ዘይት Viscosity ሊሆን shoud 15-68 cst,እና ዘይት ከቆሻሻው ነጻ cleanand መሆን አለበት,N46 በሃይድሮሊክ ዘይት ይመከራል.
3.Visksity of oil Haydarooliga waa inuu noqdaa 15-68 cst, oo waliba nadiif ah oo aan nadiif ahayn wasakhda N46 saliida hydraulic ayaa lagula talinayaa.