The operation of the engine

- Oct 28, 2017-

The engine is a set of power output equipment, including speed gear, engine and drive shaft, etc. People have developed various types of engines, which can be divided into three categories: internal combustion engine, external combustion engine and motor.


With such a long history of development, the engine has been a widely used common equipment in our daily life. It is not bombastic to say the engine is everywhere in our life.


It is not allowed to operate the engine at 50% of rated power output for a long time, as it can cause high fuel consumption, valve jammed etc.

If the temperature of cooling water becomes too low, the unburned fuel may thin the oil in the oil sump, and affect lubricating efficiency.

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Note: Any failures occur to parts, such as a sudden surge of oil temperature, a sudden decline of oil pressure and abnormal sounds. Please stop the engine immediately, check and repair it.

Before stopping the engine, run it at idling speed for 3-5 minutes, let cooling water and lubricating oil take the heat away in the engine, which is very important for turbocharged engine. Unless it is in urgent need, the engine shouldn’t be stopped suddenly; otherwise, the turbochargers will overheat and cause their bearings to seize up.

The operator should pay attention to the sounds of turbochargers to see whether any impeller knocks at the housing at the moment that the engine is stopped. If a noise of knocking is heard, please dismantle the turbocharger immediately to check the bearing clearance.


Note: Under very cold situation, exhaust all the cooling water in the engine and its accessories to protect the engine from freezing.


The intake and exhaust manifolds of the turbocharged engine must be free of leakage; otherwise, its performance would be lower. Check the tightness of the connecting nuts or bolts and the hose clamps frequently. If necessary, renew the sealing gasket.


Note: When customers are to select proper engine, consideration should be given to reasonable power of working machinery, as the engine shouldn’t be operated at an excessive load or very low load for a long time. Otherwise, it may lower reliability of the engine and cause some faults. 


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