rstone4(at)hot.rr.com Guest
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Posted: Fri Jan 04, 2008 10:02 am Post subject: Fuel System Tank Sump Drain |
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Members,
For those of you who are having a problem of having to change the little O ring on the sump drain furnished with the ZodiacXL kit, the following information is for you if you are interested. I went to the Central Texas College Aviation Department and talked to some of the mechanics about my problem of constant leaking from both wing tank sump drains and was told, the drain valve furnished by Zenith is not anywhere as efficient as the Curtis drain valve. I looked in the Aircraft Spruce Catalog and found on page 163 center right a listing of Curtis drain valves. The one that will replace the original valve is model CCA 4850 1/8 NPT P/N 05-00686, Price $14.90 each. I ordered two and feel that for a total cost of $29.80 plus shipping I will come out way ahead considering the cost of fuel being wasted because of leaks
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