Fuel check valve in a 210

DKirkpatrick

DKirkpatrick

Pre-takeoff checklist
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May 18, 2011
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DKirkpatrick
Fuel check valve, l/h side on my c210L is leaking and I need a new one. Where am I gonna get one of these and where can I find a part number?? Would appreciate the help. —dan
 
Just to make sure we are on the same page, what part are you referring to? Are you referring to the fuel vent check valve that is in the wing tip? Or do you mean the fuel drain/sump under the wing used for checking the fuel?
 
Sorry. The valve mounted in each wing that you pre-flight check the fuel for water. My ignorance is showing… thanks
 
Ain't no A&P so if you read this it will cause your airplane to crash into a school for handicapped children of person injury lawyers.

Sometime a bit of crap gets under the O ring - blowing into the valve (use a hose) sometimes clears it. Or just pull it out (have a pipe plug handy if there is fuel in the tank. Enjoy the thrill from fuel running down your arm.

O rings are not hard to change.

https://www.saf-air.com/products/fuel-valves.html
https://www.aircraftspruce.com/catalog/appages/oring010.php

Your A&P knows better than to use Teflon tape when re-installing the valve.
 
That valve is a S2020-1, which supersedes to S2020-2, which then supersedes to S2020-3. The S2020-3 is ~$40. The CCA-2900 is Curtis's non-OEM direct replacement and is ~$22 (they also make the S2020-3 for Cessna). Unlike some other drain valves, this particular drain valve is non-serviceable, the o-ring is inside the stem and that stem has a rolled over end, so it cannot be accessed to replace. I don't recommend attempting this as owner preventative maintenance for a couple reasons... 50 gallons has a lot of head pressure and it's going to be coming out with some pretty good velocity also the tab for safety wiring the valve is very thin metal, so it's very easy to tear through it if you aren't careful. And that tab is riveted to the bottom skin of the wet wing, so replacing it is no fun. Of course draining the tank can make it a lot more of a non-event, but where is the fun in that.
 
Also, to your original question on finding the part number, all that information is in the IPC (Illustrated Parts Catalog). Textron provides all their IPCs for free on the website, you just need to create a free account (https://support.txtav.com). You would find this valve in figure 8 of the IPC.
 
Wow. That helps a lot and I appreciate your getting back with me. I’m trying to find the part because my a&p stays up to his eyeballs busy. If I’ve got the part laying on the seat he can get me in and out quickly… and he’ll get er dun. Thanks again for the knowledgeable information. -dan
 
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