Author Topic: Leaky shaft seal?  (Read 6686 times)

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Offline Ericelgin1

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Leaky shaft seal?
« on: August 29, 2010, 08:18:59 PM »
My newly purchased 1984 18 foot skier has a leak in the shaft seal.....is this something that can be fixed easy?  I don't think that the shaft is bent; there is no shake when you run the boat.  The seal looks newer and has a water hose that feeds in to it from the motor.  Let me know your thoughts?
1984 18' Skier

Offline John Doerfler

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Re: Leaky shaft seal?
« Reply #1 on: August 29, 2010, 09:27:19 PM »
From what I have been taught there is supposed to be a slight drip in the seal.  Can anybody else confirm that?
John Doerfler

Offline Mike Harry

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Re: Leaky shaft seal?
« Reply #2 on: August 30, 2010, 05:02:02 AM »
Yes, but its supposed to be a drip every second or two, no more than that is really needed.

Offline RonT

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Re: Leaky shaft seal?
« Reply #3 on: August 30, 2010, 08:19:20 AM »
From your post it sounds like you have an aftermarket shaft seal if there is a hose running from the engine to the seal. These usually have a small diameter hose from the engine to cool the seal they use. When working properly these should not leak at all. The conventional teflon packing should have a slow drip and are simple and do not require additional plumbing.

Offline Ericelgin1

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Re: Leaky shaft seal?
« Reply #4 on: August 30, 2010, 07:49:48 PM »
Thank you guys for answering...i think Ron hit the nail on the head, do you think I would be better off to get the other style of seal?

I should also add that I skied behind it for the first time Sunday morning and it rocked!  Thanks again!
1984 18' Skier

Offline Ericelgin1

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Re: Leaky shaft seal?
« Reply #5 on: September 04, 2010, 11:27:45 PM »
The last 2 times I went out in the boat...........the damn thing stopped leaking. Which is rad!  Do you think it just needed some use?
 
1984 18' Skier

Offline Joel

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Re: Leaky shaft seal?
« Reply #6 on: September 07, 2010, 09:05:28 AM »
Was the boat out of water for a long period???  If the packing (inside the fitting) is made out of hemp or a similar material then the answer is yes...   Hemp dries out & shrinks and will leak until its been wet for a while and then it expands & fills in the space.  Its used often in wood boat building as caulk between planks, packing material for through hull fittings, etc...

Modern materials & better engineering have replaced it, but that may be why your shaft packing was leaking and has since stopped.
Joel - Columbus, OH - 1991 Advance