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11-02-2016, 10:58 PM
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Join Date: Sep 2014
Location: vancouver canada
Posts: 114
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Andair Fuel Valve
I have the Andair fuel valve. First attempt to run fuel through it and it leaked at both inlets. Sort of surprised so pulled it out to check tightness of allen head screws which secure the inlets. nest the allen key in nice and tight, snug up a bit and the head strips---rounds out and key is now turning. OK remove it since the valve comes with a few spares. Same thing happens with next 2 screws. Not really very tight and key turns in the head. Check the allen key, nice and sharp, no damage. Abit cheesed off, anyone run into this????
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11-03-2016, 02:32 AM
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Join Date: Sep 2007
Location: BC
Posts: 1,673
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Hi Gary,
Yes I have run into this problem trying to solve a leak. Some screws I was able to get out by hammering a torx screw driver into the damaged screw. This only worked a few times until the torx bit was damaged causing more damage to the screw.
The remaining screws were removed with a more drastic approach. I carefully made slots in the screws with a very small dremel tool in order to get a slotted screwdriver on them.
After the ports were removed, I lubed the O-rings with grease then reinstalled the ports with torx head screws (available from Andair).
So far, no more leaks.
BTW, the O-rings and the allen/torx screws are metric. I was not able to find them locally.
Bevan
__________________
RV7A Flying since 2015
O-360-A1F6 (parallel valve) 180HP
Dual P-mags
Precision F.I. with AP purge valve
Vinyl Wrapped Exterior
Grand Rapids EFIS
Located in western Canada
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11-03-2016, 02:05 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Andair ports
Quote:
Originally Posted by Bevan
Hi Gary,
Yes I have run into this problem trying to solve a leak. Some screws I was able to get out by hammering a torx screw driver into the damaged screw. This only worked a few times until the torx bit was damaged causing more damage to the screw.
The remaining screws were removed with a more drastic approach. I carefully made slots in the screws with a very small dremel tool in order to get a slotted screwdriver on them.
After the ports were removed, I lubed the O-rings with grease then reinstalled the ports with torx head screws (available from Andair).
So far, no more leaks.
BTW, the O-rings and the allen/torx screws are metric. I was not able to find them locally.
Bevan
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Got my ports out and lubed.
Anyone have a photo of the valve mounted in the F-983A plate?
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
Last edited by wirejock : 11-03-2016 at 02:09 PM.
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11-03-2016, 03:17 PM
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Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 2,183
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Quote:
Originally Posted by wirejock
Got my ports out and lubed.
Anyone have a photo of the valve mounted in the F-983A plate?
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Larry,
Does this help?
__________________
Ray
RV-7A - Slider - N495KL - First flt 27 Jan 17
O-360-A4M w/ AFP FM-150 FI, Dual PMags, Vetterman Trombone Exh, SkyTech starter, BandC Alt (PP failed after 226 hrs)
Catto 3 blade NLE, FlightLines Interior, James cowl, plenum & intake, Anti-Splat -14 seat mod and nose gear support
All lines by TSFlightLines (aka Hoser)
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11-03-2016, 05:50 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Fuel valve
Quote:
Originally Posted by Raymo
Larry,
Does this help?
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Yes. I ended up fabricating a new plate. The Vans plate ends up with a hole edge distance violation with the forward most hole in the Andair plate.
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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11-03-2016, 08:55 PM
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Join Date: Sep 2014
Location: vancouver canada
Posts: 114
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Thanks guys,
Ray I have the same octopus under my panel. I managed to back out the screws but I will need to put a slot in them as suggested to use again. Any recommendation what type of grease for the "O" rings? Thanks Guys, Cheers Gary
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11-04-2016, 10:38 AM
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Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 2,583
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Rays panel looks alot neater now  
Tom
__________________
Tom Swearengen, TS Flightlines LLC, AS Flightlines
Joint Venture with Aircraft Specialty
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7 Tail Kit Completed, Fuse started-Pay as I go Plan
Ridgeland, SC
www.tsflightlines.com, www.asflightlines.com
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11-04-2016, 11:27 AM
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Join Date: Apr 2012
Location: Pound, VA
Posts: 182
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Quote:
Originally Posted by simatos
Not really very tight and key turns in the head. Check the allen key, nice and sharp, no damage. Abit cheesed off, anyone run into this????
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My Andair valve came with two different allen wrenches. One of them is for the red handle, the other one fits the screws at the fittings.
Are you certain that you are using the correct size allen wrench? |
11-04-2016, 01:22 PM
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Join Date: Mar 2008
Location: Dublin, CA
Posts: 1,259
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I still have a brand new valve that I've yet to mount. I'm wondering what I should use to lube the O-rings. I think I'm going to need to rotate in fittings 90 degrees if I remember correctly. That might be a good time to lube the O-rings or should they come from Andair that way?
__________________
Ray Tonks
2020 Donation Paid
Titan IOX-370, Dual PMAGs, 9.6:1 Pistons, FM-150
RV-7 Fuselage in progress
* Cabin Interior - In progress
RV-7 SB Wings
* Both Wings fully skinned
* Fuel Tanks Complete - No leaks finally
* Ailerons Complete
* Flaps Complete
RV-7 Empennage - Complete (a little fiberglass work left)
Vans Training Kit # 2 - Complete
RV-7 Preview Plans
Vans Training Kit #1 - Complete
EAA Sheet Metal Class - Complete
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11-04-2016, 04:15 PM
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Join Date: Jul 2013
Location: US
Posts: 2,245
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Quote:
Originally Posted by rapid_ascent
I still have a brand new valve that I've yet to mount. I'm wondering what I should use to lube the O-rings. I think I'm going to need to rotate in fittings 90 degrees if I remember correctly. That might be a good time to lube the O-rings or should they come from Andair that way?
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http://www.aircraftspruce.com/catalo...ezturnlube.php |
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