The Cessna 120-140 Association Forum

Good evening. I am looking for a hard line right side brake line that is in the belly of a 120. Part number is 0400106-30. Can these be fabricated? Any leads would be appreciated.

Replaced both left and right a couple of years ago when I restored my 140. As I recall, I just ordered about 15’ of soft aluminum tube from Aircraft Spruce and new fittings for the ends and installed them in the original location. Wasn’t much of a job! I seem to remember that I had to install the tubes without the B nut, sleeve, and flare after installation to facilitate passing the tube through the routing holes in the structure of the plane. The old original line were age hardened and I didn’t want to risk having them fail. The soft tubing can be bent by hand but using a bending tool is safer. You can do it!
Steve Hawley

Thank you for the advice. I ordered hardline tubing and new fittings bent and flared to fit. I do have to say this was challenging but rewarding. Posted some pics. Thanks for all the help I get from this forum. One day this will fly again…

b61652 wrote: ↑Sun May 07, 2023 9:22 pm I ordered hardline tubing and new fittings bent and flared to fit. I do have to say this was challenging but rewarding.

Nice!

Brake lines, I replaced all my brake lines with new tubing from Spruce & Specialty company.
And all my fittings as well. It was quite a job, but I had assistance from my mechanic, & I learned not to eat so much, its a tight slot to bend the tubing & your finger's in this area. It takes
patience, & new fittings. Old fittings should be inspected & replaced, especially if you are restoring
your little Cessna 120, 140, or 140A. My opinion, is to replace all old fittings, when replacing all
tubing & fittings, the reason, you won't have to take it all apart, if you get a leak in your brake system, or fuel line systems. And yes my Cessna 140A, has all new brake & fuel lines, & fittings.
You must remember to use the proper wrenches, & don't over tighten, the "B" Nuts.
Remember if you pinch your finger's, don't get mad & throw things, it will get lost or cost you more.
I hope you enjoy this & Good Luck! PS, You must remove your Gear Legs, & shims, remember to be careful when re-installing them, & the Shims. And don't force the Allen wrench screws back in, that hold the shims, alien them with the holes, & be careful not to snap them off...!

Have a great day! Dave, N9669A

Since this turned into a DIY instead of a parts purchase, I'm moving it to the technical discussion for future reference.