Shaft Seal Cruising Tips – On Deck
SHAFT SEAL SQUEALI was powering at low rpm when my wife asked, “What is that high-pitched sound?” I thought it was a belt, but when I went below and looked in the engine box all seemed fine. The noise seemed to be coming from behind the engine, so I lifted the small hatch over the PSS (Packless Sealing System) unit and found that the shaft, boot, and clamps were too






![Ted_Turner_April_1985-Bernard-Gotfryd-2048x Photo from Library of Congress, Prints & Photographs Division, photograph by Bernard Gotfryd, [Reproduction number e.g., LC-USZ62-12345]](https://s3.amazonaws.com/media.sailmagazine.com/wp-content/uploads/2026/05/06145433/Ted_Turner_April_1985-Bernard-Gotfryd-2048x.jpg?w=1024)






