LOADER HYDRAULIC CIRCUIT AND LOADER HYDRAULIC PIPING

摘要

PROBLEM TO BE SOLVED: To provide a loader hydraulic circuit and loader hydraulic piping provided with a selector valve which can mount an attachment with an actuator quickly and easily without repiping.;SOLUTION: The selector valve 41 includes first ports X, Y connectable to a direction switching valve, second ports C1, D1, C2, D2 connectable to a dump cylinder 10 and usually communicating with the first ports via a passage in the main body, third ports A, B connectable to the first actuator 64 of the attachment, and fourth ports E, F connectable to the second actuator 70 of the attachment. The selector valve 41 is arranged in the middle of the loader hydraulic piping from the direction switching valve of the loader connected to a pump to the dump cylinder of the loader.;COPYRIGHT: (C)2006,JPO&NCIPI