Cleaver-Brooks Packaged Boiler FLX-400

Burner Mounting Flange Inspection

Check tightness of burner mounting flange

Check tightness of burner drawer

Check tightness of handhole plates on upper drum

Check tightness of handhole plates on lower drum

Sight Glass Inspection (Steam Only)

Check for leaks around sight glass packing nuts

Check proper operation of the motorized gas valve

Clean outer parts of the valve(s), especially the stem

Is there oil noticed around the operator base or any leakage?

Repair the valve if oil leakage is detected

Replace the operator portion if actuator is sluggish or fails to operate

Disassemble solenoid valve carefully to avoid damage to internal parts

Is there a loud buzzing or chattering noise from the solenoid valve?

Turn the fuel selector switch to the 'OIL' position

Turn the burner switch to the 'ON' position

Proceed with startup and adjustments for oil burners

After adjustment, turn the burner switch to 'OFF' and set the fuel selector switch to 'GAS'

Proceed with startup and adjustments for gas burners

Correct the O2 levels by adjusting the butterfly valve for models V35-55

Adjust the regulators low and high pressures for models V13-34

Leave the gas pilot shutoff cock open

Did the pilot light upon completion of the pre-purge period?

Are the main fuel valves energized without main flame?

Did the fuel valves de-energize within four seconds after the main burner ignition trial ends?

Open the manual gas shutoff cocks

Gas Pressure Check and Adjustment

Enter the gas pressure at the inlet of the regulator

Enter the pressure downstream of the regulator

Are the pressures in accordance with the regulator specifications?

Adjust the regulator if necessary and describe the adjustments made

Burner Operation and O2 Level Adjustment

Turn the burner switch to the 'ON' position