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MEC2030 Lubrication & Cooling

Intermediate · 1 credit · TMT - Trades, Manufacturing and Transportation

Description
Students diagnose, maintain and service the lubrication and cooling systems of a typical four-cycle gasoline engine.
Prerequisite
MEC1040: Engine Fundamentals
Parameters
Access to a pressure tester, hand tools and related resources.

Outcomes The student will:

  • 1 demonstrate safe work practices when working with vehicle engine fluids

    • 1.1 identify the hazards associated with ethylene glycol

    • 1.2 demonstrate knowledge of and follow all safety procedures associated with hot fluids and fluids under pressure

    • 1.3 collect and dispose of all hazardous fluids in the appropriate manner

    • 1.4 remove all spills from work area

  • 2 identify and describe functions and operations of engine cooling and lubrication system components

    • 2.1 identify the multiple tasks performed by the lubrication system

    • 2.2 describe the properties of engine oils intended for use in a late model engine

    • 2.3 interpret the meaning of the American Petroleum Institute (API) and Society of Automotive Engineers (SAE) symbols and viscosity numbers used on oil containers

    • 2.4 describe the design and operation of:

      • 2.4.1 a gear and rotor-type oil pump

      • 2.4.2 a pressure regulator or relief valve

      • 2.4.3 an oil pressure sensor gauge or indicator

      • 2.4.4 an oil level and change indicator

    • 2.5 identify possible causes of low/high oil pressure and high levels of oil consumption under normal operating conditions

    • 2.6 explain the function of the cooling system

    • 2.7 describe the relationship between the percentage of antifreeze and water to the coolant’s freezing and boiling points

    • 2.8 identify the most appropriate percentage of antifreeze to meet local conditions

    • 2.9 describe the design and operation of a:

      • 2.9.1 radiator and cap

      • 2.9.2 fan

      • 2.9.3 thermostat

      • 2.9.4 hose

      • 2.9.5 water pump

      • 2.9.6 recovery tank

      • 2.9.7 block heater

    • 2.10 identify possible causes for engine overheating or running cold under normal operating conditions

  • 3 diagnose and correct lubrication and cooling system faults

    • 3.1 demonstrate how to:

      • 3.1.1 inspect engine for oil leaks owing to gasket/seal failure

      • 3.1.2 replace seal/gaskets, if necessary

      • 3.1.3 disassemble and inspect a gear or rotor pump for pitting and galling or abnormal wear

      • 3.1.4 test oil pressure sensor and gauge/light circuit; service, if necessary

      • 3.1.5 test temperature sensing system; service, if necessary

      • 3.1.6 inspect hoses for cracks, soft spots and leaks; replace, if necessary

      • 3.1.7 test thermostat; replace, if necessary

      • 3.1.8 inspect water pump for leaks and bearing condition

      • 3.1.9 inspect radiator fan

      • 3.1.10 inspect radiator for leaks and blockages; replace, if necessary

      • 3.1.11 check condition and tension of fan belt; replace, if necessary

  • 4 demonstrate basic competencies

    • 4.1 demonstrate fundamental skills to:

      • 4.1.1 communicate

      • 4.1.2 manage information

      • 4.1.3 use numbers

      • 4.1.4 think and solve problems

    • 4.2 demonstrate personal management skills to:

      • 4.2.1 demonstrate positive attitudes and behaviours

      • 4.2.2 be responsible

      • 4.2.3 be adaptable

      • 4.2.4 learn continuously

      • 4.2.5 work safely

    • 4.3 demonstrate teamwork skills to:

      • 4.3.1 work with others

      • 4.3.2 participate in projects and tasks

  • 5 identify possible life roles related to the skills and content of this cluster

    • 5.1 recognize and then analyze the opportunities and barriers in the immediate environment

    • 5.2 identify potential resources to minimize barriers and maximize opportunities

Program of Studies 2009. Source document, © Alberta Education.