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Old 05-11-2015, 07:25   #1
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Siezed Propellor shaft

Hi Everyone
I recently took my 30' Silver Shadow out of the water for the winter and to repair the prop shaft. Recently the prop shaft stopped working while in the water. With the engine running I was unable to select forward or reverse gear. In doing so the engine would shut down and stop. While the boat was in the water there was no seawater dripping from the stern gland. After the boat was put on its trailer. I checked the prop shaft. While I was barely able to turn the prop shaft by hand and there was a crunching coming from the cutless bearing I'd like to know if it is possible for barnacles to find there way up the propshaft and seize it. I was told by a friend to pump diesel oil into the stern gland and this should free the shaft of any dirt or barnacles. Or could the shaft be bent.I would appreciate any advice or help that would be a solution to freeing the propshaft.
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Old 05-11-2015, 11:19   #2
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Re: Siezed Propellor shaft

The marine growth has likely frozen the shaft to the cutless bearing, which may even need to be replaced. Free it manually, not with your engine. This is the time to remove, clean and inspect the shaft for corrosion and straightness (by a pro). Also assure the stuffing box is not too tight.
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Old 08-11-2015, 12:40   #3
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Re: Siezed Propellor shaft

Quote:
Originally Posted by Terra Nova View Post
The marine growth has likely frozen the shaft to the cutless bearing, which may even need to be replaced. Free it manually, not with your engine. This is the time to remove, clean and inspect the shaft for corrosion and straightness (by a pro). Also assure the stuffing box is not too tight.

Ditto.


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