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430 Carver Diesel fuel transfer switches

DIESEL engine, transmission and generator repair and maintenance discussion forum.
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United States of America
ScubaPete
Scurvy Dog
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Posts: 9
Joined: July 9th, 2013, 5:05 pm
Vessel Info: 2002 Carver 406
Cummins 6BTA 330's
Location: Seaford, Virginia
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Re: 430 Carver Diesel fuel transfer switches

Postby ScubaPete » October 4th, 2017, 11:18 pm

km1125 wrote:Source of the post
With the switches setup this way, it is also possible to transfer fuel from one tank to another while underway? Let's say I have 50 gal in each tank but want to empty the AUX tank... can I put the supply for each engine on AUX and the return for port on PORT and the return for starboard on STARBOARD and effectively move all the fuel out of the AUX tank until it's empty? (well, almost empty of the engines would stall!)


I don't understand why your fuel tank selector switches are set up this way. With a diesel engine, a lot of fuel gets returned to the tank. You would probably quickly drain one tank, and possible overflow another tank if the return doesn't go right back into the same tank. My setup (2002 model) has just two switches, one for each engine. The input fuel line and the return fuel line both change at the same time, so I cannot overfill (and overflow out the vent into the water). I do have a separate fuel transfer pump to move fuel from port to starboard.

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Canada
nightsky
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Vessel Info: '94 Carver 390 cpmy
Location: Comox, BC
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Re: 430 Carver Diesel fuel transfer switches

Postby nightsky » October 5th, 2017, 12:36 pm

x2, if you haven't already figured it out, in that photo both engines are currently drawing from the auxiliary tank. Turning the handle down the engine will draw from its respective tank.

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