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jhankin(at)planters.net
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 Posted: Thu Apr 13, 2006 5:28 am Post subject: Fuel Pump |
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On preflight yesterday I found a broken fuel line on my fuel pump. Mine is
the dual type with two outlets. It has two lines going in-to a y fitting,
one of these two short lines was ruptured. Question's are, can one side of
this outlet be stopped up, if so, how. Do these outlets come from the same
chamber of the fuel pump? I have as 447 with single carbs.
Ruptured line was not touching anything, hole was right in the middle of the
line. While priming with fuel bulb, I heard gas dripping, was not there day
before. Lines are about a year old. Gates premium lines. Have tried to
get boat fuel lines but cannot fine it in 1/4".
Jimmy Hankinson
912-863-7384
Firefly 035
JYL (Sylvania)
Pegasus Field (Home)
2000 Feet X 100 Feet- Grass
Rocky Ford, Georgia
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Eugene Zimmerman
Joined: 10 Jan 2006
Posts: 392
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| Posted: Thu Apr 13, 2006 7:52 am Post subject: Fuel Pump |
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On Apr 13, 2006, at 9:28 AM, Jimmy wrote:
| Quote: | Question's are, can one side of
this outlet be stopped up, if so, how. Do these outlets come from
the same
chamber of the fuel pump?
|
Yes, they come from the same chamber and one can be closed off with
no problem if not needed.
Bur please check out the rest of your fuel lines.
Only one year old fuel line problem seems to indicate there is some
kind of compatibility issue with fuel/oil mix you are using.
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Steve Boetto
Joined: 11 Jan 2006
Posts: 365
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| Posted: Thu Apr 13, 2006 11:54 am Post subject: Fuel Pump |
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In a message dated 4/13/06 8:29:39 AM Central Daylight Time,
jhankin(at)planters.net writes:
| Quote: | Gates premium lines. Have tried to
get boat fuel lines but cannot fine it in 1/4".
|
Jimmy, I did some reasearch on this last year, Gates line may breakdown over
time from the inside because it is not designed for oil mix fuel. At that
time I found some sources for marine grade outbourd line in all sizes. Problem
was that it was too stiff to kink and make the normal primer bypass that we all
use. I decided to go back to the extra thick urethane line like Rotax uses on
the fuel pump.
I think next time around I will use the marine grade for everything and the
clear stuff for the bypass line.
If you got a hole next to the fuel pump consider the fact that you my have
pinched it with the aileron arm during wing fold. Thetas what I did.
Try searching for "marine grade fuel line" if you want to use the boat
stuff. I think West Marine carries the right size. I think 1/4" is too small.
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