1. Cleaning and inspection of grouting hoses, air ducts and nozzles
2. Cleaning and inspection of equipment
3. Air compressor. Cut off the power supply, air source, close all valves, and check all parts.
4. Cut off the power supply to the electrical parts and check all parts.
5. Remove the booster nail and rotor, clean and reassemble.
6. Other handling of problems found during operation, cleaning, maintenance, etc.