groucho
Well Known Member
VAF-
It's been a while everyone. Sadly, I haven't been flying my -6 much. It only got 50 hours in it last year. I'm now trying to fly it more, but I'm running into a fuel pressure problem.
On a recent flight, my fuel pressure slowly dropped to about 1.2psi using just the mechanical fuel pump. Thankfully I was close to home & my electric pump worked fine. I figured the mechanical fuel pump was bad, so I installed a new one. I ground tested the fuel pressure with the new pump, but the fuel pressure looks about the same. I haven't checked gravity fuel flow rates of the lines lately & I haven't done anything in the carb.
My -6 has an O-360 with a Facet A-4-5 carb. Before I tear into it, I'm curious how the filter is positioned in relation to the fuel pressure hookup. Would a clogged filter in the carb show me low fuel pressure (i.e. is the filter before the fuel pressure line)?
Here's a photo of back left of the carb. The left-most line in the photo is the main fuel line. The top two are fuel pressure & a return line. I pulled the fuel line off, but can't get to the filter without removing my exhaust. Before I did that, I figured I'd ask if that filter is a likely suspect.
Thanks everybody!
It's been a while everyone. Sadly, I haven't been flying my -6 much. It only got 50 hours in it last year. I'm now trying to fly it more, but I'm running into a fuel pressure problem.
On a recent flight, my fuel pressure slowly dropped to about 1.2psi using just the mechanical fuel pump. Thankfully I was close to home & my electric pump worked fine. I figured the mechanical fuel pump was bad, so I installed a new one. I ground tested the fuel pressure with the new pump, but the fuel pressure looks about the same. I haven't checked gravity fuel flow rates of the lines lately & I haven't done anything in the carb.
My -6 has an O-360 with a Facet A-4-5 carb. Before I tear into it, I'm curious how the filter is positioned in relation to the fuel pressure hookup. Would a clogged filter in the carb show me low fuel pressure (i.e. is the filter before the fuel pressure line)?
Here's a photo of back left of the carb. The left-most line in the photo is the main fuel line. The top two are fuel pressure & a return line. I pulled the fuel line off, but can't get to the filter without removing my exhaust. Before I did that, I figured I'd ask if that filter is a likely suspect.
![20090925_901jh_carb_002_small.jpg](/community/proxy.php?image=http%3A%2F%2Fthedukes.org%2Frv%2Fpix%2F20090925_901jh_carb_002_small.jpg&hash=1ad0f8e52591d98914631e7aba450342)
Thanks everybody!