Hitachi Zaxis Zx27u-2 Excavator Parts Catalog Pdf Manual Hydraulic System : Hitachi zx27u-2 * Auxiliary function foot control * Auxiliary hydraulic lineswith quick-couplers to endof boom * Auxiliary return-flow selector valve * Axial-piston swing motor * Boom-swing foot control * Excavator-to-backhoecontrol pattern changevalve * Opencenter with two variable-displacement pumps andone fixed-gear pump * Hydraulic pilot-operated […]