I bought a 48 L Diablo series tank, actually the tank is a multi-purpose tank suitable also for water or waste and the hatch is packaged separately. The hatch is different for each purpose and for the fuel tank you get these parts:
The tank itself is white and looks like this:
I didn't get any installation instructions with the tank or the hatch so I downloaded those from the Nuova Rade's web site. I was a little surprised that the instructions were quite limited and didn't provide much details about what parts goes where.
I want to fill this tank in the same way as you fill a portable tank (just open the fuel cap and feed fuel directly to the tank). For my intended use I noticed two problems with the hatch, the first problem is that there are six holes and you get only four normal caps, one hollow cap is used to connect the fuel hose, this leaves one open hole.
The second problem is that the cap that covers the biggest hole (fuel input) is quite hard to turn and it does not have any "breathing" functionality.
For 48L tank you need to cut the black pipe in half in order make outbound fuel delivery line, fortunately there is already a mark where to cut it. The other black pipe is extra (maybe meant for diesel engines in order to pump diesel back to tank ?).
One mid-sized hollow cap was extra so I decided to use it to cover the sixth hole,
I noticed that you can put a quarter dollar there and with one O-ring it makes a perfect seal! ;)
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| A quarter dollar coin was used to seal extra hole. |
In order to make the tank "breath" I drilled a couple of small holes to one of the smallest caps, this seemed to to work but on the water I noticed that some fuel was spilling out when the boat swang/jumped in the waves. The largest cap has 1½" threads and after lots of searching I found a perfect replacement cap from Plastimo, it also has an air screw!
Now the setup was complete and it has been working very well, I even installed a fuel sensor and a Wema fuel gauge. I never installed the red locking pin.
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| Plastimo cap allowed the tank to get replacement air. |
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ReplyDeleteHi SelvaTuner. I have an identical setup with a 82L tank.
ReplyDeleteBut it is leaking from the plate, so I was wondering where you installed the large O-ring/seal? Horizontally on the inside above the threads or vertically on the outside, so it seals towards the tank itself?
I don't understand how to connect the 10mm 90° pipe to the black pipe for the fuel delivery line.
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