Adjust the hydraulic oil pressure Adjust according to the steps below if the hydraulic oil pressure can’t reach to standard value (20 MPa) 1. Remove cover (3), loose nut (4), and turn adjusting screw (5) to adjust the pressure of interior spring (6). Clockwise turn for increasing oil pressure. Counterclockwise turn for decreasing oil pressure. 2. After finish the adjustment, repeat commissioning and check if it has reached the standard value. 20-136