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Fuel feed issue - 12/6/2012 2:42 AM   
AMB


 

Posts: 6495
Joined: 6/10/2003
Last Login: 5/18/2013
From: winter park, FL, USA
Status: offline 		As you know getting my old minnie telemaster ready to go, put on outside table, had the TT10 Davis head, ran like a dream, next day decided to do a re check before flying engine starts on prime and dies.checked tank and lines (3) engine feed, fill line, that gets a plug and muffler pressure line that has a one way pressure fitting, swapped engines put in the OS 10 same issue. fuel feed fine put in cap on fill line, same issue, I pulled the muffler pressure line and tried to blow thru it no go almost no air got through it. turns out off course blocked with no air or exhaust pressure to tank impossible to draw fuel, pulled the one way pressure fitting off then connected line to tank and all is well martin
I was ready to pull tank and replace but no need now martin

no air in no fuel out (unless bladder of course)

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RE: Fuel feed issue - 12/6/2012 10:33 AM   
DerFly



Posts: 261
Joined: 3/11/2002
Last Login: 5/18/2013
From: sydney, AUSTRALIA
Status: offline 		Hi there,

Just wondering why one would use a one way valve in the pressure line anyway.

Just about guarantees an overly rich mixture when throttling back from full loud to idle.

YS uses pressurised tank but also fuel pressure regulator!

DF

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RE: Fuel feed issue - 12/6/2012 1:45 PM   
Hobbsy



Posts: 14553
Joined: 12/2/2001
Last Login: 5/18/2013
From: Colonial Beach, VA, USA
Status: online 		Exactly, a check valve in the exhaust requires a regulator, a check valve in the fuel line serves no purpose other than causing a problem.

_____________________________

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RE: Fuel feed issue - 12/6/2012 2:26 PM   
AMB


 

Posts: 6495
Joined: 6/10/2003
Last Login: 5/18/2013
From: winter park, FL, USA
Status: offline 		THX guys it was of course ,now history, ( removed) a classic case of overkill that went awary martin

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All Forums >> Glow Engines, Gas Engines, Fuel &amp; Mfg Support Forums >> Everything Diesel >> Fuel feed issue
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