Lifeboat Engine- working,fuel system, Cooling system,maintenance скачать в хорошем качестве

Lifeboat Engine- working,fuel system, Cooling system,maintenance

The lifeboat is fitted with a marine diesel engine. Usually air-cooled or water-cooled (keel cooling) type. It is a 4-stroke, single-cylinder or multi-cylinder, non-reversible engine. Power transmitted directly to a fixed pitch propeller. Starting Method: Manual crank, spring starter, or battery electric start. Some engines have compressed air start (less common). Fuel Used: Marine gas oil or diesel. Fuel tank painted white to avoid solar heating and vapour formation. Sufficient fuel to run for 24 hours at 6 knots, as per SOLAS/LSA Code. Cooling System: Most are keel-cooled systems (closed loop using hull-mounted pipes). Avoids seawater contamination. Lubrication System: Splash type or wet sump lubrication. Oil level to be checked during weekly maintenance. Maintenance (Weekly Checks): Check fuel level. Run engine for at least 3 minutes. Check oil level. Observe abnormal sound or smoke. Check battery voltage (if electric start). Drain water from fuel filter if required. Safety Features: Air intake shutdown flap (in case of runaway). Engine governor to prevent overspeed. Fire protection: engine enclosure and cooling/sprinkler system. Engine Endurance (SOLAS Requirement): Run continuously for 24 hours at minimum speed of 6 knots. Should start within 2 minutes at -15°C.