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28 Μαΐ 2024 · The mechanism that feeds fuel into a diesel engine’s cylinders is called an injection pump. Usually, the injection pump was powered indirectly from the crankshaft by gears, chains, or a toothed belt (typically the timing belt), which also operates the camshaft.
In ECU-controlled vehicles, the fuel injection pump is only used to pressurize the fuel line as the distribution of fuel is controlled with the help of electric injectors and ECU units. In an IC engine, Fuel injection pump is driven with the help of a crankshaft or by the camshaft.
In the electronically controlled fuel injection system of a distributor type pump, the computer detects the operating conditions of the engine in accordance with the signals received from various sensors (engine speed, acceleration, intake air pressure, water temperature sensors, etc.) in order to effect the following basic controls:
The Yanmar injector pump diagram provides a visual representation of how the pump is constructed and how its various components work together. This diagram typically includes labels for the fuel inlet and outlet, the governor, the drive shaft, the plunger and barrel assembly, and the delivery valve.
production serial number. Main Components. It is necessary to become familiar with the main components of the VE-type injection pump to understand the basic operating principles. Refer to Figures 1 and 2 for the location of the main components. A VE pump may be gear or spur-belt driven.
By studying this diagram and familiarizing yourself with the different components and their functions, you’ll gain a deeper understanding of the inner workings of your diesel fuel injection pump, allowing you to make informed decisions when it comes to maintenance, repairs, and performance upgrades.
Injection Pumps - Venting After priming the low pressure fuel lines (see Procedure 006-015, Fuel Filter — Spin-On Type), air/fuel can be vented from the illustrated vent locations on the Nippondenso EP-9 and the Lucas CAV fuel injection pumps. The Lucas CAV fuel injection pump requires that the fuel lidlb idbf i SMALL | MEDIUM | LARGE
