Hallberg Rassy Rasmus 35

Hallberg Rassy Rasmus 35
An Old Classic

Friday, October 26, 2012

Engine Problem Solved

I finally found the cause of the dying engine.  I had an air leak on the fuel lift tube where the nylon tube connects to the aluminum fitting that screws onto the tank.  It was a newly replaced part.  It's crazy all the sub standard equipment being made.   I found it by unhooking the fuel line from the fuel tank (the other end goes into the Facet lift pump) and sticking that end in fresh clean fuel in a bucket and unhooked the fuel line going into the Racor fuel filter and sticking that in the same bucket of fuel (isolating the fuel pump).  I turned on my Facet fuel pump and watched for bubbles going up in the bucket of fuel.  No bubbles.  So then I  re attached the fuel hose to the fuel tank and turned on the Facet pump again isolating the tank fitting.  I got bubbles coming up in the bucket of fuel.  So, the leak has to be at the tank fitting because all of the fuel lines down stream of the Facet pump are pressurized meaning if I have a leak downstream of the Facet pump it will show up as fuel in the bilge, not air in the lines. I changed out the fuel lift tube assembly and the engine ran beautifully.  Boy has this little air leaked been frustrating.  This is my first engine installation and I knew I would make some mistakes.  Thankfully none of them have been catastrophic.  They have been very frustrating but I am learning a lot fast and that, in itself, will be worth it in the long haul.

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