(1) Ordinary vehicle gear oil cannot replace medium and heavy-duty vehicle gear oil for hyperbolic gears, nor can it be mixed. Otherwise, it will cause equipment wear and shorten the service life.
(2) Oils with appropriate viscosity grades should be selected according to the ambient temperature to ensure the lubrication requirements under high and low temperature working conditions.
(3) To prevent mixing with water and impurities.
(4) Pay attention to timely replacement of new oil. When changing to a different brand of oil, the gearbox should be cleaned and then filled with new oil, and the amount of oil should be appropriate.