USER MANUAL FOR THE HYDRAULIC UNIT for the underwater hatches type:001013 pagina 5

WORKING WITH THE UNIT type:001013 Preventive actions first echelon. The hydropneumatic accumulator is loaded on the gas side with nitrogen on a pressure of 50-60 bar. This ensures energy accumulation in the low pressure area. The low pressure pressostat is fixed at 55 bar. Even in case of a longer energy delivery time minimal pressure is guaranteed. Filling this accumulator with nitrogen should only proceed with the correct equipment type.