From: Rich Sherman (richs@volcano.net)
Date: Wed Dec 24 2003 - 15:42:35 PST
At 02:42 PM 12/24/2003, Trish & Carla wrote:
>Doesn't loss of air to the air brakes cause the brakes to be
>applied?
Only if full air brakes and they are the 'spring brake' type. That's where
the air holds against the springs in order to release the brakes. That's
the air release you hear when the parking brake is applied. A lot of the
mil trailers are air over hydraulic where the air pressure applies the
brakes, no air then no brakes.
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