HYDRAULIC POWER UNIT MUST BE LOCATED SUCH THAT ALL HYDRAULIC LINES PITCH CONTINUOUSLY DOWNWARD AT A MINIMUM OF .25 INCH PER FOOT [21 MM/M] FROM VALVE ACTUATOR CONNECTIONS TO POINT OF CONNECTION ON HYDRAULIC POWER UNIT, WITH NO LOW POINTS IN LINE. REFER TO "HIGH PRESSURE HYDRAULIC INTERCONNECTING NOTES (GE DRAWING #363A7427).