This figure is shown in parts of the engine.	This figure is shown in parts of the engine too.	First, a crank case is assembled. In the case of assembling the crank mechanism, we must care no strange fricsion.	Next, ball bearings and bearing covers are installed.
Position of the Scotch-yoke mechanism is adjusted, and put in a crank shaft.	Next, a mechanical seal is installed.	The crank mechanism is completed.	A flywheel is installed.
A cylinder of a power piston is installed. The cylinder is made of cast iron.	A cooler is installed.	Next, a displacer piston is assembled. In this photograph, a conventional piled mesh is putting in the displacer piston.	The displacer piston is assembled as shown in this photograph.
The displacer piston is installed.	At the end, a cylinder of the displacer piston is installed.	The Ecoboy-SCM81 is completed. This engine has a simple construction and easy assemble.