Fuel tank return hose

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Jul 19, 2011
3
hunter 28 smith mountain lake
I have been having a problem with a leak in my return fuel line og my yanmar. I think it is building pressure. I removed the return hose off the tank and with a new hose trief to blow air into the tank. It seems blocked but I could not tell what the fitting is that goes into the tank (check valve?). Whatever it is it seems blocked. Any suggestions?
 
Oct 14, 2005
2,191
1983 Hunter H34 North East, MD
Squire...

check your tank vent outlet--spiders and mud daubbers like to build nests in the opening, which could lead to a build-up of back pressure in the tank, causing your leak as more fuel is returned to the tank than drawn off when running.
 
Jul 19, 2011
3
hunter 28 smith mountain lake
Re: Squire...

Thanks Dan, I will certainly try that and let you know. Thanks again.
 
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