loose nuts on the
> backing then I have a problem.
> >>> 
> >>> 
> >>> 
> 
> -- Scott Thompson
> Surprise, #653
>