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Thanks for the replies! So, if I understand correctly, the "clean" section of the filter may indicate where an air pocket was in the separator. And this pocket existed while the motor operated for an extended period?
A 6 gal tank and a hose with a barb fitting are all that is upstream from the filter. I learned the hard way how full I had to keep the tank when I first installed it, while motor sailing at 11PM! I always thought the tank connections provided by Vetus were sub standard. However, I was under the impression that if you had any air in the line, the motor wouldn't function much longer, much less a "pocket" of air (with the exception of at least one model of Yanmar motor I know of) . Apparently that is not correct?
It will be interesting to see if that actually is sludge. I put the small tank in to keep the fuel fresh. I buy fuel from truck stops, thinking they have a lot more diesel turn over than a regular gas station. And, I've been using "Startron" for 6 years because the PO's did. It always sounded like snake oil to me, but I thought "well if it worked for them" (with a 20 gal) tank)..... According to Startron, the enzymes magically digest almost anything. Anyway, am I understanding the situation with the air pocket correctly?
Last edited by L124C; 11-27-2010 at 11:44 AM.