10070145Basic Powertrain
Course Information
Description
The course covers the operation, power flow, diagnosis and servicing of collar shift, synchronized transmissions, drive axles, and differentials. The class also discusses the operation and service of wet and dry clutches, power take off (PTO) drives and mechanical front wheel drives.
Total Credits
3
Course Competencies
  1. Practice safe working habits when working with hand tools, power tools and lifting equipment
    Assessment Strategies
    Skill demonstration in shop
    Criteria
    Wear steel-toed shoes, safety glasses, long sleeved top, uniform type pants or jeans
    Clothing is not loose or ripped
    Jewelry does not interfere with shop tasks
    Hair is tied back to prevent accident with moving equipment
    Clear shop area for safely raising and supporting vehicle or equipment
    Identify safety items and hazards

  2. Identify transmission type
    Assessment Strategies
    Skill Demonstration
    Criteria
    Identify type of transmission
    Locate specific information, as specified by the instructor, about equipment transmissions in technical information
    Use technical manual

  3. Identify transmission parts and components
    Assessment Strategies
    Skill Demonstration, Quiz and/or Test, Verbal Response
    Criteria
    Tractor and equipment transmission components and parts are accurately identified
    Interpret part drawings for specific transmissions

  4. Explain transmission theory of operation
    Assessment Strategies
    Quiz and/or Test
    Criteria
    Interpret transmission diagrams and cutaways
    Explain operation of manual transmission
    Explain operation of power shift transmission
    Explain operation of final drives and M.F.W.D.

  5. Perform precision measurements
    Assessment Strategies
    Skill Demonstration, Quiz and/or Test
    Criteria
    Use micrometers, dial indicators, scales and other measuring tools
    Use micrometers depth gauges.
    Use dial indicators
    Part dimensions are measured to an accuracy of .001 inches
    Compare part dimensions to specifications
    Measure both new and used transmission components

  6. Remove and replace equipment transmissions
    Assessment Strategies
    Skill Demonstration
    Criteria
    Disassembly equipment is installed per instructions
    Use jacks
    Disconnect hydraulic lines, electrical wires, and mechanical linkages as specified by the instructor
    Remove bolts holding housings together
    Use technical manual

  7. Remove, inspect, recondition and replace engine/pto clutch
    Assessment Strategies
    Skill Demonstration
    Criteria
    Summarize how a clutch transmits power
    Explain how clutch operating systems function
    Operate the clutch
    Diagnose clutches and clutch operating mechanism
    Remove clutches and clutch operating mechanism
    Replace clutches and clutch operating mechanism
    Repair clutches and clutch operating mechanism
    Adjust clutches and clutch operating mechanism
    Maintain clutches and clutch operating mechanism
    Adjustments are made according to technical information criteria and/or instructor specifications

  8. Remove, inspect, and rebuild manual transmissions
    Assessment Strategies
    Skill Demonstration
    Criteria
    Summarize the operation and power flow of manual shift transmissions
    Identify basic parts of manual transmissions
    Diagnose transmissions gears, bearings, and controls
    Remove transmissions gears, bearings, and controls
    Replace transmissions gears, bearings, and controls
    Adjust transmissions gears, bearings, and controls
    Adjustments are made according to technical information criteria and/or instructor specifications

  9. Remove, inspect, and rebuild powershift transmissions
    Assessment Strategies
    Skill Demonstration, Quiz and/or Exam
    Criteria
    Summarize the operation and power flow of the powershift transmission on powershift transmission test
    Identify the basic component parts of the power shift transmission test
    Remove transmission gears, bearings, clutches, brakes, hydraulic and electric controls
    Replace transmission gears, bearings, clutches, brakes, hydraulic and electric controls
    Adjustments are made according to technical information criteria and/or instructor specifications

  10. Remove, inspect, and reassemble final drive components
    Assessment Strategies
    Skill Demonstration
    Criteria
    Identify final drive components
    Set up differential gears and bearings according to specifications
    Disassemble final drive components
    Reassemble final drive components
    Adjustments are made according to technical information criteria and/or instructor specifications

  11. Perform gear type and basic powershift transmission hydraulic and electrical tests
    Assessment Strategies
    Skill Demonstration
    Criteria
    Compare test results to technical information
    Compare voltages to specifications
    Adjustments are made according to technical information criteria and/or instructor specifications