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Demonstrate safe work habits when working on tractor and machine hydraulic systems
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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Solve mathematical problems of hydraulic systems
Assessment Strategies
Skill demonstration in shop, Test, Scenario
Criteria
Apply Pascal’s law to explain why hydraulics behave as they do
Assemble a hydraulic circuitry on a trainer to prove the hydraulic law’s
Explain basic hydraulic principles and fundamentals, advantages of hydraulics, pressure/force/area, horsepower, velocity/speed
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Explain hydraulic safety, hazardous inventories, container warning labels, and handling of hazardous materials
Assessment Strategies
Test, Scenario
Criteria
Interpret information from a material safety data sheet (MSDS)(GHS) accurately
Explain the term and purpose of a hazardous material inventory roster
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Interpret hydraulic system schematics
Assessment Strategies
Test, Scenario
Criteria
Use a schematic symbol sheet with a hydraulic machine schematic
Identify the given components
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Summarize hydraulic construction and operation of pumps, valves and actuators
Assessment Strategies
Skill demonstration in shop
Criteria
Determine if hydraulic system is open or closed center
Identify what type of safeguard(s) the system employs
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Identify location of hydraulic system components on Equipment
Assessment Strategies
Test, Scenario
Criteria
Interpret service manuals
Identify specific procedures within service and parts manuals
Items located in the manual correctly identify general information, technical Information, specifications, and parts information
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Disassemble and reassemble pumps, cylinders and other selected hydraulic components
Assessment Strategies
Skill demonstration in shop
Criteria
Disassemble a pressure and/or flow compensated pump
Use technical information for proper procedures and specifications
Reassemble pump(s) per instructor guidelines
Test pump(s) per instructor guidelines
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Install gauges and perform system tests
Assessment Strategies
Skill demonstration in shop
Criteria
Select correct tool(s) for the test which will not damage the tooling or machine
Operate system
Interpret results from test equipment including digital pressure gauges
Complete a hydraulic system test sheet
Determine cause of problem in the system
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Perform hydraulic flow test on selected equipment
Assessment Strategies
Skill demonstration in shop
Criteria
Describe the purpose of a flow test
Use flow test tools effectively
Monitor the flow meter readings
Determine if the system passes or fails