The measuring points, code FK0831.0, play a crucial role in the routine monitoring and diagnostics of the MAN L21/31 engine. Strategically located across the engine’s mechanical system, these points allow technicians to gather essential data such as temperature, pressure, vibration, or wear indicators during operation. By facilitating early detection of irregularities, these measuring points contribute to preventative maintenance, reduced downtime, and extended engine life, making them indispensable in marine and industrial applications.