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Old 08-15-2011, 02:51 PM   #2
Steve
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City: Thibodaux, Louisiana
Vessel Name: Gumbo
Vessel Model: 2003 Monk 36
Join Date: Oct 2007
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RE: Cummins 330B impeller

Maybe the metal gear or vane pumps need lubrication? Except for a centrifugal pump I don't remember seeing them in a non oil application.
Steve W.
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