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List of contents of this article:

• 1, What's wrong with the refueling sound of the Weichai Guoliu natural gas engine?
• 2、How about Weichai 375
• 3,OKX Wallet apk download The principle of Weichai engine
• 4、 What is the reason for the exhaust pipe flow oil of Weichai engine?

What's wrong with the refueling sound of the Weichai Guoliu natural gas engine?

1. The reasons for the sound problem of the engine can be divided into air filter, spark plug, ignition line, gasoline, gasoline filter, gasifier, oil pump and other problems. Check whether the air filter is dirty, whether the spark plug is old and has to be replaced, the ignition coil is broken, the gasoline is not clean, for example, there is water in the oil line.

2. The sound of the Weichai engine is caused by poor fuel quality, fuel injector failure, insufficient fuel system intake, serious wear of engine cylinder or piston, and insufficient engine oil pressure. The details are as follows: Poor fuel quality will lead to incomplete combustion, resulting in a tractor-like thud.

3. The existence of most common abnormal sounds of the engine depends on the speed state of the engine. Abnormal sounds only exist during idle or low-speed operation.

4. The gap between the piston and the cylinder wall is too large. The piston pin assembly is too tight or the connecting rod bearing assembly is too tight. The gap between the support rod and its guide hole is too large. The contour of the gas distribution cam is worn. Weichai's Guoliu engine officially passed the certification of relevant departments, becoming the first Guoliub diesel engine in China to be officially certified.

5. Hello, there is a whistle sound when refueling the Weichai engine, which should be a medium-cooled air leak or a gas leak if the card of a tube of the supercharger is not tight.

How about Weichai 375

The Weichai 375 engine has excellent performance. Its engine power is strong, low fuel consumption, excellent control performance, convenient maintenance, excellent air humidity control ability, excellent noise control ability, which is deeply favored by users.

Weichai 375 is better than Xichai 375. Tin diesel has low consumption and low noise. Weichai is powerful, solid and durable. Weichai is powerful, solid and durable.

According to the relevant queryPublic information: Guowu Oman 375 Weichai front four and rear eight is a high-quality heavy truck equipped with a Weichai engine, which has the advantages of strong power, low fuel consumption and high reliability.

It is not appropriate to compare. Weichai 375 has more powerful firepower, greater torque and greater tensile force. Weichai 430 is more advanced, more advanced, has a longer service life and is more fuel-efficient.

The principle of Weichai engine

The oil channel of Weichai 615 engine is the principle of fluid dynamics. The oil channel is a fluid pipeline that brings oil into the interior of the engine through the principle of fluid dynamics.

The diesel engine of a diesel generator is generally a single-cylinder or multi-cylinder four-stroke diesel engine, and the work of a single-cylinder four-stroke diesel engine is basicallyPrinciple: The starting of the diesel engine is to rotate the crankshaft of the diesel engine by manpower or other power to make the piston move up and down in the top closed cylinder.

The principle of in-cylinder braking is actually very simple, that is, the fuel injection system of the engine does not inject fuel, and the ignition system does not ignite, but the piston of the engine is still running up and down to compress the air, so that the speed will slowly decrease. This is the principle of in-cylinder braking.

Diesel engine is an internal combustion engine that uses diesel as fuel, and diesel engine is a compressed ignition engine. The working principle of diesel engine: air intake stroke. The starter is energized to drive the crankshaft to rotate, and the rotation of the crankshaft makes the piston move from top to bottom. At this time, the exhaust valve is closed, the intake valve is opened, and fresh air enters the cylinder and combustion chamber.

What is the reason for the exhaust pipe flow oil of Weichai engine?

1. Because the oil seal at the intake end is worn, the oil will leak into the intake pipe. The user can replace the oil seal at the intake end.

2. The oil in the exhaust pipe may have the following reasons: the piston ring is worn and sealed. The cylinder pad is damaged. There may be a phenomenon of burning engine oil. At the beginning of light burning of engine oil, because the oil goes deep into the leaking part, it helps to play a certain sealing role, so it will temporarily increase the power of the machine.

3. The exhaust pipe injection oil is caused by the failure of the piston, cylinder liner, piston pin and piston ring. At this time, it is necessary to find the damaged position and replace it. Don't wait until there is a breakdown to pay attention to it. The consequences can be said to be unimaginable.

4. Possible reasons: the cylinder, piston, piston ring wear exceeds the limit, or the piston ring is opposite, the piston ring is broken, the cylinder is pulled, the cylinder leaks air to the crankcase, and the oil is blown out; the oil is filled too much, the oil is stirred and discharged;... It is recommended to investigate and solve it from shallow to deep.