A.O. Smith Copper Boiler DB-1610

Inspect the area around the boiler for lint and debris

Is the flow of combustion and ventilation air unobstructed?

Ensure the boiler area is clear of combustible materials, gasoline, and other flammable vapors and liquids

Sweep the floor around the boiler carefully to reduce dust and dirt

Clean the burner and pilot air passages to prevent improper combustion and sooting

Is the area around the boiler clean and free from lint and debris?

Is the circulating pump properly sized for the application?

Oil the three oil cups as instructed on the oil tube supplied with the unit

Add 2 or 3 teaspoonfuls in bearing oil cups

Add 10 or 12 drops in the motor oil cups

Remove cover panel from far side of water connections

Expose the heat exchanger return bends

Remove return bends using a 9/16" deep socket ratchet

Are the tubes free of scale and deposits?

Remove deposits with a stiff wire brush or mechanical tube cleaner to bare metal if scaled

Inspect all safety devices including low water cutoffs for proper operation

Low Water Cutoff Device Maintenance

Flush the low water cutoff device of the float type

Turn off the electrical power, main manual gas shutoff and pilot valves.

Allow boiler parts to cool before disassembly.

Remove the internal flue collector and vent pipe running to the chimney.

Check parts and chimney for obstructions and clean as necessary.

Remove burners from boiler and other metal parts as required to clean as necessary.

Refer to parts list supplied with this manual for disassembly aid.