TM 5-5420-209-12446. Dual Over Center Valve. - Continued(10)(11)(12)(13)(14)(15)(16)(17)(18)Connect a 0-6,000 psi (0-41,307 kpa) hydraulic pressure source and gage to cylinder port 1.Connect a 0-300 psi (0-2,068 kpa) hydraulic pressure source and gage to cylinder port 2.Connect valve port 1 to hydraulic fluid reservoir.Plug valve port 2.Increase pressure at cylinder 1 port and record the pressure at which flow occurs between cylinder port 1and valve port 1.Increase cylinder port 2 pressure to 50 psi (345 kpa) and record pressure at which flow occurs between cylin-der port 1 to valve port 1.Increase cylinder port 2 pressure up to 250 psi (1 ,705 kpa) or until flow occurs between cylinder port 1 andvalve port 1 at 0 psi (0 kpa).Adjust valve (see para. b below) if valve does not perform within tolerances.Reduce all pressures to 0 psi (0 kpa) and disconnect connections.FOLLOW-ON MAINTENANCE: Install bay (para. 2-27).4-170
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