I have done the same thing, learning the hard way...I use my centre fuel tank 
solely for my gen set..to use the centre tank I have to open and turn off the 
appropriate valves in the engine room, I have to make sure I have the cross 
over valve open for when I use the centre tank only.
I have a 42 dcmy 1979.
Monty. 

-----Original Message-----
From: [email protected] [mailto:[email protected]] On 
Behalf Of Bob S
Sent: April-09-10 8:53 AM
To: UnifliteWorld
Subject: [UnifliteWorld] Re: a picture for you

Cpt Perry,

I have 4 pulls on my diesel 42' and they correspond to the main fuel
feeds from 4 different fuel tanks.(Port, Stb, Aft, and Fwd)
I can use them to either shut off all fuel to the engines if needed
(never so far) or to determine which fuel tank I will use to feed the
engines. I have separate return valves as well allowing me to move
fuel around. That's the good part. The difficult part is the spaghetti
of a fuel system and valves below. If not set correctly I can drain or
overfill a tank very quickly.

I learned the latter the hard way...................

On Apr 6, 7:24 pm, "Perry & Cindi" <[email protected]> wrote:
> Hi,
> The emergency air intake would only have 2 handles if manual or two switches
> if it was solenoid activated. He has 3 handles one for each fuel tank, again
> I believe that is an emergency fuel shut offs which has nothing to do with
> the fuel manifold valves to manage your tanks for fuel distribution.
> That's all folks,
> Capt Perry
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
>
> On Behalf Of Den
> Sent: Saturday, April 03, 2010 4:10 AM
> To: UnifliteWorld
> Subject: [UnifliteWorld] Re: a picture for you
>
> Certainly look like ESD to me. But 3???
>
> Manual Emergency Shut Down, Cables go to the blowers, and snap a plate
> over the intake. Supposed to stop the engine if running away, but the
> engine could keep running on its crankcase oil if super high rpm.  I
> am trying to remember what the solenoid does. Hmmm I think the same
> thing. You have to jump down into the engine-room to reset this.
>     Yes there is a plumbers nightmare on the back bulkhead, because
> you must valve both supply, and return routes. If done by a single
> valve, it must be pretty fancy.
>
>   I picked up one of these on eBay for looking' where I don't fit or
> ain't supposed to be. It works like a champ if you get a USB
> extension, and have someone run the laptop.
>
>    "       USB digital microscope,video endoscope,webcam,magnifier   "
>
> den 48YF EAGLE densnet.net
>
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