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Problems and solutions of truck clutch

  • 2020-05-28 16:24:24

The clutch is a very important part for both trucks and cars. We all know that its function is to cut off or connect the engine and gearbox. If there is a problem, it will cause problems such as difficulty in gear shifting and inability to walk. The truck road condition is more complex, and the clutch is more frequently used, which is more prone to failure than the car. Today, I will sort out some common truck clutch problems and solutions.


Clutch slipping


When the clutch slips, the power of the vehicle will be insufficient. It is difficult to start at low gear and heavy load. The most common reason is that there is oil stain on the friction plate surface. It is OK to disassemble the clutch and clean the friction plate and driven plate with gasoline. Another reason is that the adjustment clearance of the clutch is too small or inconsistent, resulting in no free stroke of the pedal. At this time, adjust the clearance to the specified range according to the maintenance manual, and make the three release levers in the same plane.



Clutch does not release


It is not a small problem that the clutch does not separate. If the pedal is pressed to the end but the power cannot be completely cut off, it will cause difficulty in gear and even unable to stop. It is very dangerous in some long downhill sections. In this case, the free stroke of the pedal is too large or the clearance between the release claw and the release bearing is too large, which needs to be adjusted to the specified range in time. It may also be that the clutch shaft chain is seriously worn or the friction plate is broken after the vehicle has been used for a long time, so it is necessary to go to the repair shop in time to replace new parts.



Abnormal clutch sound


The abnormal sound is that when the clutch pedal is pressed a little, you can hear the sound of "chum, chum, chum", and it is accompanied with sound and shaking when starting to engage or separating during the travel. Most of this is due to the lack of oil or damage of the release bearing. It needs to be filled with lubricating oil. If it has no effect, it needs to be replaced with a new one. It can also be checked to see if the driven plate or pressure plate is broken. If it is broken, it needs to be replaced in time.



In fact, a large part of the above problems are caused by bad driving habits. In life, many card users are used to putting their feet on the pedal all the time, feeling more "safe and reassured". However, such operation will make the clutch pressure plate and the moving plate in a state of turning and sliding, which is often called semi clutch. In this state, due to mutual friction, a lot of heat energy will be generated, which will make them leave The friction plate of the driven plate of the clutch is overheated, causing damage or even burning.


It can be seen that it is very important to develop a good driving habit, and usually more inspection, pay more attention to the condition of the clutch, never use it for several years, and even some drivers smell the burning smell of the clutch plate before replacing it, which is very easy to cause major accidents. As a driver, the most important thing is safety, but never carelessness.

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