PSS Packless Shaft Seal |
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Keith
Admin Group Owner / Operator of CorrectCraftFan.com Joined: October-20-2003 Location: Pepperell, MA Status: Offline Points: 1917 |
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Posted: July-26-2005 at 1:28pm |
As many of you know, I recently purchased a replacement for my '79 Mustang. My new boat came with lots of extras and recent upgrades including a PSS Packless Shaft Seal. This completely water tight, maintenance-free shaft seal might and be one of the greatest inventions for the inboard boat owner.
Read my complete review |
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Rodney Brown
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Dripless packing are a great innovation. There is a problem with them however. If your boat has to be towed, the shaft and prop have to be secured to prevent them from spinning. If the shaft and prop spin without cooling water, the packing will be ruined.
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Keith
Admin Group Owner / Operator of CorrectCraftFan.com Joined: October-20-2003 Location: Pepperell, MA Status: Offline Points: 1917 |
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Actually, the PSS Shaft Seal doesn't need additional water when operating below 12 knots (14 mph). At slow speeds, the water pressure is enough to lubricate the shaft. Since you are typically towed at only about 5 mph, there would be no issue.
In addition, I have heard of many people using the PSS Shaft Seal without hooking up the additional water supply at all. They use them for years a high speeds with no issues. -Keith |
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SS 201
Senior Member Joined: October-20-2003 Location: United States Status: Offline Points: 232 |
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Glen L Marine sells them only with a double seal and thye have to be water fed. Singles seals are no longer aviable.
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dchris17
Gold Member Joined: May-28-2005 Location: Weatherford, TX Status: Offline Points: 573 |
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Does anyone know anything about the Johnson Propellor's OJ Dripless Shaft Seal? It's $50 less than the PSS shaft seal. Are they really comparable products?
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79nautique
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I installed one on mine this year and have had no issues and love not having to run the bilge all of the time. Well worth the 100 bucks I spent to get it.
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surroundsound64
Senior Member Joined: June-22-2005 Location: United States Status: Offline Points: 151 |
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1981 Ski Nautique
2000 SAN Looking for a 2000-2006 SAN |
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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I would have to look at the instructions again to see who the actual manufacturer is. Mine is what every Rinker Boats use as a supplier. It look's exactly like the PSS but with a different colored rubber tube. Most of the parts I buy are through them, my neighbor is in charge of all purchasing activities so i get them at cost plus tax. For instance both battery cables cost my 20 bucks total, yes marine grade. an ACME prop was 250, the shaft sell was 100
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88skisupreme
Groupie Joined: September-13-2004 Location: United States Status: Offline Points: 50 |
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It seems like the GFO packing has made this upgrade obsolete. Or is there still an advantage to changing the whole thing out?
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dchris17
Gold Member Joined: May-28-2005 Location: Weatherford, TX Status: Offline Points: 573 |
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What's the GFO packing? Is that for the newer boats?
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88skisupreme
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its supposed to replace the regualar packing but can be tightened to dripless without overheating, I think there are a few treads about it.
I just changed mine but the local shop only had teflon packing so I used that, I'll try the GFO next time. |
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jon4pres
Senior Member Joined: September-19-2005 Location: United States Status: Offline Points: 275 |
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This is my first post just wanted to say that this is an amazing site. I could not believe it when i found the Engine manuals for my boat.
What size packing do I need for an 82 3/16 or 1/4? |
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jameski
Senior Member Joined: May-18-2004 Location: United States Status: Offline Points: 368 |
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jon4pres,
When I replaced mine, I measured clearance and it seemed closest to 1/4" - so that's what I ordered. My supplier sent 3/16", so I used it anyway. The 3/16" was still a pain to cram in the cap and it sealed GREAT! I recommend the 3/16". |
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Tim
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Are these dripless packing seals very hard to install on a v-drive? I have an SV-211 that leaks, and it seems almost impossible to get to the packing gland.
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hawkeye
Newbie Joined: February-22-2006 Status: Offline Points: 5 |
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It is quite a bit more difficult to install packing on V-Drives.
If I were doing the V-drive i'd first measure the amount of available drive shaft you have to work with. I know the OJ shaft seal is not as long as the PSS and is easier to install on the V-Drive, as there tends to be a tunnel the prop shaft goes through on its way forwards, the OJ gives you more clearance. http://www.tmcowners.com/teamtalk/showthread.php?t=6759 give this link a try |
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dchatagnon
Newbie Joined: April-18-2006 Location: France Status: Offline Points: 5 |
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hello, I have just installed one also.
Before to go on the water, I would like to be sure that everything is correct. Can you please let me know how much did you compress the below? PSS installation guide says 0,8'' for a 1'' diameter... but, after compressed the below for 0,9'' I can still move the carbon flange from the rotor backward with my hands. Is this normal? Hope no water will enter the bilge... thanks in advance for your help. |
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