1. Check the oil level of the oil tank every week. If the oil level is lower than the oil window, add hydraulic oil;
2. The system oil temperature should be between 35 ℃ ~ 60 ℃, shall not exceed 70 ℃, such as too high will lead to damage of metamorphic oil and accessories.
3. The hydraulic oil used in this machine is ISOHM46 or MOBILDTE25;
4. The oil should be changed after the new machine works for 2000 hours, and the oil should be changed after every 4000 ~ 6000 hours of work. The oil tank should be cleaned after every oil change.