by-pass valve
by-pass valve
Join Date: Jun 2001
Location: In da north country
Age: 63
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I don't know what kind of machine your talking about, but basically, its to release hydraulic pressure from the nose steering system during push back, so the hydraulics don't blow things apart when the tug operator turns the nose gear with the tow bar.
Join Date: Apr 2004
Location: near EDDF
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Bypass in the steering system normally means that both sides of the steering cylinder are connected to each other. So you have no counteracting force when the tow truck is doing his work.
