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叉车出现水稳反常的处理方法!

来源:/ 日期:2018-12-24 发布人:admin

  国产叉车水温反常处理方法:1•●、 节温器的查看

  Treatment of Abnormal Water Temperature of Domestic Forklift Trucks: 1. View of Thermostat
  目前发动机上选用的节温器以蜡式节温器为主。它的首要性能指标是在不同的水温下节温器应具有不同的升程。然后动态地控制冷却水温的凹凸。关于不崩溃冷却体系来查看节温器的好坏,首要是通过散热器进水管和出水管的温差来判别,在发动机冷机发动的前段时间内,进•●、出水管用手接触应有显着的温差,在作业了一段时间今后,温差显着缩小,当发动机到达正常作业温度时(80℃-90℃)时用手接触已无显着温差感觉。当然最准确的检测方法仍是取下节温器,将其置于热水中,逐步加热,查看阀门的敞开温度和阀门的升程。
  At present, wax thermostat is the main type of thermostat used in engine. Its primary performance index is that the thermostat should have different lift under different water temperature. Then the concave and convex of cooling water temperature is dynamically controlled. As for the non-collapse cooling system to check the quality of the thermostat, the first thing is to judge the temperature difference between the inlet and outlet pipes of the radiator. During the period before the engine cooler starts, there should be a significant temperature difference between the inlet and outlet pipes by hand. After a period of operation, the temperature difference will be significantly reduced. When the engine reaches the normal operating temperature (80-90 degrees C), the temperature difference between the inlet and outlet pipes by hand has already been contacted. There was no significant difference in temperature. Of course, the most accurate detection method is still to remove the thermostat, place it in hot water, gradually heating, check the open temperature of the valve and valve lift.
  2•●、 水泵的查看
  2. Inspection of pumps
  冷却水在冷却体系中不断循环的动力源来自于水泵。水泵能否建立起满足的压力是冷却体系正常作业的关键。在添加冷却水时,假如跟着发动机转速的升高,冷却液面显着下降,这说明水泵作业正常。反之,则或许水泵与叶轮松脱,冷却水无法循环。在国产叉车发动机中,水泵•●、发电机•●、冷却电扇共用一条皮带,因此皮带的松紧度直接影响到水泵•●、电扇•●、发电机的转速。用手指压下皮带的中部,下挠度应在11-13mm(CPC3L车型)为正常,太大会导致水温过高,太小则会对水泵轴承•●、发电机轴承造成损害。
  The power source of the continuous circulation of cooling water in the cooling system comes from the pump. Whether the pump can set up the satisfied pressure is the key to the normal operation of the cooling system. When cooling water is added, if the engine speed increases, the coolant level decreases significantly, which indicates that the pump works normally. On the contrary, the pump and impeller may be loose and the cooling water can not be recycled. In domestic forklift engine, water pump, generator and cooling fan share a belt, so the belt tightness directly affects the speed of water pump, electric fan and generator. Press down the middle part of the belt with your finger. The deflection should be normal at 11-13mm (CPC3L model). Too much will lead to excessive water temperature, too small will cause damage to pump bearings and generator bearings.
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  3•●、 冷却电扇
  3. Cooling fans
  电扇风量的检测可将一薄纸放于散热器前面,当发动机工作时,若纸能被吹开,则说明风量满足。这和前置发动机的轿车电扇向内吸风有区别。叶片不能装反,并应保证电扇放护罩齐全有效。
  A thin sheet of paper can be placed in front of the radiator when the engine is working. If the paper can be blown open, the air flow is satisfied. This is different from the inward suction of the car fan with the front engine. The blades should not be reversed, and the fan cover should be fully and effectively ensured.
  4•●、 散热器
  4. Radiator
  叉车的散热器置于车辆的尾部。因为叉车的底盘较低,而且厂内作业环境较差,一些杂物•●、粉尘很简单在散热器外表堆积,假如不及时清洗,就会严重影响散热作用。每天作业完毕应对散热器外表进行认真地清洗,尽量避免使用高压水枪。因为散热器的管壁很薄,假如清洗压力过高的话很简单冲瘪,影响循环作用。另外,冷却水严禁使用“硬水”,以避免散热器中产生水垢,导致冷却水添加缺乏。
  The radiator of the forklift truck is placed at the rear of the vehicle. Because the chassis of forklift truck is low, and the working environment in the factory is poor, some sundries and dust are simply accumulated on the outside of the radiator. If not cleaned in time, it will seriously affect the heat dissipation. After working every day, the radiator should be carefully cleaned and the use of high-pressure water guns should be avoided as far as possible. Because the wall of the radiator is very thin, if the cleaning pressure is too high, it is very simple to flush, affecting the circulation. In addition, the use of "hard water" is strictly prohibited to avoid scaling in the radiator, resulting in the lack of cooling water.
  在对以上的首要元件进行查看判断无显着毛病后,则应考虑其他体系的问题。如焚烧室内是否积碳过多,柴油机喷油时间是否过早或过迟,气缸垫是否烧坏或缸体•●、缸套有无裂纹,如本文最初所列毛病现象,就是因为缸套呈现裂纹,使高压气体窜入水套而冒出激烈的气泡,好像冷却水开锅一样,总之,发动机冷却体系的毛病是多种多样的,但只要坚持清醒的思路,认真地分析问题的本质,仍是能够找到解决的方法
  After checking and judging that there is no obvious defect in the above primary components, other systems should be considered. If there is too much carbon deposited in the incineration chamber, whether the injection time of diesel engine is too early or too late, whether the cylinder gasket is burned out or whether there are cracks in the cylinder block and liner, as listed in this article at the beginning, it is because the liner cracks, which make the high-pressure gas rush into the water jacket and emit fierce bubbles, like the boiling of cooling water. In a word, the problems of the engine cooling system are various. But as long as we stick to a sober thinking and carefully analyze the nature of the problem, we can still find a solution.
  以上内容有济南叉车租赁整理发布,更多相关资讯可以点击我们的官网进行咨询:
  The above content has Jinan forklift rental arrangement and publication, more relevant inion can be clicked on our official website for consultation:

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