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Common ship mechanical failures and their treatment measures in ship inspection Part 1

2023-01-06

 1. Lack of backup oil pump solution
For ships lacking oil pump sets, ship companies should be asked to install spare oil pump sets in time.
Isolate the faulty oil pump set to transfer the system to the working oil pump set, and use independent operation mode to manage the emergency system.
 
2. Measures to solve ship rudder failure
When the ship does not have a backup oil pump, the ship is prone to rudder failure in an emergency.
The effective measures to solve the ship's rudder failure are to equip a suitable spare oil pump and set up a reasonable control management system to avoid the failure of the rudder failure.
The oil pump control system can effectively manage and control the oil pump, and when the oil pump fails, it will automatically cut off the connection between the reversing rudder and the oil pump, so that the spare oil pump can be started and used, and the faulty oil pump can be repaired and maintained at a suitable place to avoid the occurrence of oil pump failure. Other problems, so as to ensure the normal navigation of the ship and ensure the safety of the ship's machinery and equipment as well as personnel and property.
 
3. The solution to the failure of the ship's water cut-off and holding cylinder
The failure of the ship's water-cut holding cylinder has a great impact on the ship's sailing power and speed. The solution to the water-cut holding cylinder failure is to replace the damaged or incomplete mechanical equipment parts, and clean the oil residue inside the diesel engine. Make reasonable adjustments to the fuel injection pump.
In addition, it is also necessary to select a suitable lubricating oil according to the diesel engine's operating environment and operating conditions for the failure of the diesel engine.
In order to reduce failure problems, the lubricating oil should be multi-grade lubricating oil, and the lubricating oil should be replaced in time to avoid other contamination of the lubricating oil.
When the diesel engine is started, lubricating oil should be used for the diesel engine to reduce the situation of rapid acceleration or overloading. The diesel engine is best operated at rated power and rated speed, and the lubricating oil, cooling water and exhaust temperature should be reasonably controlled to prevent the diesel engine from appearing. In case of excessive temperature. Regular inspection and maintenance should also be carried out to ensure the normal operation of the various mechanical equipment of the ship.