Cleaver-Brooks Packaged Boiler FLX-1200

Close the gas pilot shutoff cock

Is the pilot ignition circuit energized at the end of the pre-purge period?

Is there an ignition spark but no flame?

Did the program relay signal the condition due to no flame detection?

Did the ignition circuit de-energize?

Turn the main electrical disconnect switch to the burner to 'Off'.

Is the burner operating in a damp environment?

Cover the burner with plastic to protect all electrical components from moisture.

Remove burner control and store in a dry area.

Replace or clean the oil strainer element

Inspect the combustion impeller

Perform complete combustion test

Read and log combustion test data

Briefly push in the starter contact and release to ensure that the blower motor and oil pump are rotating in the correct direction.

Turn the burner switch to the 'ON' position.

Ensure the following are in place

Disconnect the wiring to the solenoid on the Suntec B2TC-8931 oil pump.

Adjust the screw on the solenoid to obtain a smooth ignition of the oil flame and satisfactory low-fire oil flame.

Turn the burner off and restart to ensure smooth ignition is obtained at the set low-fire pressure.

Replace knurled nut and tighten finger tight.

Ensure the fuel supply is shut off before starting maintenance.

Disconnect the pilot gas supply line.

Remove the screws on the pilot access plate.

Disconnect the high voltage ignition cable by pulling it straight back, away from the pilot assembly.

Slide the pilot gun assembly back away from the flame side of the burner.

Turn the pilot assembly and retract it through the access hole once clear of the burner head bracket.