• Become a Subscribing Member today!

    J3-Cub.com is the largest community of J3-Cub pilots, owners and enthusiasts. With over 1000 active members, we have fostered a vibrant community and extensive knowledge base.

    Access to the J3-Cub.com community is by subscription only. Membership is only $49.99/year or $6.99/month to gain access to this community and extensive unmatched library of knowledge.

    Why become a Subscribing Member?

    • J3-Cub.com hosts a library of over 13 years of technical discussions, J3 data, tutorials, plane builds, guides, technical manuals and more.
    • J3-Cub.com also hosts an extensive library of J3-Cub photos.
    • You will also receive two J3-Cub decals!

    Become a Subscribing Member and access J3-Cub.com in full!

    Subscribe Now

Fuel Sump Question

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

J3C-65

Well-Known Member
Supporting Member
Joined
May 9, 2024
Messages
123
Reaction score
33
Location
Texas
Friends,

Question about fuel sumps - I noticed sumps have a small metal ring at the top of the threading above o ring. What is the purpose of this ring?

It looks like if the o ring failed, the diameter is too small to prevent any type of leakage. Please reference picture below. Thanks!
 

Attachments

  • IMG_4218.jpeg
    IMG_4218.jpeg
    323.3 KB · Views: 0

Latest posts

Back
Top