| 摘要 |
PURPOSE:To avoid a damage of an engine by alarming the abnormality of the engine so that it is incapable of being restarted so long as the abnormality is not recovered. CONSTITUTION:When the amount of a lubricating oil is sufficient, a sparking circuit is closed by closing an ignition switch, a sparking is performed and the engine is started. When the amount of the lubricating oil is decreased below an oil level L2, a switch S1 is closed by means of a magnet 6 in a float 7. Thereby the alarm is actuated. According to the alarm, the ignition switch is opened and the engine is stopped. The engine can not be restarted unless the lubricating oil is supplied. |
