MODERN BURNER UNIT (MBU)
When replacing the nozzle, be careful not to damage the ignitor.
If replacing the nozzle (5), unscrew it from the fuel delivery block (2).
Lubricate the O-ring (6) on the fuel nozzle (5) with a small amount of fuel. The O-ring is supplied in place
on the fuel nozzle.
Screw the new or cleaned fuel nozzle (5) into the fuel delivery block (2).
With a new (or cleaned) and nozzle (5) installed, move the fuel delivery block (2) into position and install
2 hex nuts and washers (3) securing it tightly to the burner tube (4).
Close control panel (1) and secure.
Cleaning and/or Replacing the Fuel Nozzle
END OF WORK PACKAGE