Put something on the shaft (between the collar and the coupling); e.g. a rubber 
hose cut to length and cut along.



Btw. Be careful; PYI says that you should not reuse the set screws. At least 
not the inner ones.

Btw 2. I have a retention collar with much beefier set screws. This would also 
help in compressing the bellows.



Marek

1994 c270

Ottawa, ON



Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10



From: Eric Frank via CnC-List<mailto:cnc-list@cnc-list.com>
Sent: Saturday, June 3, 2017 22:33
To: cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>
Cc: Eric Frank<mailto:efran...@mac.com>
Subject: Stus-List Advice for PYI shaft seal maintenance



For winterizing the PYI shaft seal on Cat's Paw, it was recommended that I 
loosen the SS collar on the prop shaft so the rubber bellows is not compressed. 
 I'm now trying to compress the bellows again before launching - PYI recommends 
compressing it about 3/4 inch.  It's difficult to compress the bellows and 
tighten the set screws at the same time, given the limited access to that area 
(under bilge and exhaust hoses).  Any suggestions for holding the bellows 
compressed temporarily while I tighten the set screws?

Eric Frank
Cat’s Paw, C&C 35 MkII
Mattapoisett, MA


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