-
Define the principles of hydraulics
Assessment Strategies
showing where and how principles are being applied on actual or simulated hydraulic systems
by creating a table that defines the terms that make up the language of hydraulics
Criteria
apprentice can cite a principle of hydraulics for an instructor directed situation in a hydraulic system
the table includes a column listing common hydraulic terms
the table includes a column showing definitions for each hydraulic term
-
Interpret hydraulic schematic diagrams
Assessment Strategies
by creating a sketch with circuit parameters provided by the instructor
Criteria
apprentice correctly recognizes hydraulic symbols
apprentice recognizes the difference between hydraulic, pneumatic, and electrical symbols
apprentice interpretation includes identification of the component function
the sketch has the correct symbol depicting the correct component
the sketch depicts a "workable" hydraulic circuit
the sketch shows electrical inputs and controls
-
Analyze the function of hydraulic system components
Assessment Strategies
examining a variety of components provided by the instructor
Criteria
apprentice differentiates between various hydraulic components
apprentice explains the function of common hydraulic components
apprentice identifies typical applications of common hydraulic components
apprentice can locate and explain electrical inputs to a hydraulic control as applicable
-
Explain the functions of the following valves: direction control, check, pressure relief, pressure reducing and flow control
Assessment Strategies
by creating a written explanation of the function of each valve presented by the instructor
Criteria
apprentice written explanation of the function of each type of valve is correct
apprentice written explanation identifies typical applications for each valve type
apprentice written explanation describes location of electrical inputs to a hydraulic valve as applicable
apprentice written explanation describes the operation of electrical inputs to a hydraulic valve as applicable
-
Apply troubleshooting principles to hydraulic systems
Assessment Strategies
by documenting specific faults and their fixes for a hydraulic component in a system schematic
Criteria
apprentice can locate, or describe exactly how to locate, manufacturer's 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 electrical inputs to a hydraulic system
apprentice matches problems with remedies for inoperative systems
apprentice explains repair test procedure for the electrical parts of the component as applicable
apprentice provides an accurate description of repair procedure including references and tools required to repair or replace the component