At the end of the operation and operation, the temperature of the hydraulic oil is still very high, so be careful when checking and maintaining the hydraulic system.
1) put the machine on the horizontal surface, the bucket will fall to the ground, and release the pressure of the hydraulic cylinder.
2) let the engine go out, and then maintain it after the oil temperature drops. Even if the oil temperature drops, there is still pressure inside the system. When the hydraulic circuit is checked and maintained, the air should be discharged from the hydraulic tank in order to release the internal pressure of the system.
3) check the hydraulic oil level regularly, replace the oil filter, and add hydraulic oil.
4) when removing the high-pressure hose, check whether the O ring or gasket is damaged. If damaged, new parts should be replaced.
5) after cleaning or replacing the filter element and filter screen of the hydraulic oil filter, after removing the hydraulic pipe, the air in the oil path should be discharged.
6) there is high pressure nitrogen in the accumulator. It is quite dangerous to use it correctly. We must strictly comply with the regulations.
