Caterpillar 6D16 Diesel Engine Fuel System Structure
Here is an illustration of Caterpillar 6D16 diesel engine fuel system structure guide. Related Contents: Caterpillar Excavator Engine C D Series Test Cable Caterpillar ET 2023A Diagnostic Software Fuel from the fuel tank 4 is drawn up by the feed pump 5 and strained by the fuel filter 2. The feed pump is driven by a cam in the injection pump 6. • After filtration, fuel is fed to the injection pump 6. From there, it is fed under high pressure to the injection nozzles 1. The injection nozzles spray the fuel into the combustion chambers. • If the fuel pressure in the injection pump 6 exceeds a preset level, the overflow valve 7 opens to allow excess fuel to return to the fuel tank 4