Scott Hersha
Well Known Member
Hopefully someone here has a solution for my issue. The fuel inlet strainer on my MA-4-5 carburetor is leaking. I removed the strainer for inspection last month during my C I. I used a new copper A16-A48 gasket when I reassembled it. It wasn’t leaking right after the condition inspection, but yesterday after a flight I removed the cowling for another reason and found blue stains around the strainer/gasket area. I removed the strainer and installed another new gasket. I tested it with the boost pump, and was still leaking. I thought maybe I had installed the gasket backward because it is similar to a spark plug gasket With a smooth side with slightly rounded edges. Installing it the other way around didn’t stop the leak. Next I looked for info in the Marvel-Schebler O/H manual. It says that the strainer should be torqued to between 35-40 inch pounds. I know had tightened to a much higher torque than that. Well it still leaks with the correct torque, no matter which way the gasket is installed. I’ve gone through 3 gaskets - only bent the tabs on the first one, but I’ll run out if I don’t figure it pretty soon.
What am I doing wrong??
Thanks
What am I doing wrong??
Thanks