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  #11  
Old 10-18-2018, 08:26 AM
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kbalch kbalch is online now
 
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Quote:
Originally Posted by Kyle Boatright View Post
Just checking - how much torque were you applying? These fittings should be tightened, not bottomed out.
I was thinking this, too. I've never seen a properly installed fitting snapped like that.

Remember that NPT threads should always get some lubricant. I've used FuelLube (now called EZ Turn) for years with great success.
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  #12  
Old 10-18-2018, 08:48 AM
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To avoid galling use a steel fitting, alum-alum is bad juju.
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  #13  
Old 10-18-2018, 11:46 PM
didja didja is offline
 
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Quote:
Originally Posted by Walt View Post
To avoid galling use a steel fitting, alum-alum is bad juju.
Where does one get steel fittings for the fuel strainer? If there is a better way, I wanna do it! This aluminum fitting stuff is for the birds!!!
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  #14  
Old 10-18-2018, 11:51 PM
didja didja is offline
 
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So, after much consternation and hand wringing..... I was able to shop the local harbor freight aviation department and find the correct easy out and 3/8 NPT tap...… I finally got the threads fixed and even managed to run the square plug in through the fitting and it worked like a champ.

Now..... I have to wait for the replacement strainer so I can close everything up and then do the pressure test...….


Here is the threads after they have been tapped.....



Then I decided to test it with the square plug, which is the same size as the strainer...….


Square plug is installed with fuel proof sealant..... now just have to wait for the strainer and run it in!



What..... me worry?....

Again, thank you for all of your help! Always something new to learn in this project!
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  #15  
Old 10-19-2018, 08:58 AM
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Quote:
Originally Posted by didja View Post
Where does one get steel fittings for the fuel strainer? If there is a better way, I wanna do it! This aluminum fitting stuff is for the birds!!!
Didn't realize this fitting was "special" from Van's, looks like Van's just took an AN fitting and made it to accept a finger screen, shouldn't be hard to duplicate using a steel fitting. Worth the effort, maybe.
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EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
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RV7A built 2004, 1700+ hrs
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  #16  
Old 10-19-2018, 09:20 AM
lr172 lr172 is offline
 
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Often metal remnants from the male thread break off and lodge in the female threads. It is best to pick these out, if they exist, before you run the tap through to improve your chances.

Good luck.

Larry
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