Hydraulic Schematic for Double-Acting Circuit
Thumbs, Shears and swivel Buckets are examples of attachments that operate
with a cylinder that is hydraulically extended and retracted. A double-acting
circuit is required.
In this schematic, the directional capability of the existing
auxiliary valve is utilized. The auxiliary section port relief valves
are used to set maximum circuit pressure. Our pedal valve ties into the pilot
system on the excavator to shift the existing auxiliary spool in the main
control valve.
Images,schematics and content are © HydrauliCircuit Technology * 1-888-603-0080