Microns.. how low do you go? - Page 2 - SailNet Community
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post #11 of 17 Old 05-12-2009
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Quote:
Originally Posted by celenoglu View Post
HP is not important, nearly all diese engines use very similiar injectors that have nearly the same tubing for diesel passage.
I understand your point, but HP is very important, as will determine the diesel flow through the filter, so it's area and granular filtering. A trusted dealer should be knowledgeable to indicate what filtering system is more appropriated to your engine (size, rpm, temp, etc ...)

Nave Rara
Beneteau Oceanis 43
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post #12 of 17 Old 05-12-2009
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I just put a Racor on my boat for the first filter, IIRC it is a 10 or 20 micron, then the one on the motor is a 2 micron! This is how I understand,, and I operate with my (5)diesels for the ones with 2 inline filters.

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post #13 of 17 Old 05-13-2009
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Beta engines

A few years back I repowered with a Beta. At the time I was going to be very conservative and began to use 2 micron filters in my prefilter. After going thru 4 filters during a short trip up the Washington coast and ending up at midnight with no engine (clogged filter) and heavy seas, I asked Beta what they recommended. They use a 10 micron filter on their engine and recommend either a 10 or 30 micron prefilter. I now use a 10 AND prefilter the fuel in my tank with a fuel conditioner before any significant trips. The fuel conditioner is one I built using a top fuel dragster fuel pump (plenty of flow rate) and HUGE inline filter.


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post #14 of 17 Old 05-15-2009 Thread Starter
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Wow... turns out there is a 2m element for my #220 series filter. so now i'm torn on which to get the. R24T is 10m and R24S is 2m. The small spin on for the engine is only 10m. New tank is in and the engine is running again on clean fresh fuel!

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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post #15 of 17 Old 05-15-2009
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NEVER keep the tank full!!!! Especially if you only use a few gallons a year. A full tank means that the fuel is much older and has sat around growing microbes longer. It is fiction that condensation adds water to a diesel tank. If there is water in your tank it came from dirty fuel or a bad O-ring or some simular defect. Physics make it impossible for condensation to add a significant amount of water to a diesel tank. The Myth of Condensation in Fuel Tanks by David Pascoe: Boat Maintenance, Repairs and Troubleshooting

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post #16 of 17 Old 05-16-2009 Thread Starter
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haven't changed filters yet but my engine is most definitely running smoother! I"m guessing it has better fuel pressure since the pick strainer on the old tank was so badly gunked up.

Denise, Bristol PA, Oday 30. On Tidal Delaware River, Anchor Yacht Club.
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post #17 of 17 Old 05-16-2009
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Quote:
Originally Posted by MoonSailer View Post
. Physics make it impossible for condensation to add a significant amount of water to a diesel tank. The Myth of Condensation in Fuel Tanks by David Pascoe: Boat Maintenance, Repairs and Troubleshooting
I guess the key word here is significant. Any amount added is not good no matter what the "experts" say here on the internet.
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