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Fuel Inlet Metering Valve, Diesel|Service and Repair > < Fuel Control Actuator - Description|Page 2965
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Fuel Inlet Metering Valve: Description and Operation
Overflow Valve - Operation

OPERATION

When the fuel control actuator (FCA) is opened, the maximum amount of fuel is being delivered to the fuel injection pump. The cascade valve regulates
how much excess fuel is used for lubrication of the injection pump, and is also used to route excess fuel through the drain circuit and back into the fuel
tank.

Fuel Inlet Metering Valve, Diesel|Service and Repair > < Fuel Control Actuator - Description|Page 2965