To maintain and repair a building hoist, follow these steps: Ensure regular inspections by qualified personnel, checking for wear and tear, and addressing any issues promptly. Lubricate moving parts as per the manufacturer's guidelines to reduce friction and prolong component life. Replace worn-out cables, pulleys, and other critical components to prevent accidents. Keep the hoist clean and free from debris to prevent jams and malfunctions. For repairs, always consult the manufacturer's manual or hire professional technicians to avoid safety hazards. Regular maintenance and prompt repair are crucial for the safe operation of building hoists.