steve.freeman(at)syntaxds
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 Posted: Fri Oct 05, 2012 5:05 pm Post subject: re : Fuel line Questions |
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Hi List,
After much homework I found out a few things about this.
1) For the newer Lycoming engine the fuel pump has a proprietary part that fits the intake and outflow for the fuel pump. The part number is LW-16562. Good freaking luck finding this anywhere in the country. I must have spoken to 30 part houses and no one had any in stock. Quickest delivery time was 3 to 6 weeks. The price of this is $76. Pretty steep for what is essentially an AN fitting with a compression washer. Be warned though, regular AN fittings WILL NOT work.
2) Step in Van’s Aircraft. I was looking through their catalogue for something unrelated and ran across part umber KB-000 which is the EXACT same thing as the Lycoming part but sells for $5.00. It was in stock and shipped the same day. Some cool stuff in this catalogue. Not to be a ZAC traitor but this is a good thing to have on your shelf.
I wonder if I would have had any better luck simply talking to one of the A&P on the field where my project is coming together.
This was quite a lesson in the world of finding parts in the world of certified engines. Cost was crazy, many of the suppliers won’t even talk to you. But props need to go out to Poplar Grove Aviation (Poplar Grove Airmotive in Illinois. The phone number is 815 544 3471.) Kurt was amazingly helpful and finally found me the Lycoming part and was gracious enough to cancel the order after I was able to find it for $71 less dollars from Van’s. Steve from www.kitplanehoses.com was also incredibly helpful…and he deserves extra thanks.
I know it might seem like I am gushing. But you would not believe how much time I spent trying to find these. It was nuts.
Steve
From: owner-zenith-list-server(at)matronics.com (owner-zenith-list-server(at)matronics.com) [mailto:owner-zenith-list-server(at)matronics.com] ([email][mailto:owner-zenith-list-server(at)matronics.com][/email]) On Behalf Of Steven Freeeman
Sent: Monday, 1 October 2012 5:17 PM
To: zenith-list(at)matronics.com (zenith-list(at)matronics.com)
Subject: Fuel line Questions
Hi List,
I am trying to run fuel lines from firewall to mechanical fuel pump on my (new) 0235-N2C engine and I am running in to a couple of challenges. I am hoping you guys can help.
I am trying to use the nice aluminum AN connectors. One issue is the size that seems appropriate screws all the way and never really tightens until it gets to the very last thread. If you look at the pump where this connector goes it looks like it is machined to take some type of O ring or rubber grommet/gasket.
Also, the fitting for the hose would seem to “naturally” be for a ID of 3/8. Everything else in the ZAC world is for ¼” ID on the fuel hose and parts they supply. It seems to me I will need some type of step or step down to mate from the firewall connector to the fuel pump. Unless there is a AN connector that will fit in to the fuel pump that has a 1/5 in hose barb.
Does anyone (especially anyone flying behind an 0235) have any pictures of how their fuel lines connect to the fuel pump? Or do you have any suggestions for the proper AN parts?
I am having a lot of fun but it seems like I keep running into road blocks and gotchas!
Steve01234567890123456789012345678901234567890123456789
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