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advice in this forum.]----
Linda and Scott,
I agree with Don Bown about not using sloshing compound. External
Pro-Seal also is not usually a good idea. The tank (whether fuselage or
wing) usually leaks because of internal corrosion caused by water pools
in the bottom rear that does not come out when you sump the tank. This
is due to the sump line fitting being slightly higher than the floor of
the tank. Sloshing or Pro-Seal does not repair corrosion, it just
covers it up, and it continues to corrode under the sloshing or
Pro-Seal. The other problem about sloshing is that it eventually begins
to come loose and plug fuel lines. As Don said, check the archives on
several lively discussions about sloshing. I also vote for a John
Wright Jr. tank repair. Your plane might be down for a few months, but
you'll have many years of trouble-free flying if you have it done properly.
Syd
scott wrote:
----[Please read http://ercoupers.com/disclaimer.htm before following any
advice in this forum.]----
Dove-tailing on Linda's query...
Has anyone used an external application pro-seal to stop a leak on a header
tank?
----- Original Message -----
From: "Linda Abrams" <[EMAIL PROTECTED]>
To: "Ercoupe Technical Discussion (moderated)" <[email protected]>
Sent: Friday, January 05, 2007 8:26 PM
Subject: [COUPERS-TECH] header tank repair
----[Please read http://ercoupers.com/disclaimer.htm before following any
advice in this forum.]----
Today I removed the (inop.) VOR instrument face, just to get a measurement
to see if one of the tiny round radios like Microair or Becker make, would
fit behind my panel.
It's a good thing I did, because right behind it was a wet section of
header
tank, right where the fuel line comes out. It wasn't wet enough to form
drips before evaporating, but when I wiped it off well, the shiny seepage
immediately traveled right back out from the edge of the riveted plate
that
surrounds where the fuel line comes out. The A&P (and my CFI) advised
against flying it, so I won't be flying out to Cable Air Fair tomorrow.
Fortunately, I've found a new, young A&P who, while he doesn't already
know
Ercoupes, has a great attitude and seems very willing to be instructed in
the Ercoupe's quirks. Also very willing to jump on this without making me
wait earthbound for 2 weeks like the part-timer-A&Ps had been doing. I
phoned our EOC wing leader, Gary Dallugge, who instructed the A&P on
removing the header tank and "sloshing" it.
Are there any tips or cautions that I should pass along from you gentlemen
to him, either for removing and replacing the header tank, or in the
procedure to seal its seepage?
Thank you!
Linda
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