1. The light diesel oil used must be clean. Please clean the fuel tank and oil filter regularly.

2. Under normal use, replace the fuel nozzle once a year, and replace the flexible coupling and its rubber parts every 1.5 years.

3. Foreign objects must not enter the air duct.

4. The area where the oil/gas-fired boiler burner is used should be kept away from flammable and explosive materials, and fire extinguishing equipment should be readily available.

5. Adjust the oil pressure appropriately according to the oil pressure gauge reading.

6. Regularly inspect the combustion chamber, impeller, flame detector, and ignition electrode, removing oil and carbon deposits. The flame detector, in particular, should be kept clean and free from water.

7. Always disconnect the power supply when maintaining the oil/gas-fired boiler burner.