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  #11  
Old 01-27-2014
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Re: Dickinson Newport diesel heater - no fuel flow

Can you moderately pressurize the tank and see if anything 'pushes' through? Might be a way to clear an airlock. It wouldn't take a lot of pressure if there's no physical blockage.
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Re: Dickinson Newport diesel heater - no fuel flow

Not sure how I can do that, but worth a go.
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Re: Dickinson Newport diesel heater - no fuel flow

Check with the Po if possible to see what fuel he used. I remember something in the manual about adjusting for different viscosity fuel , diesel , kero, stove fuel etc.
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Re: Dickinson Newport diesel heater - no fuel flow

I would try a bit of kero I believe it is a bit thinner than D2. If stove fuel is thinner I might be tempted to try that. How much fuel is in the tank? If almost empty it might not work.

To create a bit of pressure you might try to see if an alcohol stove (pressurised) cap fits.

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Re: Dickinson Newport diesel heater - no fuel flow

No idea on the PO, however since the tank is full of diesel that I didn't put there, I can only assume that it was diesel before and continues to be so. If the flow rate out of the bottom of the metering valve is correct, then the fuel viscosity is correct as well. I'll double check the rate next time I am up there but as I said originally, it's in the right ballpark and it would only flow slower, not not at all.
It's all just odd. Only think I can think of is air is getting into the system somehow, that would not let the fuel level in the burner pipe rise above the point where the air was coming in correct? Maybe the seal on the metering valve is shot, fuel still flows through it but air comes in from the valve itself when open.
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Old 01-29-2014
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Re: Dickinson Newport diesel heater - no fuel flow

Not sure of your particular model but my experience with gravity feed burners has been condensation in the lines and carb, stuck needle and seat at the float and most common ,carbon buildup in the fuel port in the burner. It can go way in . a good reaming and blow out is the cure. Turning the stove too low at night is the cause. Lighter stove oil burns cleaner and will require carb float adjustment Carb should be on same fore/aft line as burner. I used to switch from summer diesel to winter stove mainly because engine ran on same day tank. ps inspect the temp cut off on the carb. If the PO it got too hot and melted the plug it won't work until replaced A pulse pump in line will do wonders

Last edited by Capt Len; 01-29-2014 at 06:02 AM.
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Old 01-30-2014
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Re: Dickinson Newport diesel heater - no fuel flow

Yeah, I'm thinking a teardown and cleanout might help.
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