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Old 06-25-2018, 08:54 AM
pa38112 pa38112 is offline
Join Date: Mar 2008
Location: Clarksboro, NJ
Posts: 628

I just re-edited my original post with the following addition:

Edit 6/25/2018 - After a year in service I had a VERY difficult time removing the glascolator bowl for my condition inspection. So hard that I was going to go back to the standard Andair o-ring, but when I installed one it was so loose that it reminded me why I started this investigation to begin with. I ended up re-installing a 2.5mm X 36mm o-ring and used fuel lube to lubricate it. I will report back next year. I would not recommend installing this o-ring without lubricant and I can't say for sure if lubricant will fix the removal issue.
2004 RV6A Flying
2002 RV6A Flying
1978 PA38-112
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Old 06-25-2018, 01:01 PM
simpkinsona simpkinsona is offline
Join Date: Dec 2010
Location: Vacaville, CA
Posts: 142
Default Vacuum?

My fuel system is such that when the fuel selector is in the off position, the gascolator cover is basically locked on by vacuum. After finally figuring this out the gascolator cover is easy to remove. I use the original 2 by 39mm oring.

Andy Simpkinson
RV-9a Subaru engine.
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Old 08-04-2018, 07:15 AM
AirbusPilot AirbusPilot is offline
Join Date: Jul 2007
Location: Santiago, Chile
Posts: 446

Yesterday during anual inspection I broke my old original oring from Andair and I didnít have a spare one on hand, so I starter to find one here in local market (Santiago, Chile), the only one that I found was Viton 2mm x 38mm, I installed with boelube and made a vacuum test with my mouth and tongue and felt like no leaking at all. I hope the new oring make a good job, I have to make a 2 hours flight with my wife today and some more to visit family next week

Fernando Abasolo
Santiago Chile
SubSonex waiting for tailkit to arrive
Flying phase II RV-8 (SCSE) Serial Number 83290, Tail Number CC-AJC
Flying RV-8 (SCTB) Phase II 600 hours and counting since February 22nd 2010
Serial Number 82727, Tail Number CC-PXG
Lyc. IO-360, Hartzell Prop
VAF #2056
EAA Member 774981
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