Maintaining the crushing efficiency of the crusher is crucial for maximizing productivity and minimizing downtime. To maintain the crushing efficiency of a crusher, follow these tips:

1. Regularly inspect the crusher. Inspect the crusher regularly for any signs of wear or damage. Pay particular attention to the crushing chamber, hammers, and screens.
2. Replace worn or damaged parts promptly. If any parts of the crusher are worn or damaged, replace them promptly. Worn or damaged parts can reduce the crushing efficiency of the crusher and lead to premature failure.
3. Keep the crusher clean. Keep the crusher clean and free of debris. Debris can build up in the crushing chamber and reduce the crushing efficiency of the crusher.
4. Lubricate the crusher regularly. Lubricate the crusher regularly according to the manufacturer's instructions. Lubrication will help to reduce wear and tear on the crusher and keep it operating efficiently.
5. Adjust the crusher settings regularly. The crusher settings should be adjusted regularly to ensure that the crusher is operating at peak efficiency. The crusher settings will depend on the type of material being crushed and the desired output size.
6. Use the correct type of crusher for the material being crushed. Different types of crushers are designed to crush different types of materials. Using the correct type of crusher will help to ensure that the crusher operates efficiently and produces the desired output size.
7. Operate the crusher at the correct speed. The crusher should be operated at the correct speed to ensure that it is operating efficiently. Operating the crusher at too high or too low of a speed can reduce the crushing efficiency of the crusher.
8. Avoid overloading the crusher. Overloading the crusher can reduce the crushing efficiency of the crusher and lead to premature failure.
By following these tips, you can help to maintain the crushing efficiency of your crusher and keep it operating at peak performance.

Here are some additional tips that may be helpful:

1. Use a high-quality crusher. A high-quality crusher will be more durable and efficient than a low-quality crusher.
2. Train your operators on how to properly operate and maintain the crusher.
3. Keep a maintenance log for the crusher. This will help you to track the crusher's maintenance history and identify any potential problems early on.
4. Have the crusher serviced by a qualified technician on a regular basis.
5. By following these tips, you can help to ensure that your crusher operates efficiently and produces the desired output size for many years to come.