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Define the principles of hydraulics
Assessment Strategies
on actual or simulated hydraulic systems
showing where and how principles are being applied
Criteria
apprentice shows where formulas would apply in given real system problems
apprentice uses the correct hydraulic terms
apprentice can cite a principle for a given situation in a hydraulic system
apprentice relates a principle to where it is working in a system
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Interpret hydraulic schematic diagrams
Assessment Strategies
using references used in the field
on a sketch (using a symbol template) with circuit parameters provided by the instructor
Criteria
apprentice correctly recognizes fluid power symbols
apprentice recognizes the difference between hydraulic and pneumatic symbols
apprentice interpretation includes identification of the component function
apprentice interpretation includes describing the component function
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Analyze the function of hydraulic system components
Assessment Strategies
using references used in the field
examining a variety of components provided by the instructor
Criteria
apprentice differentiates between different components
apprentice explains the function of common hydraulic components
apprentice identifies typical applications of common hydraulic components
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Apply troubleshooting principles to hydraulic systems
Assessment Strategies
using references used in the field
documenting specific faults and their fixes for a hydraulic component in your system layout
using an instructor developed, written description of a breakdown of a specific hydraulic component
Criteria
apprentice can locate, or describe exactly how to locate, manufacturers troubleshooting references for hydraulic components
apprentice gives a clear explanation of what a selected hydraulic component does and how it operates
apprentice identifies exactly what is, or what would happen for a specific component malfunction
apprentice lists possible causes for a fault and isolates or shows how they would isolate a fault of a component
apprentice explains the methods and where to measure pressure in a hydraulic system
apprentice explains the methods and where to measure flow rates
apprentice diagnoses seal, packing and gasket leakage problems
apprentice matches problems with remedies for inoperative systems
apprentice explains repair test procedure for the component
apprentice documents or provides through explanation of documentation procedures
apprentice provides an accurate description of repair procedure including references and tools required to repair or replace the component
apprentice complies with safety precautions at each phase of the troubleshooting process
apprentice describes the safety hazards related to the operation of hydraulic components
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Remove construct and install conductors and connectors
Assessment Strategies
removing connectors and conductors
installing connectors and conductors
given manufacturers technical publications
Criteria
apprentice identifies symbols for connectors and conductors without error
apprentice describes the use of different types of conductors and connectors for a given system
apprentices constructs and installs conductors that meet manufacturer specifications when completed
apprentice explains the install procedure for each type of common hydraulic connectors and conductors
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Repair hydraulic components
Assessment Strategies
using references used in the field
rebuilding a component
replacing a seal on a hydraulic component
replacing a packing on a hydraulic component
replacing a gasket on a hydraulic component
Criteria
apprentice installs the seal, gasket, or packing on a component that meets the checklist provided by the instructor
apprentice differentiates between seals, packings, and gaskets without error
apprentice selects proper lubricant or no lubricant - as required
hydraulic component does not leak, or leaks within tolerance after servicing
hydraulic component functions according to specifications after servicing
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Select hydraulic fluids
Assessment Strategies
selecting fluid for a specific hydraulic system
differentiating between several different types of fluids
provided manufacturers technical references for various types of fluids
Criteria
apprentice selects the correct fluid every time
apprentice determines that the fluid is fresh
apprentice identifies contaminated fluid every time
apprentice uses procedures to avoid contamination
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Perform preventive maintenance on hydraulic systems
Assessment Strategies
using references used in the field
completing a typical Preventative Maintenance (PM) task for a common hydraulic system component
Criteria
apprentice lists the steps to be performed for general maintenance of each hydraulic system component
apprentice lists the steps to be performed for general maintenance of the hydraulic system as a whole
apprentice specifies how to deal with the lock out tag out and system interlocks, etc.
apprentice completes inspection, servicing, testing and reconditioning tasks
apprentice identifies the frequency of the tasks ie., (daily, every other day, weekly, monthly, yearly, etc.)
apprentice follows the manufacturer's recommended maintenance requirements