Agricultural Equipment Technician 20, 30

(a)	Identify and follow safe work practices in dangerous situations (e.g., shock hazards, hot and sharp surfaces and moving parts) when working with small engines, including maintaining a clean and organized work area.
(b)	Explain the working principles of an internal combustion engine.
(c)	Differentiate between the operation of 2-stroke and 4-stroke engines.
(d)	Explain the construction and function of the 5 C’s (i.e., camshaft, connecting rod, crankshaft, cylinder block and cylinder head) of major engine subassemblies
(e)	Describe how improper cooling and lubrication can cause engine failure.
(f)	Identify specialized measuring equipment used to measure specific engine parts (e.g., pistons, cylinders and cam shaft).
(g)	Define and determine engine measurements (e.g., clearance, out of round and taper) that are used to assess an engine.
(h)	Explain how repair manuals are used to disassemble, repair and reassemble engines.
(i)	Demonstrate how to disassemble and reassemble an operational small engine.
(j)	Verify correct assembly by following manufacturer’s procedures to start, run and stop a small engine.