The electrodes must be frequently checked and adjusted to ensure proper and efficient ignition of the fuel oil. Broken or malfunctioning electrodes can result in…
Category: Oil Burner
An oil burner nozzle is a device designed to deliver a fixed amount of fuel to the combustion chamber in a uniform spray pattern and…
The troubleshooting list in Table 1-3 contains the most common operating problems associated with fuel pumps and fuel units. Each problem is given in the…
The oil-pressure regulator on the fuel pump is generally factory-set to give nozzle oil pressures of 100 psig. The firing rate is indicated on the…
On occasion, the oil burner may fail to pump oil. When this occurs, check the oil supply line to the furnace for leaks. If there…
A vacuum gauge and a pressure gauge are both used to service a fuel unit. With these two gauges, the individual can check the following:…
The capacity of an oil burner fuel pump should be sufficient to handle the total vacuum in the system. The vacuum is expressed in inches…
A two-stage pump has two sets of pumping gears. These pumps are used in installations with underground tanks where the combination of lift, horizontal run,…
A single-stage pump contains only one set of pumping gears (see Figure 1-23). These pumps are commonly used in single-pipe gravityfeed installations or two-pipe installations…
Some oil burners are available with combination oil and gas firing accessories that make it possible to use either of these fuels in the same…