Definition of common terms in internal combustion engine

It is a kind of power machine, which directly converts the heat energy released from it into power by burning fuel inside the machine.

When the internal combustion engine is working, the temperature of piston top and combustion chamber wall is about 250-500℃, the temperature of piston skirt is about 260- 175℃ from top to bottom, and the temperature of main bearing and crankcase is 85-95℃. When the engine is started, the temperature of its parts is close to the ambient temperature.

Matters needing attention of internal combustion engine

Before starting the engine, it should be rolled up or put in a safe place. When the engine is running, it is forbidden to have covering or flammable materials on the upper part of the exhaust pipe. Pay attention to prevent fire. ?

Before starting the engine, preheat the engine oil pan with a heater or heating device, and pull out the dipstick to observe the viscosity of the oil. Only when the oil does not hang the dipstick can the engine be started.

Before starting the engine, pull out the dipstick and observe the oil amount in the oil pan. Only when the oil level is between the upper and lower limits of the dipstick ("L" and "H") can the engine be started, otherwise it should be added to the normal oil level.