Turbocharger is an integral part of the ship’s marine engine as it reuses the exhaust gases in order to increase the overall efficiency of the engine. It consists of two parts – blower and turbine sides, which need equal attention while carrying out routine maintenance procedures.
Mentioned below are ten points that must be considered while handling turbochargers in ship’s engine room. 继续阅读“Turbocharger Maintenance”
Generator inlet and exhuast valve &seat ring repalcement need proceed properly with manual procedure which often be ignored by engineers, Here follow is one case we workshop ever done for WARTSILA Generator for engineer reference.
1 Removal of the old ring
The exhaust seat ring can most conveniently be removed hydraulically
valve can be used.
1 Fit a scrapped valve to the seat and weld it to the seat by means of electric beam welding. Preferably the valve disc
should be machined to proper size to get a better welding. 继续阅读“How to change generator exhaust valve seat ring”
Marine Engine Repair is one of the most important tasks carried on board a ship. It involves repairing and carrying out of routine maintenance tasks on the marine engine of the ship. The repairs are generally carried out by marine engine mechanics, famously known as marine engineers.
Need of Marine Engine Repair 继续阅读“Main Engine Regular Overhauling Procedure”
Today modified the Aux boiler feed water pumps control box by PLC module.
The original box was composed by 6 pcs contactors & 2 pcs timer delay, but the dwg was not reasonable via one of the pumps stops, the timer delay still works.so the feed pump has to stop after 20 seconds later.
继续阅读“Simply PLC Apps in Boiler Auto Control”
Nakakita Temp controller repair/service
1: Nakakita Temper controller features
Nakakita Temper controller is designed by Japanese Nakakita Seisakusho Company based pneumatic .this simple but reliable and easy-operated instrument was used on most of vessels for M/E jacking high-temp cooling water,l.O temper as even as purifiers heater temp control.
继续阅读“How to repair Nakakita temp controller”