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Replacing the PYI Bellow


Nov - Dec 2008

I had installed a PSS Shaft Seal (PYI) replacement for my cutlass during the haul out of 2000. 

That has been 8 years of of not one drip and zero maintenance.  Hats off the PYI group.  First class product.  So during the Haul Out of 2008, I decided to renew the bellow as a recommendation

from PYI as a 8 year update.  The picture below is an 8 year old PSS installed in a Pearson 35.

 

Related Web Pages on this site

Engine, Shaft Coupling & PYI

Stuffing Box

Prop & Shaft

 

These are pictures of the original installation of the PSS eight years ago.

 

Removing an 8 year old PSS

During the Nov-Dec 2008 Haul out I removed and updated the bellow and o-rings of the PSS. 1-C Clamps off, 2-The two sets of "set screws," come out, 3-slide the collar forward, slide the shaft back and the PSS bellow off, 4-reconfigure the replacement bellow with new set screws, c-clamps and o-rings, 5-install the shaft in the boat, 6-lube the shaft and slide the new PSS collar on, 7-secure the collar at the correct location (see video below), 8-Once boat is in the water, allow the bellow to fill with water via the shaft tube and then release the air.

 

Updating the O-Rings and Bellow

The update for the PSS is a new bellow, o-rings and set screws.  I pulled out he old o-rings, replaced them with the new supplied ones, removed the slide collar from the old billow and configured the new bellow.  I did polish up the facing collar to slide over the shaft.  Next the install in the boat.

 

 

Installing and Adjusting

The PSS was slipped on the shaft, double screw clamps on both ends, shaft lubricated and the end collar slipped on and then the coupler.  The coupler needs to be in place before securing the end collar with the set screws.

 

 

 

Installed with new bellow, o-rings, clamps and compressed 1/2"

 

 

Installation Manual

 

PYI Video below of how to install a PYI Drip less Cutlass Box

 

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