Excavator hydraulic system, electrical system maintenance precautions

The hydraulic fluid temperature is still high during and immediately after the operation, so be careful when checking and maintaining the hydraulic spare parts.

1) Place the machine on a level surface, lower the bucket to the ground, and then release the hydraulic cylinder line pressure.

2) Let the engine turn off and wait for the oil temperature to drop before performing maintenance. Even if the oil temperature drops, there is still pressure inside the system. When checking and maintaining the hydraulic circuit, in order to release the internal pressure of the system, the air should be discharged from the hydraulic tank.

3) Regularly check the hydraulic oil level, replace the oil filter, and add hydraulic oil.

4) After disassembling the high-pressure hose, check whether the O-ring or gasket is damaged. If it is damaged, replace it with a new one.

5) After cleaning or replacing the excavator spare parts hydraulic oil filter element and filter, or 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 incorrectly. It must be strictly in accordance with the regulations.

Electrical system maintenance precautions

1) If the wire is damaged by moisture or insulation, the electrical system may leak electricity and may cause the machine to malfunction or cause other accidents.

2) Check the tension of the fan belt, damage and wear, check the battery electrolyte level.

3) Do not disassemble or disassemble any electrical components installed on the machine.

4) Do not install counterfeit excavator electrical spare parts that do not meet the requirements.

5) Do not expose the electrical system to water when cleaning the machine or when working in the rain.

6) When working at the beach, the electrical system should be carefully cleaned to prevent corrosion.

7) When installing a chiller or other electrical equipment, it should be connected to a separate power connector. The selected power supply must never be connected to a fuse, start switch or battery relay. https://jnjmzm.wixsite.com/sdjygcjx