Ultrasonic cleaning machines can be used to remove oil and rust from automobile parts and clear and clean filters. The following are the specific steps for using an ultrasonic cleaner:

1. Place the car parts that need to be cleaned into the cleaning basket of the ultrasonic cleaning machine.

2. Follow the instructions for use of the cleaning machine and set appropriate cleaning time, cleaning agent type and other parameters.

3. Start the cleaning program and observe the circulation of the cleaning agent and the operation of the ultrasonic wave during the cleaning process.

4. After cleaning is completed, take out the cleaning basket and proceed with the next step of drying, oil spraying and anti-rust operations. It should be noted that when using an ultrasonic cleaning machine, the appropriate cleaning agent type should be selected according to the specific cleaning needs, and care should be taken to avoid damage to parts caused by excessive cleaning. In addition, you should pay attention to safety during operation and avoid contact with hot surfaces or injury caused by liquid spillage.