INSTALLATION OF THE HYDRAULIC UNIT for the underwaterhatches type:001013 page 8

DISCUSSION OF THE HYDRAULICS In total you have to connect three flexible hoses. The thin flexible hoses are connected on the spot where the orange connections are visible, marked with "A1" and "A2". These are the pilot lines towards the cilinder. The right hand connection on the picture is "A1" and is connected with the smaller chamber of the hydraulic cilinder. The left hand connection on the picture is "A2" and is connected towards the larger chamber of the cilinder.