MAIN ENGINE PRE HEATING PUMP (solved))

HOW TO OVERHAUL FIRE PUMP...https://www.youtube.com/watch?v=7-ZHpohRZ4k
Main Engine Preheating Pump
Main engine preheating pump is only in operation when the main engine is not running.
The purpose of this system is to keep a constant, high temperature in the main engine in order to avoid unnecessary heat and cold contractions and those keep the engine ready to run at all times.

Fitter on ship and gives ideas for pipe fabrication, welding techniques, overhauling ship machineries ether mechanical or electrical drive , and also lathe machine on how to operates and making various job specially on threading jobs, making flanges, pumps bushing etc. .air condition technician and pipe fitters, making elbows in different degrees and reducer eccentric and concentric and metal fabrication, such as air duct, air venting mushroom and various modification

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