What are the maintenance contents of main systems of a gas-fired boiler?

Maintenance of the burner: thoroughly clean the rotor plate, ignition device, filter, oil pump, motor and impeller system, and add lubricant to the connecting rod device of air valve. Retest the combustion condition.

Maintenance of the controller: check and repair the electrical components, control the circuit, clean the dust collection in the control box, and test the control point. Finally, sealing treatment should be carried out to protect the controller components from moisture.

Maintenance of the water supply system: overhaul the water treatment device, check whether the water quality is up to the standard, comprehensively clean the water treatment system, check the operation condition and lift of the feed pump, and check whether the pipeline valves can be flexibly used, etc. Cut off the water and cut off the power, and close the valve when each system is full of water.

Maintenance of the boiler proper: In daily use, it is necessary to strengthen the maintenance of a boiler to ensure the stable and safe operation. This is also an important measure to prevent the decreasing of thermal efficiency, bad boiler situation and boiler accidents.