Figure 4-53. - Diagram of piping for buried outside tank.

MAINTENANCE OF FUEL OIL SYSTEMS

Among the major duties of the Utilitiesman are troubleshooting and servicing oil burners. To keep the burner in good operating condition, you must be able to recognize the symptoms of various types of trouble and must know how to make various service and maintenance adjustments to the burner.

Before getting into a discussion on trouble- occur in the combustion space. shooting and servicing of oil burners, let’s point out some information on fuel oil firing.

Fuel Oil Firing

Because fuel oils do not burn in the liquid state, several physical conditions must be attained to affect complete and efficient combustion.

1. Either the liquid must be thoroughly vaporized or gasified by heating within the burner, or the burner must atomize it so vaporization can

2. The mist must be thoroughly mixed with sufficient combustion air.