If your tap has a "PRI" this mod won't work for you. If your fuel tap has an "OFF" then it will
If you don't want the water trap, plug off the vacuum port with a chunk of hose n a bolt or, drill and tap the vacuum port to a 4 mm screw, put a gasket washer on the screw and use one of the diaphragms as a gasket and you're done.
So .... to make a water trap - Here it is (Imagine that black hose hanging down is clear.)
How i got to that point is I took off the back of the fuel tap (after removing the fuel tank)
Drilled off the top ring and separated the pieces of the diaphragm
- the arrow points to a round dot, that is the one way valve that is under the vacuum spigot. Use a wrench and take that out. Blow from diaphragm side to blow it out. While the spigot is out, drill a hole into the passage the spigot screws into. There is already a divot exactly where you want to drill. only drill through the first side of the passage, about 3/16" deep.
Then Take One of the two diaphragms and cut a passage to the bottom leaving the sealing surface alone. (doesn't need to be pretty, and you have a spare Gasket as the tap had two diaphragms)
Be sure to line up the slot you cut with the hole you drilled
re assemble except turn the spigot down, use the stock screws you took out. Leave the vented spacer plate and the spring on the bench. and make sure you're using the one gasket you cut with the slot lined up with the hole you drilled.
Be sure to plug off the vacuum line that no longer has a home ! ! ! !
Spring clamps are a great idea for the hose. Self tightening. And a clear hose is a nice touch. I'll get mine soon ish
You're DOne ( think Clear Hose There LOL)
Maybe i'm not the first one to post this idea, but, here it is anyhow
P.S Instead of the hose hanging down you could drill and tap the spigot to a 4 mm bolt and just seal it off, With a Oversize bit and drill , cut a small landing for a small o ring n done.