Dakota County Summer Boiler Maintenance 2026

2026-11-03

SCOPE OF SERVICE : FIRESIDE CLEANING : 1 . Open fireside access doors and openings for full access to fireside surfaces to be cleaned . 2 . Clean flues , tube sheet , and breeching using ( where possible ) an air turbine reamer and industrial vacuum system . 3 . Inspect and report the condition of fireside brickwork and insulation materials . 4 . Washcoat all brick work with high temperature refractory coating . 5 . Provide photos and written report to the site supervisor of any abnormalities , or questionable conditions found regarding the fireside of the boiler . 6 . Leave fireside open and notify site supervisor to contact inspector for annual inspection . 7 . Inspect and report condition of fireside gaskets . 8 . Following inspection , seal and close fireside of boiler using new sealing materials where applicable . WATERSIDE CLEANING : 1 . Drain , open and flush entire waterside of boiler . 2 . Remove all low water controls , clean and inspect piping . 3 . Clean and flush makeup and / or feedwater pump strainers and water column float chambers . 4 . Drain expansion tank . 5 . Remove all plugs in control piping , inspect , reinstall controls and replace gaskets . 6 . Provide photos and written report to the site supervisor of any abnormalities , or questionable conditions found regarding the waterside of the boiler . 7 . Leave waterside open and notify site supervisor to contact inspector for annual inspection . 8 . Following inspection , close boiler , fill with water , temper to prevent damage . BURNER / BOILER CHECKOUT : 1 . Remove , check and clean burner components including pilot assembly . 2 . Clean burner air damper and air intake . 3 . Check pilot electrode for cracks and adjust electrode setting . 4 . Check packing material in air / oil receiving tank , if applicable ; replace if necessary and fill with new oil . 5 . Clean lube - oil screen and filter if applicable . 6 . Check oil pump v - belt if applicable and replace if necessary . 7 . Remove fuel oil strainer / filter and clean or replace . 8 . Following inspection and reassembly of fireside and waterside , start and properly warm boiler . 9 . Check all safety interlocks to assure proper operation and timing . 10 . On both natural gas and fuel oil , check combustion with an electronic analyzer and adjust fuel / air ratios as necessary ( Juvenile Center gas only ). 11 . Perform a slow drain test to assure proper low water cutoff and pump control operation . 12 . Check entire boiler for leaks . 13 . Inspect and provide written report to site supervisor condition of any questionable burner or safety control components or devices . 14 . Return between November 15th and December 31st 2026 to finally calibrate controls to meet ultimate load demand on both natural gas and fuel oil ( Juvenile Center gas only ). 15 . Provide a written report outlining all findings , and any recommendations for improving operation , efficiency and safety .

Minnesota

2026-04-29