hitachi — ANTI-DRIFT VALVE

COMPONENT OPERTATION / Control Valve Releasing Operation: 2 3 4 1 5 6 7 4Pc3 4 A 3 8 To Hydraulic Oil Tank T450-03-03-028 1 - Check Valve 3 - Switch Valve 5 - Spring 7 - Orifice 2 - Piston 4 - Spring 6 - Check Valve 8 - Boom 1 Spool T3-3-31 Pre fro Pu ssure Oil m Pilot mp Fro Cyli (Re m Boom nder Bottom turn) Side