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Vintage Diesel and Oil Engines Fairbanks Morse, Lister, Petter, Witte and other pump injected Diesel oil engines.

Vintage Diesel and Oil Engines

Ruston Fuel Pump


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  #1  
Old 12-30-2017, 06:49:47 PM
rustongreen rustongreen is offline
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Default Ruston Fuel Pump

I know that there are no dumb questions but Iím not sure what I want to do will work. Does anyone know what the maximum lift a Ruston fuel pump is? Iím hoping it will lift 30 inches or am I dreaming?
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Old 12-31-2017, 11:47:23 PM
con-rad con-rad is offline
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Default Re: Ruston Fuel Pump

From what little that i've gathered about the 7XHR that we're restoring, it seems like they should be gravity fed. However, i know of a much smaller Ruston that is fed from a fuel tank about 2 feet below the injection pump. That engine has a squeeze-bulb pump in the inlet line for manual priming to make sure that the IP has fuel before starting.

connor
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Old 01-05-2018, 03:19:15 PM
rustongreen rustongreen is offline
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Default Re: Ruston Fuel Pump

Ok, I’m hoping a inline swing check will work for my situation. I could move the tank from where I have it now but i put it in a spot that looks neat and out of the way.
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Old 01-13-2018, 02:08:08 PM
ruston3w ruston3w is offline
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Default Re: Ruston Fuel Pump

I'm afraid you will find your engine will be unhappy if the fuel level is not above the pump, arrangement drawings specify fuel level varying for different models but i'm sure all will be gravity fed. I have a 9xhrce (twin, electric wheel) and if the fuel tank gets down below the fuel distributor (twin) it will not run.
Richard.
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Old 01-13-2018, 07:54:14 PM
Rob Charles Rob Charles is offline
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Default Re: Ruston Fuel Pump

I have a 6HR series Ruston which my granddad installed in my machine shop. It has an additional pump/tank and I imagine a float to maintain the level mounted to the adjacent wall. it's above the pump on the engine to gravity feed it.Fuel supply came from a buried oil tank outside. Rob
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Old 01-14-2018, 12:44:07 AM
rustongreen rustongreen is offline
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Default Re: Ruston Fuel Pump

That’s why I’m hoping a ball check or even a swing check valve will work, gas engines use check valves so I’m hoping that works too.
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Old 01-14-2018, 07:05:16 PM
con-rad con-rad is offline
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Default Re: Ruston Fuel Pump

I don't see how a check valve will do anything, the fuel level still apparently needs to be above the injection pump to gravity feed in. if the pump is able to draw the fuel up from a low tank, an inline check would help keep prime, however. That is essentially how the set up was for the smaller Ruston i referred to, since the squeeze bulb has two check valves inside it.

connor
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Old 01-14-2018, 07:57:22 PM
haywaj haywaj is offline
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Default Re: Ruston Fuel Pump

I have installed a fuel tank on my Ruston that I made from an old fire extinguisher. Tried to keep it on the same level as the pump. Works well.
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