3/4” tapered shaft to suit all marine steering wheels
Includes ORB fittings
Volume :120cc
Function: A helm pump is an Axial Piston Manual pump . The function of the helm pump is to push oil in the hydraulic circuit when the steering wheel mounted on the pump shaft is rotated. The helm pump is usually fitted with a lock valve to prevent the rudder feedback to the steering wheel . Also for safety, the pump is fitted with a relief valve.