On 11/19/2022 9:22 AM, mark jones via KRnet wrote:
Does aviation brake fluid have a long shelf life? I have some that
must be at least ten years old. Is it safe to use?
Mark Jones (N771MJ)
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Go with what makes you comfortable but I've not serviced the fluid in my
brake system since installing it 20 years ago and they just keep
working. I keep the puck from coming out on pad replacement so as not
to loose any fluid. I check brake function before every start up by
holding the brakes and rocking my 200+ pounds in the seat. I can tell
if the brakes are holding. They are checked again on run up for mag
check and I suspect there is little chance of them failing in flight and
unavailable for landing. Nose draggers might want to take a bit more
precaution as you use brakes for steering. Other than leaks or
corrosion issues I can't imagine a failure mode for the (correct type)
fluid.
Larry Flesner
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