MEP-803a. Diesel sub-tank.

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mesias

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I'm considering that option... SS tube lines and compression fittings. I would even gain a spare fuel pump. My only concern is not having that built in tank in case the fuel in the sub base tank goes bad.
@Guyfang, Why would I need to move the fuel level switch if I reroute the fuel pickup line directly to the sub base tank? If I would use the master switch in the "PRIME & RUN" the machine wouldn't know the difference, right?
 

Guyfang

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The fuel level switch has TWO switches in it. The FL2 switch, is not needed if you just run the fuel pick up to the sub tank. But FL1, is the low fuel cut off switch. When the tank is almost dry, it cuts off the engine, to keep it in prime. Running an engine complacently out, is a pain to restart. Got to bleed it. I suppose, if you can live with it like that, then you don't need to move it. But after going to all the expence and trouble of making a sub tank, why not add the float switch?
 

OrthoGen

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Miami, FL
A local shop built a sub-base tank for my MEP-803, 100 gallons. Here is their information:

Engineered Manufacturing Corp.
3775 N.W. 81st Street
Miami, FL 33147
305-693-0089

I have the plans around, I need to find them and I can post them here. You can just increase the height if you need more capacity.

View attachment 801447
This is absolutely perfect and exactly what I'm looking for. Even better when it is located in town. It would be great if you could post the plans. Thanks again.
 
Last edited:

mesias

Member
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Location
South Florida
I just added the plans to post #17. I hope it helps...
BTW, I ditched the fill cap they use by default and purchased a Gates 31803 fill cap with a SS316 2.5" nipple.
In the drawings I added a plate on the left side to bolt on a pre-filter/water separator. You can keep it or just ignore it.
If you plan on not using the onboard tank, ask EMC to add another port of the switch as suggested Guyfang. In my case I don't really care since I'll have to monitor the tank constantly and I can live with that caveat.
 

OrthoGen

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Miami, FL
I just added the plans to post #17. I hope it helps...
BTW, I ditched the fill cap they use by default and purchased a Gates 31803 fill cap with a SS316 2.5" nipple.
In the drawings I added a plate on the left side to bolt on a pre-filter/water separator. You can keep it or just ignore it.
If you plan on not using the onboard tank, ask EMC to add another port of the switch as suggested Guyfang. In my case I don't really care since I'll have to monitor the tank constantly and I can live with that caveat.
Thanks again. Appreciate you including the plans. Will take the advice into consideration. I'm leaning on maintaining the onboard tank for the weekly starup and the monthly load test. Then keep the subtank 1/3 full for short emergencies and fill prior to large storms with high probabilities of affecting the area.
 

Zed254

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I use jerry cans for my 802 when camping. It's an option worth considering.......
 
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