[C320-list] Packing Replacement
alahlm at comcast.net
alahlm at comcast.net
Sat Feb 11 08:22:07 PST 2006
bill
I learn somthing new every day
thanks
Al Ahlman
#476
-------------- Original message --------------
From: John Van Vessem <jvanvessem at sbcglobal.net>
> Al,
>
> The packing rings go in the nut. See the cross section of the packing
> assembly in your manual.
>
> John (Sojourn645)
>
> alahlm at comcast.net wrote:
>
>
> Bill
>
> i think the packing goes twix the shaft and packing gland not in the nut.
>
> al ahlman
> #476
>
> -------------- Original message --------------
> From: Bill Culbertson
>
> > I've never tried changing packing while afloat but I've wondered about the
> > following approach. I'm curious what others think.
> >
> > Get some bicycle tire or car tire innertube material and 2 hose clamps. Wrap
> > the rubber a few turns around the aft end of the packing gland and hose clamp
> it
> > to the gland (easy on the tightness). Now put a loose hose clamp around the
> > shaft with a diameter set so that the packing nut can slip through it..
> >
> > Do the same prep you would do for an in-water change where you expect water
> > to come in. Now unlock and back off the packing gland nut. Once it comes free,
> > water gushes in. Slide the free nut (which contains the packing material all
> > the way to the transmission and slide the 2nd hose clamp toward the rubber
> > innertube and the packing gland. Get the clamp over the free end of the
> > innertube and tighten it up around the rubber thus clamping the rubber to the
> > shaft (easy on the tightness). It seems that you've now created a very poor
> > man's bellows ala PSI dripless shaft seal except that it only works with a
> shaft
> > which doesn't turn.
> >
> > Now you can take your sweet time to dig out the old packing from the nut which
> > is free of this whole innertube setup. You can work carefully with the nut
> > getting the new packing correctly installed with the gaps correctly staggered
> > without being hurried up by your sinking boat :).
> >
> > When the nut is all set, you reverse the process to get it installed.
> >
> > I live in the midwest and haul out each winter so replacing the packing while
> > ashore is no big deal assuming I know by spring that it needs doing from the
> > previous season.
> >
> > -bill
> > Harmony #859
> >
> > amshd2 at aol.com wrote:
> > Bryan
> >
> > I did mine in the water last spring. The key is to have everything ready and
> > close at hand, to include a shop vac and a couple of towels. You will get
> water
> > but use the towles to slow things down.
> >
> > I tried the GFO packing last season and it works great. What a differance. I
> > have a 94 model Hull# 30 with teh shollow blidge and teh GFO made a night and
> > day differance.
> >
> > Tony
> >
> > -----Original Message-----
> > From: Bryan Campbell
> > To: C320-List
> > Sent: Tue, 7 Feb 2006 09:57:52 -0600
> > Subject: RE: [C320-list] Packing Replacement
> >
> >
> > Did you install it with the boat in the water?
> >
> > -----Original Message-----
> > From: C320-List-bounces at catalina320.com
> > [mailto:C320-List-bounces at catalina320.com]On Behalf Of Robert E. Sloat
> > Sent: Monday, February 06, 2006 8:08 PM
> > To: C320-List
> > Subject: Re: [C320-list] Packing Replacement
> >
> >
> > Karl-I have the GFO packing that Bill refers to in the link installed in
> > hull #894 and it is the best $18 investment made on the boat. It is
> > basically dripless and takes only a few minutes to install.
> >
> > Packing
> > size for my boat is 1/4 inch even though my owner's manual says it is 3/16
> > inch. The
> > link tells you what size to use depending on the space between the shaft and
> > the inside of the stuffing box. I measured mine by unscrewing the gland nut
> > and finding
> > a drill size (1/4 ") that snuggly fit in the space between the shaft and the
> > stuffing box.
> >
> > ----- Original Message -----
> > From: "Bill Culbertson"
> > To: "C320-List" ;
> > Sent: Monday, February 06, 2006 4:29 PM
> > Subject: Re: [C320-list] Packing Replacement
> >
> >
> > > Karl,
> > >
> > > Order online from:
> > > http://www.e-marine-inc.com/products/gfopacking/packing.html
> > > Stay completely away from various stuff stocked in marine stores and
> > online at other sites with "gore" in the name. They are NOT the same thing.
> > I tried them, they don't work well. But this stuff is excellent.
> > >
> > > Also - MEASURE. Do not rely on what the manual says. Some folks on the
> > list have 3/16" packing - others have 1/4" packing. The manual says 3/16"
> > but mine (#859) is definitely 1/4". I got fooled and put in 3/16" one year.
> > It dripped unacceptably but more importantly when I removed it at the end of
> > the season to replace with something which performed better, I noticed the
> > ring cross-section was now rectangular instead of square. One dimension was
> > 1/4" and the other much less than 3/16".
> > >
> > > See the picture on the above link for what to measure. An excellent way
> > to do this that was suggested on this list is to (carefully) use drill bits.
> > Keep increasing the size until it won't fit. Don't scratch anything but the
> > drill bit is much more accurate than a ruler or tape measure.
> > >
> > > Bill Culbertson
> > > Harmony #859
> > >
> > > Chris Burti wrote:
> > > Repack with the Gortex. No drips and virtually
> > > impossible to wear out unless you over-tighten it.
> > >
> > > --- "Karl Mielenhausen _/) "
> > > wrote:
> > >
> > > >
> > > > I have about 560 hrs on the engine and what I assume
> > > > to be the original shaft packing material. At survey
> > > > (in Sept) I had a fair leak (30 drops/min at rest).
> > > > I was able to tighten the packing nut and now enjoy
> > > > a drop/min or less, with no warming detected during
> > > > running.
> > > >
> > > >
> > > >
> > > > For those of you who did not upgrade to a PSS seal,
> > > > any recommendations on how frequently the stock
> > > > packing material should be replaced? Was it Teflon
> > > > impregnated, like what is available today?
> > > >
> > > >
> > > >
> > > > Since we tend to haul every other year here for
> > > > bottom paint, so this spring would be the opportune
> > > > time to also address the packing.
> > > >
> > > >
> > > >
> > > > Thanks in advance for your wisdom(s)....
> > > >
> > > >
> > > >
> > > > Karl Mielenhausen
> > > >
> > > > 2000 C320 Hull#690 "Silver Lining"
> > > >
> > > > New Bern, NC
> > > >
> > > > _______________________________________________
> > > >
> > > >
> > > >
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> > >
> > >
> > > Chris Burti
> > > "Commitment"
> > > Catalina 320, #867,
> > > Farmville, NC
> > >
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>
>
> John Van Vessem
> Sojourn 645
> Vallejo Yacht Club
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