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1. 04:56 PM - Re: Removing tank filler during rebuild (Tim Juhl)
2. 05:15 PM - Re: Re: Removing tank filler during rebuild (Paul Mulwitz)
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| Subject: | Re: Removing tank filler during rebuild |
Boy! Did I speak too soon. I finished the right wing and hauled the left into
my shop to begin the modification process yesterday. I used my trusty piece
of shaped oak to remove the fuel filler neck but could only get it to budge a
little. I tried everything I could think of to get it out with no avail. All
I succeeded in doing was breaking my tool and practicing some words I haven't
used in awhile. In the end, I used a hacksaw blade and cut it out (see pix).
Fortunately the threads in the fuel tank are salvageable so I asked Zenith
to send me the "Big Tap" when the sent me a new filler neck.
The other tank came apart without any trouble so I have no clue as to what caused
the problem with this one. Those darn aluminum to aluminum threads are a real
pain. I hope I never have to open the leading edge again!
Tim
--------
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Tearing wings apart for modification
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=330223#330223
Attachments:
http://forums.matronics.com//files/236a_446.jpg
Message 2
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| Subject: | Re: Removing tank filler during rebuild |
Hi Tim,
I didn't have to remove the neck from my fuel tanks. I screwed them
down and mounted the whole assembly under the skin. It worked out just
fine.
Aluminum is lousy material to thread and use threaded. In the case of
steel threads in aluminum engine heads you need to use anti-seize
compound to make the thread operation work. Rotax calls for a different
kind of goup, but the general idea is the same.
I've been working on the spar carry-through. I decided to learn how to
do solid riveting. It turns out it is child's play. My first 5/32
rivet set perfectly in a 2/4 aluminum bar and was just as nasty to
remove as the ones from the factory. I didn't have the right "Set" so I
ordered it from Spruce along with a few different sized rivets.
I decided to go this route because of the new row of rivets on top of
the carry through. I felt bolts would be a problem there for a couple
of reasons. The would be impossible to inspect and/or cause problems
for legs resting on the carry-through.
My heavy metal bars arrived today via UPS and I already have one of the
4 cut and loosely attached to the new assembly. So far it is just pilot
holes, but a little more work and it will be proper sized holes for
riveting.
Have fun,
Paul
On 2/8/2011 4:54 PM, Tim Juhl wrote:
> --> Zenith-List message posted by: "Tim Juhl"<juhl@avci.net>
>
> Boy! Did I speak too soon. I finished the right wing and hauled the left into
my shop to begin the modification process yesterday. I used my trusty piece
of shaped oak to remove the fuel filler neck but could only get it to budge
a little. I tried everything I could think of to get it out with no avail.
All I succeeded in doing was breaking my tool and practicing some words I haven't
used in awhile. In the end, I used a hacksaw blade and cut it out (see pix).
Fortunately the threads in the fuel tank are salvageable so I asked Zenith
to send me the "Big Tap" when the sent me a new filler neck.
>
> The other tank came apart without any trouble so I have no clue as to what caused
the problem with this one. Those darn aluminum to aluminum threads are a
real pain. I hope I never have to open the leading edge again!
>
> Tim
>
> --------
> ______________
> CFII
> Champ L16A flying
> Zodiac XL - Jabiru 3300A
> Tearing wings apart for modification
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=330223#330223
>
>
> Attachments:
>
> http://forums.matronics.com//files/236a_446.jpg
>
>
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