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Posted inMarine diesel engine
Maintenance
Running checks should include: Gear box - oil level; inspect for leaks around casing; ensure pins…
Posted inMarine diesel engine
Gearing and tail shafts
Ships with low speed engines typically use direct drive from the crankshaft to the tail…
Posted inMarine diesel engine
Engine cooling
Marine cooling systems The purpose of a cooling system is to maintain a constant temperature…
Posted inMarine diesel engine
Diesel fuel systems
Direct supply A simple diesel fuel supply system is shown below. The fuel tank with…
Posted inMarine diesel engine
Fuel supply, injection and control
Petrol fuel systems Petrol engines use similar tank and supply arrangements to the diesel but…
Posted inMarine diesel engine
Engine protection – devices
In best practice vessels of the 25 metres class (80 tonne) will be fitted with…
Posted inMarine diesel engine
Operation of the turbo charger on a diesel engine
In a four stroke engine, exhaust gases flow from each cylinder into the exhaust manifold…
Posted inMarine diesel engine
Air supply
Turbo charging A turbo charger (sometimes called a turbo blower) can be fitted to both…
Posted inMarine diesel engine
Firing Order
Most marine engines have several cylinders for more power and smoothness. (The cylinders are identified…
Posted inMarine diesel engine
Timing – valves, injection and ignition
Diesel engines Timing methods vary widely in different engine designs, but all must be set…