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Old 17th Feb 2015, 14:00
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LEVEL600
 
Join Date: Mar 2009
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No for second sentence,I used same bad logic.Safety valve is not part of free fall sequence as Vilas said and can be both open or closed for gravity extension. Free fall is performed without hydraulic pressure, which is shut by cutoff valve, valve installed downstream of safety valve . Free movement of hydraulic fluid in actuators is achieved by two vent valves, one for nose and one for main legs,which allows fluid circulation and return to tank.
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