Cleaver-Brooks Packaged Boiler FLX-200

Mark the diffuser's relative position to the blast tube

Remove the screws holding the diffuser to the blast tube

Slowly pull the diffuser along the blast tube towards the firing head

Refer to the controls documentation for parallel positioning systems

Consult the accompanying wiring diagram for system adjustment information

Consult the following manuals for C-B Hawk systems

Ensure independent actuators for fuel, air, and FGR are coordinated

Is the combustion optimized throughout the firing range?

Shut off the burner; position the switch to 'Off'

Shut off all electric power to the burner

Disconnect the fuel lines from the drawer assembly access cover

Note the location of bolts in relation to the access cover slots

Remove the drawer assembly access cover bolts

Pull the drawer partially out of the housing

Disconnect the ignition cables from the electrodes for direct spark applications

Turn the adjusting screw to set pressure between 4” to 6” W.C.

Obtain DC volt or microamp reading of the flame signal

Use the flame safeguard amplifier meter jack for reading

Initial Startup and Maintenance Tests

Ensure the modulating motor can complete its full travel range

Is the motor in low-fire position?

Adjust the following components with the motor in low-fire position

Describe any restrictions found during adjustment

Record combustion gas analysis results

Is the air to fuel ratio within acceptable limits?