Basic Fuel Injection System Heavy Equipment Technician Agricultural Equipment Technician Second Period Diesel Fuel Injection Systems and Tune-Up 190203c

Basic Fuel Injection System

Heavy Equipment TechnicianAgricultural Equipment Technician

Second Period

Diesel Fuel Injection Systems and Tune-Up

190203c

© Her Majesty the Queen in Right of the Province of Alberta by the Minister of Advanced Education. 1998

Figure 1 - Optimum crank angle.


Figure 2 - Change in timing with an increase in engine speed.


Figure 3 - Atomized injector spray.


Table 1 – Different methods of metering.


Figure 4 - Fuel spray penetration.


Figure 5 - Multi-plunger injection pump system.


Figure 6 - Fuel system with unit-type injectors.


Figure 7 - Fuel tank.


Figure 8 - Primary and secondary fuel filters.


Figure 9 - Combination primary filter and water separator.


Figure 10 - Transfer pump locations.


Figure 11 - Multi-plunger injection pump and high-pressure fuel lines.


Figure 12 - Hydraulic injection nozzles and unit injectors.

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Basic Fuel Injection System Heavy Equipment Technician Agricultural Equipment Technician Second Period Diesel Fuel Injection Systems and Tune-Up 190203c