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Dripless Shaft Seal Maintenance?
- Midnightsun
- CYO Supporter
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- Vessel Info: The Midnight Sun
2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
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Dripless Shaft Seal Maintenance?
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- Vessel Info: 1989 Carver 3807 Aft Cabin
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Re: Dripless Shaft Seal Maintenance?
If you have a slight leak the tube can be loosened, moved a fraction forward, then re-secured. Providing the seal is in good shape and free of cracks, this gives the seal a fresh shaft surface to seal against.
What type and brand do you have? If it's a Tides Marine lip seal assembly and it's not leaking, leave it alone. Hopefully you have a spare assembly already mounted on the shaft ahead of the log. This saves having to remove the shaft from the coupler should the current seal fail.
- Midnightsun
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2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
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Re: Dripless Shaft Seal Maintenance?
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- CYO Supporter
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Re: Dripless Shaft Seal Maintenance?
Do your water hoses go from the manifold on one engine, to that engine's shaft log, then jump to the other shaft log, then to the other engine's manifold?
- Midnightsun
- CYO Supporter
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2007 41CMY
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Re: Dripless Shaft Seal Maintenance?
Viper wrote:Source of the post They're likely Tides units, that's why I mentioned them. Do you have spare seals already mounted on the shafts?
Do your water hoses go from the manifold on one engine, to that engine's shaft log, then jump to the other shaft log, then to the other engine's manifold?
Like I said, I know nothing about them at this point so I will make sure I inspect and find the routing next time I go to the boat. Did not see any spare seals but then again I was not looking for them either. Will also look into that on the next trip out there.
Thanks for the input, much appreciated.
- Helmsman
- Commander
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Re: Dripless Shaft Seal Maintenance?
Midnightsun wrote:Source of the postViper wrote:Source of the post They're likely Tides units, that's why I mentioned them. Do you have spare seals already mounted on the shafts?
Do your water hoses go from the manifold on one engine, to that engine's shaft log, then jump to the other shaft log, then to the other engine's manifold?
Like I said, I know nothing about them at this point so I will make sure I inspect and find the routing next time I go to the boat. Did not see any spare seals but then again I was not looking for them either. Will also look into that on the next trip out there.
Thanks for the input, much appreciated.
I had to replace one of my Tides shaft seals last year so did both. While learning about them, I found a couple of things. If the shaft is “rough” it needs to be smoothed before re-installation. Adding a spare seal to the shaft is a no brainer. The boat should be pulled to do the work, though some brave souls have done it in the water.
Sometimes, “burping” the seal will remove trash that is creating the problem. If you search that on line, you will find the steps to take. Tides recommends those being replaced at six years, I think. Mine were at 11. But I agree with Viper. If it isn’t broke, don’t fix it.
- Midnightsun
- CYO Supporter
- Posts: 2838
- Joined: March 27th, 2016, 2:27 pm
- Vessel Info: The Midnight Sun
2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
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- Been thanked: 1095 times
Re: Dripless Shaft Seal Maintenance?
-
- CYO Supporter
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- Joined: July 10th, 2015, 9:58 pm
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Re: Dripless Shaft Seal Maintenance?
If you're going to replace them over the winter and don't have spares already on the shaft, I recommend doing that when it's warmer and not freezing cold. Also, NEVER insert the shaft into the new seal assembly without the insert tool or you can kiss the new seal goodbye. Look in your bilge for a round red plastic gizmo. If nobody removed it, one should have been left there by Carver. If you don't have one, ensure Tides includes it in your order, they are free of charge. You'll see what it looks like here....
https://www.tidesmarine.com/pdf/pricelist/PriceList_V8.pdf
BTW, if you want them quick and want to avoid shipping, customs, etc., contact Kawartha Propeller, they are local retailers and have a selection of sizes in stock. I don't recall which way is the cheapest route (Kawartha or Tides direct)
- Midnightsun
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2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
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Re: Dripless Shaft Seal Maintenance?
I see how easy it is if the spare seal is actually there.
Found this really helpful video which makes things very clear.
And another one with a cut away view.
- bud37
- Admiral
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Re: Dripless Shaft Seal Maintenance?
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