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内燃叉车水温过高的解决方法!

来源:新葡亰 日期:2019-10-16 发布人:admin

  水温高的原因有很多:温度控制开关,水泵,副风扇,水管生锈,回水差等因素都会引起这种结现象。 发动机水温的温度主要与恒温器是否正常工作,泵能否建立足够的压力以及冷却风扇是否可以达到标准速度有关。 那么如何检查叉车的水温不正常? 冷却系统一般由冷却风扇,散热器,恒温器等组成。 冷却风扇通常由发动机直接驱动,并且风扇速度与发动机速度一致。 冷却水温度的控制主要取决于恒温器。

  There are many reasons for high water temperature: temperature control switch, water pump, auxiliary fan, rusty water pipe, poor return water and other factors will cause this phenomenon. The temperature of engine water temperature is mainly related to whether the thermostat works normally, whether the pump can establish enough pressure and whether the cooling fan can reach the standard speed. So how to check the temperature of the forklift is abnormal? The cooling system is generally composed of cooling fan, radiator, thermostat, etc. The cooling fan is usually driven directly by the engine and the fan speed is the same as the engine speed. The control of cooling water temperature mainly depends on the thermostat.
  温控器原理
  Principle of temperature controller
  恒温器也称为恒温器。 功能是根据冷却水的温度自动调节进入散热器的水量,并改变水的循环范围以调节冷却系统的冷却能力,以确保发动机在合适的温度范围内工作 。 温控器必须保持良好的技术状态,否则会严重影响发动机的正常运行。 如果温控器的主阀开得太晚,将导致发动机过热。 如果主阀过早打开,则发动机的预热时间会延长,并且发动机温度会过低。 此时,可以判断恒温器的工作状态是否良好。 当发动机开始冷运转时,如果有冷却水从水箱的进水管流出,则恒温器的主阀无法关闭; 发动机冷却时当水温超过70摄氏度时,没有冷却水从水箱的进水管流出,这表明恒温器的主阀无法正常打开,需要维修。
  Thermostat is also called thermostat. The function is to automatically adjust the amount of water entering the radiator according to the temperature of the cooling water, and change the cycle range of the water to adjust the cooling capacity of the cooling system, so as to ensure that the engine operates within the appropriate temperature range. The thermostat must be kept in good technical condition, otherwise it will seriously affect the normal operation of the engine. If the main valve of the thermostat is opened too late, the engine will overheat. If the main valve opens too early, the engine warm-up time will be extended and the engine temperature will be too low. At this time, we can judge whether the thermostat is in good working condition. When the engine starts to run cold, if there is cooling water flowing out of the water inlet pipe of the water tank, the main valve of the thermostat cannot be closed; when the water temperature of the engine is over 70 ℃, there is no cooling water flowing out of the water inlet pipe of the water tank, which indicates that the main valve of the thermostat cannot be opened normally and needs to be repaired.
  可通过以下方式在汽车上检查恒温器:
  ? the thermostat can be checked on the vehicle by:
  首先,检查后的发动机:打开散热器进水口盖,如果散热器内部的冷却液位静止,则表明恒温器工作正常,否则,恒温器工作异常。
澳门二手叉车
  First, check the engine: open the radiator water inlet cover. If the cooling liquid level inside the radiator is still, it indicates that the thermostat works normally. Otherwise, the thermostat works abnormally.
  其次,这是因为,当水温低于70°C时,恒温器膨胀管处于收缩状态,则主阀关闭。 当水温高于80°C时,膨胀缸膨胀,主阀逐渐打开,散热器中的循环水开始。 流。
  Secondly, this is because when the water temperature is lower than 70 ° C, the thermostat expansion pipe is in contraction state, and the main valve is closed. When the water temperature is higher than 80 ° C, the expansion cylinder expands, the main valve opens gradually, and the circulating water in the radiator begins. Flow.
  3.当水温表指示温度低于70°C时,如果在散热器的进水管中有水流过并且水温很热,则温控器的主阀未关紧,从而导致冷却水过早且过大 循环。
  3. When the temperature indicated by the water temperature gauge is lower than 70 ° C, if there is water flowing through the water inlet pipe of the radiator and the water temperature is very hot, the main valve of the temperature controller is not closed tightly, resulting in the premature and excessive circulation of the cooling water.
  四,水温上升后的检查:发动机的初始温度,水温非常快; 当水温指示器指示80时,加热速度降低,表明恒温器正常工作。 另一方面,如果水温迅速升高,则当内部压力达到一定水平时,沸水会突然溢出,表明主阀卡住并突然打开。
  IV. inspection after the water temperature rises: the initial temperature of the engine, the water temperature is very fast; when the water temperature indicator indicates 80, the heating speed decreases, indicating that the thermostat works normally. On the other hand, if the water temperature rises rapidly, when the internal pressure reaches a certain level, the boiling water will suddenly overflow, indicating that the main valve is stuck and suddenly opens.
  5.当水温表指示70°C-80°C时,打开散热器盖和散热器排水开关,并用手感觉水温。 如果两者均很热,则恒温器会正常工作; 如果散热器进水水位低,则散热器没有水从上水室的进水管流出,或者水流很小,表明恒温器的主阀无法打开。
  5. When the water temperature gauge indicates 70 ° C-80 ° C, open the radiator cap and radiator drain switch, and feel the water temperature by hand. If both of them are very hot, the thermostat will work normally; if the water level of the radiator is low, there is no water flowing out of the water inlet pipe of the water supply chamber, or the water flow is very small, indicating that the main valve of the thermostat cannot be opened.

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