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Old 01-21-2021, 08:57 AM   #18
sunchaser
Guru
 
City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,186
You've received some good comments and suggestions. Questions:
- Are all your fuel tanks below the fuel lift pump or is it just the day tank?
- Do you have a fuel manifold to isolate tanks?
- To which tank does fuel return go?
- Can you bypass the day tank?

It seems the fuel piping routing and tank locations are in question. Ideally, a vessel should be able to sit for a very long time with no fuel departing the system. Work arounds are OK, but assessing design flaws, construction gotchas and fixes may prove worthwhile.
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