1, regular replacement of small excavator hydraulic oil and filter
Good hydraulic oil contains a variety of additives to prevent oil deterioration. However, these additives will lose their efficacy after a period of time, so the oil should be replaced regularly to ensure the role of the additives.
The filter can only absorb a limited number of dirt particles and other impurities from the oil. When replacing hydraulic oil, clean the oil suction filter of the hydraulic tank to keep the system clean. Change hydraulic oil
Check whether there are metal particles or debris at the bottom of the filter. If there are copper or iron shavings, it indicates that the hydraulic pump, hydraulic motor or valve may be damaged or will be damaged. If there is rubber, it indicates that the seal of the hydraulic cylinder is damaged.

2, regularly discharge the dirt in the small excavation oil tank
Regular discharge of water and sediment in the tank to remove impurities from the oil is very important, but it is also very important to regularly replace the hydraulic oil in the entire hydraulic system. This is the only reliable way to completely remove impurities, oxidized hydraulic oil and other harmful impurities from the system, and then the recommended clean hydraulic oil should be added to the hydraulic system again, please drain the dirt from the hydraulic tank storage tank every 258 working hours.

3. Replace all hydraulic oil and clean the tank.
If the hydraulic oil of the small excavator is contaminated, especially when the pump or cylinder and the motor are damaged, the hydraulic oil must be completely replaced and the fuel tank cleaned.