a.Close drainage valve (See Fig.1-14)and air supply value (Fig.1-12). Check if the reading of pressure gauge (Fig.1-14 ) is below 6 bar. Turn the operation handle of pressure switch to “ON” (Fig.1-9 ) the machine will start immediately. The reading of pressure gauge will slowly rise with increasing pressure inside the air tank. When the reading of pressure gauge reaches 8 bar, pressure switch activates, the power supper is cut off, machine stops running. At the same time the solenoid valve(See Fig.1-11) activates to release high pressure in the cylinder of compression machine so that the machine can be started again;