Annual Burner Maintenance – Public Buildings, Danbury, CT

The annual maintenance procedure shall consist of the following: 1. Remove oil drawer assembly. Clean and check oil nozzle. If equipped with spark ignition; clean, inspect and gap electrodes. 2. Clean and inspect diffuser. 3. Clean oil strainer. 4. Remove ignition assembly. Clean, replace ignition electrode and set proper spacing. 5. Check combustion air fan for cleanliness. 6. Check vent line on gas regulators and switches for blockage. 7. Perform gas valve leak test on both main and auxiliary gas valves. 8. Check all burner linkages; lubricate and tighten. 9. Check flame scanner and scanner mounting pipe for cleanliness. 10. Properly check and tighten all electrical connections and make sure Flame Safeguard is firmly connected to base. 11. Run burner through complete operation sequence on all available fuels and check for proper operation of all interlocks, operating and limit controls. Check scanner for spark pick-up. 12. Adjust gas pilot for proper signal and perform gas pilot flood test. 13. Conduct complete combustion analysis test on burner. Adjust for efficient operation on all fuels and high and low firing rates. Check for CO on gas operation. Fill out complete Power Flame start-up sheet or provide read-out from electrical combustion analyzer. 14. Wipe burner down and check for any oil leaks and correct. 15. Use a combustion analyzer to ensure proper burner adjustment. Submit the original printout report from the analyzer with each burner service keep copy for your records 16. Follow manufacturers I.O.M.S. for proper burner adjustments of O2, CO, CO2 & Flue Temp. make adjustments as needed. 17. Assure proper operation of burner firing controls submit supporting documentation. All lo-hi-lo and full modulating burners shall have proper DDC control including reset of lo-hi-lo or modulating firing rates any improper firing control issues must be documented in a report any burner that shows signs of high cycle rates must be documented consult manufacturer of boiler for proper corrections needed and submit cost of repairs for approval prior to proceeding.