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Old 14-11-2007, 06:26   #1
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Diesel lift pump

We have a 1975 Alberg 37 MK-II yawl. The fuel tank (about 40 gal) is located in the bilge, just forward of the engine compartment. The engine is a Phasor (Kubota) 4 cyl, 37.5 HP. The engine has a very small mechanical lift pump which will not reliably lift diesel about 40 inches (from the bottom of the tank to the injector pump location on the engine). We use a small NAPA style (Facet/Purolator) electric/electronic fuel pump. We have gone through several of these pumps, as they seem to work too hard to suck fuel out of the tank and burn out. We have been installing a small in-line fuel filter just before the pump so that the pump received relatively clean fuel. Part of the problem is probably a partially clogged filter, although the in line filter is changed quite often. I just cleaned the fuel tank (there was some sediment in the tank, but is clean now and should help).. Any thoughts on a suitable and reliable diesel lift pump??
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Old 14-11-2007, 09:21   #2
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What size filter are you using? A 30 micron would normally be the best choice.
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Old 14-11-2007, 10:46   #3
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Try this:

Walbro Marine Electric Fuel Pumps, 12v & 24v, FRB Series
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Old 14-11-2007, 11:19   #4
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I'll second walbro
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Old 14-11-2007, 18:15   #5
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What size filter are you using? A 30 micron would normally be the best choice.

Not sure what the small plastic "Frams" are - but am about to try a 15 micron Zinga spin-on filter. Will see how that works. What filter did you have in mind???
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Old 14-11-2007, 18:37   #6
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Forget those auto parts store pumps. Get a good marine pump like the Walbro.
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Old 14-11-2007, 19:02   #7
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Thanks all for the Walbro info - looks like the way to go. And they even have a built-in cleanable filter.
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Old 14-11-2007, 22:39   #8
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Rule are now making an inline Bilge pump that is also capable of pumping Diesel fuel.
iL200 Plus In-Line Submersible Pump 12V > Slimline In-Line Submersible Pumps > Pumps > Rule - ITT
This would be if you are requiring a transfer pump. No good if you are wanting a lift pump.
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