Viscosity of the hydraulic oil should be 15~68 cst, which should also be clean and free of impurities, N46 hydraulic oil is recommended.
I-viscosity ye-oyela shoud ibe yi-15-68 cst, futhi uwoyela kufanele uhlanzeke futhi ungangcoli, kunconywa uwoyela we-N46 wokubacindezela.