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I was asked some questions about my brake bleeder technique.
What keeps the fitting securely attached to the brake
bleeder?
The 87-5 fitting has a slot milled into the end. If you look at
the end of the fitting, you see a slot that starts at the edge and continues
about half way to the center of the fitting. (Sorry I don't have a
photo.) The slot slides over the tip of the brake bleeder. The shape
of the brake bleeder keeps it from pulling straight out the end of the 87-5
attachment.
How does the 87-5 fitting seal to the brake bleeder?
Tightening the 87-5 fitting forces an internal metal part against
the end of the brake bleeder. Since it is metal to metal contact
against a brake bleeder that was never machined on the end, I expected it
was going to leak. I was surprised that with only moderate tightening,
there were no leaks at 15 psi.
What are you using as the threaded fitting to attach to the
reservoir?
The top of my brake fluid reservoir, which came with my Legacy
kit, has a 1/8" female pipe thread. I removed the plug that
normally goes there and replaced it with a Nylo-Seal 268-N 04 x 02 connector
from Aircraft Spruce. Using a clear plastic tube for the overflow allows
you to see when the bubbles stop coming out.
Hope this helps,
Dennis Johnson
Legacy
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