Electric Motor Maintenance Procedure Every ship runs on dozens of electric motors quietly doing work nobody thinks about until one stops  pumps, fans, purifiers, steering gear, winches. Most of them never

Purifier Overhaul Procedure A purifier does its job at extreme speed; the bowl spins somewhere in the range of 8,000 to 10,000 RPM depending on make and model, driven from a

Principle of Purifier A purifier looks, from the outside, like a box bolted to the engine room floor. What’s actually happening inside :  It’s separating oil from water and solid contaminants

Auxiliary Engine Piston The auxiliary engine doesn’t get the same attention as the main engine, but ask any engineer who’s had a generator trip on load why, and the piston is

Fuel Pump Index Method & Turbocharger Speed Method Introduction Monitoring the performance of a marine diesel engine is essential for ensuring efficient combustion, maintaining engine reliability and detecting abnormal operating conditions

Types of Power in Marine Engines Introduction Power is one of the most important parameters used to evaluate the performance of a marine engine. It indicates the rate at which an

Specific Cylinder Oil Consumption in Marine Engines Introduction The Specific Cylinder / lube Oil Consumption (SLOC) is an essential indicator of the engine’s lubrication regime. The consumption level should be controlled

Tappet Clearance in Ships One specific measurement that gets checked on every unit, every overhaul, without exception: tappet clearance. It looks like a small thing. A tiny gap, measured in fractions

Drinking Water on Ships A ship can carry enough fuel, food, and spare parts for a long voyage, but water is different: people need it every single day, for drinking, cooking,

Indicator Diagrams on Ships Ask any marine engineer what tells you the real story of what’s happening inside a cylinder, not what the gauges say, not what the manual predicts, but

Marine Boiler Burners Ask a boiler operator what fails most often on the auxiliary boiler, and mostly, the answer comes back to the burner. Not the shell, not the tubes, the

Compressor Overhauling Introduction A compressor is an essential auxiliary machine on board a ship. Compressed air is required for starting the main and auxiliary engines, operating various pneumatic devices, as well

Types of Boilers A boiler is a closed pressure vessel in which water is heated and vaporized by means of a suitable heat source. The steam produced by the boiler may

Emergency Exit on a Ship An emergency exit on a ship is a specific route/door for exiting a space in case of an emergency such as fire, flooding, machinery failure etc.

Bumping Clearance Introduction In marine diesel engines, the clearances between the running parts are of great importance, and one of them is bumping clearance. Bumping clearance is the clearance between the

Cooling Water Test: Parameters, Procedure and Importance Introduction Testing of cooling water is one of the significant routine activities that are carried out on ships. This includes checking the condition of