You would think, but I don't see it on their site, just the rubber one.

Besides, if they did, it would ruin their aftermarket for replacements!

 

Bill Coleman

C&C 39 

 

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Rich
Knowles
Sent: Thursday, November 14, 2013 9:57 AM
To: cnc-list@cnc-list.com
Subject: Re: Stus-List further questions about replacing the bellows on a
PYI shaft seal

 

PYI must have considered this..?

Rich


On Nov 14, 2013, at 10:43, "Bill Coleman" <colt...@verizon.net> wrote:

Has anyone ever seen a Silicone bellows, or similar that could be used for
this?

I am a big fan of silicone hose, and have seen short connectors on
powerboats with a pleat in the middle, but not multiple pleats. I have also
seen a picture of a silicone (I think) bellows on European boat.

 

Bill Coleman

C&C 39 <image001.gif>

 

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Jim Watts
Sent: Monday, November 11, 2013 11:24 AM
To: 1 CnC List
Subject: Re: Stus-List further questions about replacing the bellows on a
PYI shaft seal

 

The usual method is to use longer bolts in the coupler with a good solid
socket in the middle. As you tighten the coupler on the shaft up to the
other half the socket pushes the shaft out. If that doesn't work, it's
usually cut-off wheel time. 

A better penetrating oil than PB Blaster is a 50/50 mix of ATF (automatic
transmission fluid) and acetone. 

 

On 11 November 2013 07:44, Joel Aronson <joel.aron...@gmail.com> wrote:

Eric,

 

IF PB Blaster doesn't work, you might try heat on the coupler.  Get two pipe
wrenches - shaft and coupler.  Heat and twist.  

If that fails, use a gear puller or make one with a small piece of 1/4 inch
thick metal, drill holes to match the coupler and a threaded center hole for
a decent size bolt.  Bolt the plate to the coupler and use the center bolt
to push the shaft out.  

 

Joel

35/3

Annapolis

 

On Mon, Nov 11, 2013 at 10:23 AM, Eric Frank <efran...@mac.com> wrote:

Thanks to the list's advice last week about getting the bolts loose on the
universal to shaft coupling, I got them all out with an impact wrench.
Worked beautifully. But now I am stuck again getting the shaft coupling off
the prop shaft.  Removed the bolts that grip the coupling to the shaft and
also a square-headed bolt in the coupling that probably fits into a keyway
in the shaft, but I can't break the shaft loose from the coupling.  I tried
holding the coupling from turning with a pipe wrench and trying to turn the
prop shaft (by gripping the sacrificial zinc on the shaft with a big vice
grips so as not to damage the shaft itself), but it didn't budge.  And of
course I don't want to damage anything.

One possibility would be to slide the shaft as far aft as possible (since it
is disconnected from the universal and the SS PYI piece (that acts as the
bearing up against the bellows) that is on the shaft slides forward on the
shaft) and then get a small wheel puller on the coupling so it would push
the shaft out of the coupling.  I have no experience with wheel pullers but
it seems that it might work.

But I would really value input from the list about how to proceed.
Apparently the salt water leaking around the bellows this summer rusted the
coupler sufficiently that it is really stuck.

Eric Frank
Cat's Paw
C&C 35 Mk II
Mattapoisett, MA


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-- 
Joel 
301 541 8551 <tel:301%20541%208551>  


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-- 
Jim Watts
Paradigm Shift
C&C 35 Mk III
Victoria, BC

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