ዘይት Viscosity ሊሆን shoud 15-68 cst,እና ዘይት ከቆሻሻው ነጻ cleanand መሆን አለበት,N46 በሃይድሮሊክ ዘይት ይመከራል.
Viscosity of the oil should be 15~68 CST and the oil should be clean and free of impurities,N46 hydraulic oil is recommended.