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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
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Perform engine overhead adjustments
Assessment Strategies
Skill demonstration in shop, Written Product (work order) and/or Quiz
Criteria
Follow manufacturers’ procedures and specifications
Select the tool that best corresponds with the task
Record measurements and necessary techniques turned in via repair order
Valve bridges (crossheads) are adjusted properly
Valve clearances are adjusted properly
Injector settings are adjusted properly
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Diagnose cause of air in fuel system
Assessment Strategies
Skill demonstration in shop, Written Product (work order) and/or Quiz
Criteria
Follow manufacturers’ procedures and specifications
Locate the root cause of failure (location of air intrusion in system)
Prime and bleed fuel system to remove air
Determine repair strategy
Repair is effective and engine runs on its own power
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Diagnose cause of electronic unit injector fuel systems failure
Assessment Strategies
Skill demonstration in shop, Written Product (work order) and/or Quiz
Criteria
Utilize factory manual to determine inspection criteria.
Use Original Equipment Manufacturers (OEM) software for tests
Follow manufacturers’ procedures and specifications
Locate the root cause of failure (location of air intrusion in system)
Prime and bleed fuel system to remove air
Determine repair strategy
Recalibrate engine control module if needed
Repair is effective and engine runs on its own power
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Remove and install electronic unit injectors (EUI) and related components
Assessment Strategies
Skill demonstration in shop, Written Product (work order) and/or Quiz
Criteria
Utilize factory manual to determine inspection criteria
Use proper service tools to perform removal and installation
Use Original Equipment Manufacturers (OEM) software for injector calibration
Recalibrate engine control module if needed
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Perform inspections and tests on high pressure common rail (HPCR) type fuel injection systems
Assessment Strategies
Skill demonstration in shop, Written Product (work order) and/or Quiz
Criteria
Depressurize the system for service according manufacturers’ procedures and specifications
Select the tool that best corresponds with the task
Inspect high pressure injection lines, hold downs, fittings and seals; determine needed action
Utilize factory manual to determine inspection criteria
Follow manufacturers’ procedures and specifications
Determine needed action
Perform repair (if needed)
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Describe local, state and federal regulations governing diesel fueled engine emission certifications for off-highway applications
Assessment Strategies
Quiz
Criteria
Identify local, state and federal regulations
Define terms and concepts conveyed in local, state and federal regulations
Examine emission limits as stated in the Wisconsin State Legislature administrative code
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Describe operating principals of various emission functions on diesel fueled engines
Assessment Strategies
Quiz, Written Product
Criteria
Analyze data from the OEM software
Use results of OEM to determine next steps
Verify engine functions to control exhaust emissions
Analyze the engine operating conditions and byproducts of combustion
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Analyze the engine and aftertreatment components to determine their reusability
Assessment Strategies
Skill demonstration in shop
Criteria
Determine the condition and needed repair of the engine and aftertreatment components
Repair the engine and aftertreatment components back to OEM specifications
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Interpret OEM display (such as check engine light)
Assessment Strategies
Quiz, Presentation
Criteria
Explain the process of engine derate
Identify the level of severity of engine derate
Describe the impact of continued use of the engine by the operator
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Diagnose diesel engine emission system complaints
Assessment Strategies
Skill demonstration in shop
Criteria
Verify customer complaint
Determine which OEM service software will be used
Connect software to the equipment
Monitor and test the engine and emission control system
Calibrate diesel engine emission system components if needed
Gather data from OEM service software and diagnostic test equipment
Use tech manual if needed
Analyze your data and determine needed repairs of the engine and emission control system