Combustion Process and Starting Aids Heavy Equipment Technician Agricultural Equipment Technician...

Combustion Process and Starting Aids

Heavy Equipment TechnicianAgricultural Equipment Technician

Second Period

Diesel Fuel Injection Systems and Tune-Up

190203b

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

Figure 1 - Ratio of air to diesel fuel.


Figure 2 - The stages of combustion in a diesel engine.


Figure 3 - White exhaust smoke.


Figure 4 - Black exhaust smoke.


Figure 5 - Blue exhaust smoke.


Figure 6 - Sources of pollution. (Courtesy Toyota Canada Inc.)


Figure 7 - Complete Combustion.


Figure 8 - Pollutants formed by combustion.


Figure 9 - Use an exhaust ventilation system when running engines indoors


Figure 10 - Open combustion chambers.


Figure 11 - Piston “squish” principle.


Figure 12 - Directional intake port creates turbulence.


Figure 13 - Intake ports in two-stroke cycle cylinder liner are cut on an angle to create turbulence.


Figure 14 - Precombustion chamber.


Figure 15 - Intake manifold heater and related components.


Figure 16 - Glow plug system.


Figure 17 - Glow plug construction.


Figure 18 - Immersion type coolant heater.


Figure 19 - Electric element circulating type coolant heater.


Figure 20 - Fuel fired coolant heater.


Figure 21 - Immersion type oil pan heater.


Figure 22 - Fuel heater.


Figure 23 - Starting fluid injection kit.

Combustion Process and Starting Aids Heavy Equipment Technician Agricultural Equipment Technician...

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