Official Course Description: MCCCD Approval: 07/22/08
AUT116 19946-20086	LEC	3 Credit(s)	3 Period(s)
Diesel Cooling and Lubrication Systems
Functions, operation, and maintenance of diesel engine cooling and lubricating systems. Prerequisites: None.
Cross-References: DIE116

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MCCCD Official Course Competencies:
AUT116   19946-20086	Diesel Cooling and Lubrication Systems

1.	Identify characteristics and uses of diesel engines. (I)
2.	Identify common causes of engine overheating. (II)
3.	Identify common causes of engine overcooling. (III)
4.	Describe the structure and operation of main parts and systems of diesel engines. (IV)
5.	Explain basic principles of engine lubrication. (V)
6.	Identify major components involved in the process of engine lubrication. (VI)
7.	List and define the properties of lubricating oils. (VII)
8.	Explain the effect of cooling characteristics on an engine's power rating. (VIII)
9.	Describe the purpose, components, and operation of air intake systems. (IX)
10.	Describe the purpose, components, and operation of lubricating systems used in large engines. (X)
11.	Identify and explain the operation of various types of cooling temperature controls. (XI)
12.	Describe the purpose, types, operation, and maintenance of alarm and shutdown systems. (XII)
13.	Explain normal operating procedures for diesel engines. (XIII)

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MCCCD Official Course Outline:
AUT116   19946-20086	Diesel Cooling and Lubrication Systems

I. Features of a Diesel Engine A. Distinguishing characteristics B. Uses C. Engine operation D. Advantages E. Disadvantages II. Engine Overheating A. Malfunctioning components B. External leakage C. Internal leakage D. Rust deposits E. Heat cracks F. Exhaust gas leakage G. Air suction H. Clogging air passages I. Stuck thermostat J. Sludge formation in oil K. Transmission oil cooler L. Heat damage M. Hose failure N. Worn fan belt O. Pressure cap leakage III. Engine Overcooling A. Malfunctioning components B. Thermostat problems C. Shutter problems D. Radiator problems E. Fan problems IV. Engine Structure and Requirements A. Heat B. The four-stroke cycle engine C. The two-stroke cycle engine D. Main parts and systems of diesel engines 1. Engine head 2. Engine block V. Principles of Lubrication A. Friction B. Cohesion and adhesion C. Functions of engine oils D. Oil deterioration E. Outside contamination F. Solving the lubrication problem VI. Diesel Engine Lubrication Systems A. Lubrication of engine components B. Positive displacement gear type pump C. Oil manifold and rocker arm shaft D. Piston cooling E. Crankshaft VII. Properties of Lubricating Oils A. Viscosity B. Carbon residue C. Pour point D. Flash point E. Water and sediment F. Acidity or neutralization number G. Precipitation number H. Gravity I. Color VIII. Cooling Limit Power Rating A. Effects on horsepower rating B. Increasing engine power C. Engine rating IX. Air Intake Systems A. Purpose B. Components C. Piping D. Air Cleaners or Filters E. Scavenging F. Supercharging X. Lubricating Systems (Large Engine) A. Space B. Lubricating oil storage C. Wet and dry sumps D. Mechanical forced feed lubricators E. Oil storage tanks F. Oil coolers G. Lubricating oil treatment XI. Cooling Temperature Controls A. Thermostatically controlled shutters B. Thermostatically controlled hydraulic driven fan C. Thermostatic valve D. Bypasses XII. Alarm and Shutdown Systems A. Types of safety devices B. Types of warning C. Shutdown systems D. Inspection, testing, and maintenance E. Electrical alarm systems F. Shutdown methods XIII. Engine Operation and Maintenance A. Operating procedures B. Normal operation C. Performance records D. Maintenance

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