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  #11  
Old 03-22-2013
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Re: Send packing the stuffing gland..

Quote:
Hi could you tell me please what type or name of the seal you have fitted.
Many thanks
Robert
I believe it's a PSS. Looks like it was installed many moons ago. Now i'm thinking i should take a serious look at it this spring. I've checked the surfaces, even in the water(water starts flooding in), and it seemed ok.
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Old 03-22-2013
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Re: Send packing the stuffing gland..

I had a PSS Shaft Seal installed on my boat in September 2012...I know its only been six months..but no issues so far. No leaks...I am aware of the concerns RE: catastrophic failure and researched before installing. Most seemed related to improper installation. During my research I encountered numerous posts/comments regarding individuals that have had them for upwards of 10 years without issue...maintenance is recommend after six years in which the bellows and other items should be replaced. PSS sells a maintenace kit for this as well...

Brian
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Old 03-22-2013
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Re: Send packing the stuffing gland..

I had a PSS put on 3 years ago and it has been perfect.
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  #14  
Old 03-22-2013
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Re: Send packing the stuffing gland..

Alex, the O rings are on the collar that turns against the carbon "seal" the only need replacement if the shaft is being pulled for things like a cutless bearing.
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Re: Send packing the stuffing gland..

denise, how do you know when the carbon seal is worn down to much? I check it; don't notice anything. Everything works great.
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Re: Send packing the stuffing gland..

I think it must last nearly forever Bene, I've not seen anything that looks like wear on mine yet.
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Re: Send packing the stuffing gland..

Now i'm starting to feel better. I have no idea how old mine is. It's amazing how water tight that seal is after having to deal with packing glands in the past.

Thanks Denise
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Old 03-22-2013
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Re: Send packing the stuffing gland..

She hasn't had issues in 5 years. That is how long PSS says that the o-rings will last.

On a properly aligned shaft the cutlass bearing will last >5 years. That is the main reason that you'd have to pull the shaft. If PSS O-rings last as long as cutlass bearings then there are no concerns. If replacing them is more frequent then there are incurred costs from using the PSS.

Pulling the shaft requires breaking apart the transmission and shaft flanges, and that can often lead to replacing the shaft flange. That is an annoying amount of work and another roughly $100.

I don't see a couple drops of water per minute to keep a stuffing box cool as an issue and can repack the stuffing box myself pretty easily, so this is the right tradeoff for me. For someone who is less mechanically inclined and willing to spend money the PSS might be the right way to go.
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Old 03-22-2013
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Re: Send packing the stuffing gland..

After replacing a shaft in 1988 and again in 1992, we replaced out Sabre 28's stuffing box with a PSS shaft seal. When we sold the boat in 2005, it was still going strong.

When we bought Victoria, I replaced the stuffing box in 2006 and have had no issues. It's maintenance free and easy to install. I check it each spring before launching and periodically throughout the season.

IMO, generally speaking, things just don't "give out", there are usually warning signs. Stuffing boxes have sunk their share of boats, so they are by no means "safer" than anything else. But to me, ANY drip is bad.... water belongs outside the boat.
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Old 03-22-2013
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Re: Send packing the stuffing gland..

We installed a PSS last summer. So far so good. The main thing to watch when you install is to make sure that the shaft is smooth and free of burrs that could cut the o-rings when you slide it on. I had some around the half moon key that holds the shaft and flange in alignment.
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