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 TM 55-1905-219-14-7
3-208. DIRECTIONAL CONTROL VALVE - MAINTENANCE INSTRUCTIONS
(Continued).
If the spool is moved to the right as shown, the "P" pressure port will connect to the "B" cylinder port and the "A"
cylinder port will connect to "T" tank.
When the spool returns to center, (solenoids de-energized), flow is blocked in all ports. It can be seen that the
function of a valve is to direct the flow of system fluid within a circuit. The valve is actually used to direct the flow from
the pump to the actuator and from the actuator to the tank or reservoir.
3-3217
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