Specifications include, but are not limited to: Vendor will furnish all labor and materials required to service and/or make repairs to maintain equipment in excellent operating condition. The minimum service will include: 1. Clean coils, condensers, strainers and traps; 2. Change oil, check and repair leaks; 3. Check for and repair leaks of refrigerant, add refrigerant as required; 4. Tighten, adjust and clean internal unit controls and safety devices (many sites have standalone thermostats); 5. Provide seasonal change-over, as required; 6. Clean drip pans and condensation lines as far as sanitary drains; 7. Maintain proper belt tension and alignment. Provide a spare belt of each size on site and replace worn belts as required; 8. Replace damaged, worn or inoperative components as required;