Bob, I found a 3 way valve to replace the original. I ran the return line into the dipstick hole with a custom brass fitting wtih a tube going down into the tank so you can not get air in the system when the fluid goes the other way. I purchased a plastic resevoir from Oildyne with it's own filler cap. Flown 2 times and all appears to be working. I was going to wait until it get's warm to post my findings to the group... I used very tight stainless braid lines instead of the original rubber hoses and hardware. Yours may allow some flex where mine does not or much less anyway.
It appears that only some experience this. I would leave it alone if you have not had the system pressure symptoms that other have described. Randy.
marv@lancair.net wrote: Posted
for "Bob B." :
Randy,
Did you install a separate valve, or did you find a 3-way valve? How did
you tie the return line into the tank?
For reasons that I cannot understand, I have never seen this problem in 10
years of flight.
Bob Belshe
Moraga, CA
Lancair 235/320
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