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Seal of saildrive |
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Axel
Commander Joined: 08 May 2016 Location: Ugljan/Croatia Status: Offline Points: 85 |
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Posted: 24 October 2019 at 09:48 |
Yesterday the mechanic found out, that we had water in the gearbox. He told us that it is common that the seal of the propellor shaft has to be changed after 3 years. It seems to me that this is a very short time.
The oil was white with seawater and he changed the seal (in german Simmering) Is this really a common problem? Greetings from Croatia Axel |
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Hanse 385 #434 Nyanga 2
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Sea-U
Commadore Joined: 14 September 2012 Location: Norway Status: Offline Points: 459 |
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As I have learned this is because of too much oil. The simmering gets blown out / destroyed.
Mine is fine after 11 years. Yanmar. Never any such problems on my previous Volvo either.
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Sea-U is a 370e #532 located SW Norway
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cptgood
Commadore Joined: 26 August 2016 Location: Tuscany - Italy Status: Offline Points: 409 |
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Unfortunately, you might have changed the seal and soon after water gets in due to a fishing line or something else caught along the way in the prop shaft.
Ther's no way to avoid it. Anyway, they told me that if you put the right oil the water will separate and remain in the low portion of the saildrive still ensuring a correct lubrication.
Edited by cptgood - 24 October 2019 at 10:05 |
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Hanse320 - Hull#127/08 - Wheel - ST headsail - Yanmar 3YM30 - SD20
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S&J
Admiral Joined: 30 August 2014 Location: Perth WA / Med Status: Offline Points: 1180 |
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I'm guessing that you have the Volvo D1-30 with the 130S saildrive? I think that changing this seal every 3 years is not routine.
My boat is now 5 years old and gearbox oil has been replaced each year and every time I throw away what looks like clean, new oil. I am lifting out for the winter next week and I'll be changing the oil again, but I wonder if this is something that could be done every alternate year? I do about 100 engine hours a year. Incidentally, the sterndrive uses the same oil as the engine. I change the oil when the boat is ashore as this is much easier than trying to do it in the water. However, unlike the Yanmar fitted to the 388, it is possible to extract the oil from inside the boat while afloat using a pump. I had this done in Sweden for the first 50Nm service and watched to see how much oil they got out.
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H458 #159 Primal Mediterranean cruising
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Axel
Commander Joined: 08 May 2016 Location: Ugljan/Croatia Status: Offline Points: 85 |
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Hello Stuart,
yes I have a Volvo d1 30 and a 130s saildrive. Our boat is of 2016. I have learned now that I check the oil regularly. When it gets white spots, the simmering has to be renewed. Boatneighbors told me that it had happened to a brand new Volvo. It seems as if there was a series of weak simmerings used by Volvo. In the moment we are back in the water and enjoy the nice weather here. Greetings Axel |
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Hanse 385 #434 Nyanga 2
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Brufan
Rear Admiral Joined: 16 December 2010 Location: Belgium Status: Offline Points: 629 |
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I have Volvo D1-30 & SD 130S since 2011.
The seals & simmering are stil the original ones. No problem so far; But I carry a spare kit of seals. just in case a fisching line breaks it.
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Bruno
hanse 355 - 57 S/Y Spicy Ginger White hull, 2 cabins, Volvo D1-30, Selden rig, removable mainsheet track system, Simrad (now B&G)-Jefa autopilot. |
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StavrosNZ
Rear Admiral Joined: 24 October 2014 Location: New Zealand Status: Offline Points: 556 |
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If you vent your saildrive gear case you will eliminate any differential pressure caused inside the box as its cools, its that pressure that draws sea water in past the seals.
A hose tail with hose lead high in the engine bay and small breather on top vents the gear case. See my other posts or use search function for many topics on this subject.
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Stephen
2010 H400 #691, Auckland, New Zealand |
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Gregor
Admiral Joined: 11 February 2006 Location: Netherlands Status: Offline Points: 1256 |
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in case you need to replace the seals, search my site for saildrive seal and you’ll find picture on how I replaced mine and also fixed the wearings on the shaft.
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Uisge Beatha
Currently sailing Dehler 36 JV (2002) Previous boat: Hanse 311 #80 http://www.uisge-beatha.eu |
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