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Zero clutch failure! Expert Tips: Time-consuming and laborious maintenance is not as good as usual to develop the habit of correct use
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Zero clutch failure! Expert Tips: Time-consuming and laborious maintenance is not as good as usual to develop the habit of correct use

  • Categories:Company News
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  • Time of issue:2019-12-30 20:53
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(Summary description)Whether it is Dongfanghong, Lovol, or Dongfeng, Gengwang, Changfa and other tractors, the clutch is one of the most frequent faulty components in use.

Zero clutch failure! Expert Tips: Time-consuming and laborious maintenance is not as good as usual to develop the habit of correct use

(Summary description)Whether it is Dongfanghong, Lovol, or Dongfeng, Gengwang, Changfa and other tractors, the clutch is one of the most frequent faulty components in use.

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2019-12-30 20:53
  • Views:
Information

Whether it is Dongfanghong, Lovol, or Dongfeng, Gengwang, Changfa and other tractors, the clutch is one of the most frequent faulty components in use. After the clutch fails, most of them need to be broken for maintenance, which is very inconvenient and delayed. Time and cost are still high. As a user, how can we reduce the failure of clutch components in use?

Reduce fault strategy

Years of practical experience show that one is to adjust the clutch frequently to meet the technical parameters; the second is to use it correctly and develop good operating habits; the third is not to overload the work, the following is the LUK clutch (14 inch, six Claw independent clutch, separate control for walking and power output, foot clutch to control walking, hand clutch to control power output) For example, specifically: First, the clutch after use should be checked and adjusted frequently to make it comply with the manual technology. Parameter requirements.

After the clutch is used, the clutch will be worn. After the clutch plate is worn, the head of the clutch pressure claw will expand outward and move. The gap between the original separation bearing and the head of the pressure claw (the normal gap is 2 ~ 2.5mm) will become smaller and disappear. , The free stroke of the clutch pedal will decrease until there is no. At this time, the free stroke of the clutch pedal needs to be readjusted. If it is not adjusted, the clutch may slip or burn.

The free travel of the main clutch (walking clutch) pedal refers to the distance the pedal moves from the free state of the main clutch to when the main clutch starts to disengage.

The free travel of the auxiliary clutch (power output clutch) cable refers to the distance that the auxiliary clutch cable moves from the free state of the auxiliary clutch to when the auxiliary clutch starts to disengage.

Main clutch free stroke adjustment

Loosen the lock nut, turn the adjusting sleeve, change the effective length of the tie rod, adjust the free stroke of the pedal to 19 ~ 24mm (data for different models are different, please refer to the tractor manual for details, at this time the head of the main clutch pressure claw is separated from The clearance of the bearing end face is 2 ~ 2.5mm), after adjustment, tighten the lock nut.

Adjustment of free travel of auxiliary clutch

Loosen the lock nut, turn the adjusting nut to change the effective length of the cable rod, and adjust to: the free stroke of the cable is 3.5 ~ 4.5mm (the data of different models are different, please refer to the tractor manual for details, at this time the auxiliary clutch pressure claw head The clearance between the bearing and the end face of the separation bearing is 2 ~ 2.5mm). After adjustment, tighten the lock nut.

When the above adjustment method does not reach the free travel of the clutch, it means that the clearance between the head of the separation lever and the end face of the separation bearing is not ideal. The distance between the head of the main clutch pressure plate separating lever and the mounting surface of the flywheel is 103 ~ 103.5mm; the distance between the head of the three auxiliary clutch pressure plate separating lever and the mounting surface of the flywheel is 137 ~ 137.5mm. After the adjustment, tighten both lock nuts. The heads of the corresponding three pressure plate separation rods should be in the same plane and the error should not be greater than 0.2mm. Then adjust the free stroke according to the free stroke adjustment method.

2. Proper operation and use of clutches to develop good operating habits

When the clutch is fully engaged, the maximum design torque can be transmitted. If it is not fully engaged, a semi-linkage phenomenon will occur, and the clutch plate will slip, so the driver cannot keep his feet on the clutch pedal when the tractor is working or walking, or Use the semi-coupling of the clutch to control the vehicle speed for a long time. If the clutch is always half-pedaled, the clutch's ability to transmit torque will be reduced, the clutch plate will slip, and the film will burn.

For example, in 2016, such a thing happened to a cooperative in Hebei. A cooperative purchased 8 1004 tractors at a time and equipped with a baler. During the first day of work, 4 vehicles burned clutch plates. The manufacturer was shocked, thinking that there was a batch problem, and attached great importance to it. The technicians rushed to the scene overnight. After the technicians arrived at the scene, they checked the driver's work situation with the vehicle and found that the driver used the clutch to control the speed. The truth is that it is caused by improper operation. Fortunately, the manufacturer is taking care of the three guarantees because the cooperative is a large customer, otherwise the loss will be great. Therefore, you must develop good operating habits, you can not put your feet on the clutch pedal or use the clutch half linkage to control the vehicle speed for a long time.

3. Do not overload

The maximum torque that the clutch can transmit depends on the maximum pressing force between the friction surfaces, the size of the friction surface, the number of friction surfaces, the friction material, and the friction coefficient. For a clutch with a certain structure, the maximum torque that can be transmitted is a fixed value. When the input torque reaches this value, the clutch will slip, thereby limiting the torque received by the transmission system and preventing overload. When the tractor is overloaded, it exceeds the maximum torque that the clutch can withstand, and it is easy to cause the clutch plate to slip. As the clutch plate slips for a long time, the film will burn, so it is necessary to avoid overloading as much as possible.

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Weifang Taihong Tractor Co., Ltd. is established in 1994, located in the south-west of the beautiful city of kite-----Weifang, occupies an area of 35,800 square meters, among which 9,700 square meters are under roof; possesses a total fixed assets over 22 million RMB Yuan, holds 80 sets of production equipment

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