is at full load, half load, and idling. When the locomotive is at a full stop, the plunger is at position (f).
Figure 1.7. Fuel Injection Pump.
c. Fuel filters. Since dust and grit in the fuel are the main causes of diesel engine trouble, the
most important of all precautions is fitting efficient filters in the fuel oil supply line. The equipment is
quickly ruined if fine particles of dust and grit are allowed to enter the fuel line; irregular running, loss
of power, and poor