The operating procedures and precautions for ultrasonic cleaning machine are as follows:

1. Preparation before use: Check whether the ultrasonic cleaning machine is in good working condition, ensure that the power line is intact, the plug is safely grounded, and the exhaust port is not blocked.
2. Usage steps:

① Confirm that the items being cleaned have been thoroughly cleaned and are not suitable for soaking in water.
② Put the items that need to be cleaned into the cleaning basket or into the cleaning tank, and add an appropriate amount of cleaning agent.
③ Adjust the power of the ultrasonic cleaning machine to the appropriate gear and set the appropriate cleaning time.
④ Start the operation while paying attention to the temperature changes of the cleaning solution.
⑤ After the operation is completed, drain the cleaning solution, remove the items, and clean them.

3. Precautions:

① Pay attention to personal safety during operation, wear protective gloves to prevent static electricity.
② When the ultrasonic cleaning machine is working, do not touch the surface of the ultrasonic transducer to avoid injury.
③ Do not use the ultrasonic cleaning machine for a long time to avoid overload.
④ Do not leave no cleaning material in the cleaning tank to avoid burning the machine.
⑤ Regularly inspect and maintain the ultrasonic cleaning machine to extend its service life.
⑥ When encountering problems, do not disassemble the ultrasonic cleaning machine casually. Instead, seek professional maintenance personnel for inspection and repair.