Quote:
Originally Posted by Vezo, Part II
I am not a fuel cell builder but before this site, and all of its combined knowledge, I had fuel issues. Narrowed down further forward of water separator, I removed screen at lower end of pick-up. Not the problem and probably not the best idea. Next, removed one way check valve at top of pick-up. Anti-siphon? Or pointed to North (to bow) ball will close check valve for sinking/dispensing fuel tanks?.?
Part II
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anti siphon valve:
it's a ball and a spring - negative pressure is required to un seat the ball allowing fuel to flow.negative pressure comes from the fuel pump
without the antisiphon valve,if a fuel leak develops after the fuel tank - fuel can and will continue to flow - siphon action.
when you see a collapsed primer ball - that shows a restriction on the fuel supply - 9 out of 10 times,the antisiphon valve is stuck,that causes the primer ball to collapse...