[C320-list] Dripless Packing Replacement
Robert Sloat
resloat at comcast.net
Fri Apr 11 19:57:47 PDT 2014
A note of a few years ago on GFO packing.
On Feb 6, 2006, at 8:08 PM, Robert E. Sloat <resloat at comcast.net> wrote:
> 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" <billculb_a2 at yahoo.com>
> To: "C320-List" <C320-List at catalina320.org>; <kmielen at iwon.com>
> 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 <cburti at yahoo.com> 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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Bob Sloat
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