07-14-2023 - Annual boiler maintenance

Boiler Preventive Maintenance at Lockport High School
   Scope of Work: Three HB Smith Steam Boilers

• Shut down and lock boilers.
• Drain boiler; open and inspect water side of boiler.
• Open and inspect fire side of boiler.
• Pull inspect and clean pilot assembly.
• Pull and clean burner drawer and diffuser.
• Check combustion blower; lubricate as needed.
• Check modulation motor and all linkage arms and jackshafts; lubricate as needed.
• Check and tighten all electrical connections; check contactor pads.
• Check flame safety relays.
• Inspect, clean, and adjust rotary damper or its equivalent.
• Check gaskets for leakage.
• Clean front observation port.
• Clean scanner lens.
• Check feed pump contacts.
• Check refractory and combustion chambers
• Check strainers in Water feeder
• Check feed pump control.
• Clean all low water cut offs and check related piping.
• Install fire side and water side gaskets.
• Close boiler.
• Fire boiler.
• Check and adjust pilot.
• Check gas regulators for proper operation.
• Check all operating and safety controls.
• Tune unit for proper combustion and efficiency.
• Start, test, and check operation.
• Check the general condition of all related piping and components.
• Inform customer of all findings.