10070245Advanced Powertrain
Course Information
Description
The course covers the operation, power flow, diagnosis and servicing of partial and full power shift transmissions, IVT/CVT transmission.
Total Credits
3
Course Competencies
  1. Demonstrate safe work habits while in a shop environment
    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. Explain electronically transmission theory of operation
    Assessment Strategies
    Test
    Criteria
    Explain how forward and reverse is achieved
    Explain what parts are used for speed changes
    Identify input(s) of the transmission
    Identify output(s) of the transmission
    Explain the operation of a final drive

  3. Identify electronically controlled transmission types
    Assessment Strategies
    Presentation
    Criteria
    Determine if the transmission is a gear type
    Determine if the transmission is of partial powershift
    Determine if transmission is of full powershift
    Explore how to identify a hydrostatic transmission
    Identify a continuously/infinitely variable transmission

  4. Identify electronically controlled transmission parts and components
    Assessment Strategies
    Test, Scenario
    Criteria
    Identify parts of a wet disk clutch pack
    Describe how oil flows to pressurize a clutch pack

  5. Remove and replace tractor transmissions
    Assessment Strategies
    Skill demonstration in lab
    Criteria
    Use lab tools and jacks
    Use tractor technical manual
    Install disassembly equipment per instructions
    Disconnect hydraulic lines, electrical wires, and mechanical linkages per specifications
    Remove bolts holding housings together

  6. Remove, inspect, recondition and replace tractor wet disk clutch components
    Assessment Strategies
    Test, Scenario
    Criteria
    Determine reusability of parts in a wet disk clutch pack
    Use technical information to find specifications
    Measure using precision tooling to determine if a component is in or out of spec

  7. Remove, inspect, and rebuild electronically controlled partial powershift/full powershift transmissions
    Assessment Strategies
    Written exam for transmissions
    Criteria
    Use instructions found in the technical information
    Disassemble and reassemble lab or live electronically controlled partial/full power shift transmission
    Summarize the operation and power flow of the partial/full electronically controlled powershift transmission
    Remove transmission gears, bearings, clutches, brakes, hydraulic and electrical/electronic controls
    Replace transmission gears, bearings, clutches, brakes, hydraulic and electrical/electronic controls

  8. Remove, inspect and rebuild electronically controlled continuously/infinitely variable transmission (CVT, IVT, Vario)
    Assessment Strategies
    Written exam for transmissions
    Criteria
    Use instructions found in the technical information
    Disassemble and reassemble lab/live electronically controlled continuously/infinitely variable transmission per instructions
    Summarize the operation and power flow of the electronically controlled continuously/infinitely variable transmission test
    Remove transmission gears, bearings, clutches, brakes, hydraulic, hydrostatic and electrical/electronic controls
    Replace transmission gears, bearings, clutches, brakes, hydraulic, hydrostatic and electrical/electronic controls

  9. Remove, inspect, and reassemble tractor final drives
    Assessment Strategies
    Skill demonstration in lab
    Criteria
    Disassemble and reassemble final drive
    Set up differential gears and bearings according to specifications
    Disassemble final drive components
    Reassemble final drive components
    Explore the workings and components of a driveshaft
    Determine different types of universal joints
    Remove and install a universal joint cross and bearing assembly
    Explain the difference between single reduction and double reduction final drive
    Performance meets instructions and specifications found in technical information

  10. Perform electronically controlled partial powershift, full powershift transmission and CVT/IVT hydraulic, electronics and electrical tests
    Assessment Strategies
    Skill demonstration in lab
    Criteria
    Install pressure gauges and perform transmission pressure tests
    Compare pressure test results to technical manual diagnostic flowchart
    Perform electronic system tests and investigate any codes
    Perform electrical system tests and compares voltages to specifications