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Fuel drain fitting

 
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nowacklinden(at)gmx.de
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PostPosted: Tue Feb 27, 2018 8:26 am    Post subject: Fuel drain fitting Reply with quote

Hi,

Read the remark in the Newsletter about the Teflon band to tighten the
fuel drains.

So far I couldn`t get my tank drains tight for sh&t!!

Dry: dripping... A little eng oil for lubrication: dripping. BTW I
didn`dare to torque more than 15ftlbs.

Teflon band: Teflon being squeezed out of the threads when tightened,
dripping.

Used some German gunk made for oil pans : left tank: now tight, right
tank : dripping, gunk being washed out in flakes.

I was just about to try the teflon band again, when I read the warning.

A lengthy search gave me no local shop where I could buy the mentioned
Loctite 567. Only one Indian store at eBay`s promised delivery at
sometime from March 20th to end of April... for 30$ per 50ccm, about 1.5 oz.

Well, the Teflon is (chemically) not the problem, if Teflon wasn`t fuel
resistant, my Goodridge 600 Teflon / braided steel fuel lines would have
given me a hint. Its the band structure that makes it being cut apart to
tatters.

I remembered that I some time ago had used Teflon cord for water
fittings , and had liked it.

I looked around and found Loctite 55 - see pic- at the Female Warrior
online store.

You can see that the stuff seems to be a little fibrous, so, to avoid
fibers getting into the system, I plan to twist the cord and also to
let the first two rounds uncovered. Then just one cord following the
thread, thats it. So there should be no trouble there, and I hope it works.

I need to get some fuel out of the tank before I give it a go, I hate to
have more than, say, 1-2 usg in buckets in the hangar, so I have to go
and fly a little. Which was impossible so far this year with ceilings of
1000ft- for weeks and then a 10°F Force 5 wind from NE ( = Siberia!)
for the last week.

Friday they promise us freezing rain, then hopefully spring willl come
to icy Hessen. Then I will see. And keep you all informed.

If some of you know another way/ means to get the drains tight please
let me know.

Best regards from Germany

Gerd

D-EGFL, Kit 162, 55hrs, 75ldgs and still counting


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dwwilt



Joined: 06 Dec 2010
Posts: 185

PostPosted: Tue Feb 27, 2018 11:00 am    Post subject: Fuel drain fitting Reply with quote

Gerd,
Sorry about the fuel leakage problems. I have not had to deal with this issue, so hopefully someone out there has a simple answer. I also added Nick to this reply so he can chime in. Nice to hear from you, too bad about the weather.

Take care,

Dennis W. Wilt
N616DW (Arion Lightning S/N 132)


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n5pb(at)AOL.COM
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PostPosted: Thu Mar 08, 2018 6:56 pm    Post subject: Fuel drain fitting Reply with quote

Gerd,
Sounds like you are having fun with your fuel tanks.I know you'll get it figured out. thanks for the update.
I had a problem with one of my master cylinders. We had to re-build the cylinder (matco offers a re-build kit for about $6.00) I had them all replaced. Quite unnerving when rolling out and you have no brakes. Fortunately, it was on the pilot side only and I just happened to have Dennis Wilt with me in the pax seat and that side had braking. Another hangar flying story!
The wx sounds terrible; but we are having cold and freezing wx here in the states, even in Florida.
Hope you and Uli and family are doing well.
Bear
N82PB

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dwwilt



Joined: 06 Dec 2010
Posts: 185

PostPosted: Sun May 27, 2018 11:42 am    Post subject: Re: Fuel drain fitting Reply with quote

Gerd,

I just saw your post. I will forward it to Nick to see if he or Jason has an idea.

I almost never get the posts from Matronics sent to my e-mail anymore. I think they have a problem, but they have denied that they do.


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