To maintain and repair a damaged building hoist, follow these steps: Regularly inspect the hoist for wear and tear, checking cables, pulleys, and brackets. Lubricate moving parts to reduce friction and prevent rust. Replace damaged or worn-out components promptly. Ensure all safety features are functioning correctly. If a hoist is severely damaged, consult with a professional to assess the damage and perform necessary repairs. Always adhere to the manufacturer's guidelines and safety regulations during maintenance and repair processes.