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叉車出現水穩反常的處理方法!

來源:http://nukkadh.com/冷门赚钱行业 日期:2018-12-24 發布人:admin

  國產叉車水溫反常處理方法:1、 節溫器的查看

  Treatment of Abnormal Water Temperature of Domestic Forklift Trucks: 1. View of Thermostat
  目前發動機上選用的節溫器以蠟式節溫器為主。它的首要性能指標是在不同的水溫下節溫器應具有不同的升程。然后動態地控制冷卻水溫的凹凸。關于不崩潰冷卻體系來查看節溫器的好壞,首要是通過散熱器進水管和出水管的溫差來判別,在發動機冷機發動的前段時間內,進、出水管用手接觸應有顯著的溫差,在作業了一段時間今后,溫差顯著縮小,當發動機到達正常作業溫度時(80℃-90℃)時用手接觸已無顯著溫差感覺。當然準確的檢測方法仍是取下節溫器,將其置于熱水中,逐步加熱,查看閥門的敞開溫度和閥門的升程。
  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
  冷卻水在冷卻體系中不斷循環的動力源來自于水泵。水泵能否建立起滿足的壓力是冷卻體系正常作業的關鍵。在添加冷卻水時,假如跟著發動機轉速的升高,冷卻液面顯著下降,這說明水泵作業正常。反之,則或許水泵與葉輪松脫,冷卻水無法循環。在國產叉車發動機中,水泵、發電機、冷卻電扇共用一條皮帶,因此皮帶的松緊度直接影響到水泵、電扇、發電機的轉速。用手指壓下皮帶的中部,下撓度應在11-13mm(CPC3L車型)為正常,太大會導致水溫過高,太小則會對水泵軸承、發電機軸承造成損害。
  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.
濟南叉車租賃
  3、 冷卻電扇
  3. Cooling fans
  電扇風量的檢測可將一薄紙放于散熱器前面,當發動機工作時,若紙能被吹開,則說明風量滿足。這和前置發動機的轎車電扇向內吸風有區別。葉片不能裝反,并應保證電扇放護罩齊全有效。
  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、 散熱器
  4. Radiator
  叉車的散熱器置于車輛的尾部。因為叉車的底盤較低,而且廠內作業環境較差,一些雜物、粉塵很簡單在散熱器外表堆積,假如不及時清洗,就會嚴重影響散熱作用。每天作業完畢應對散熱器外表進行認真地清洗,盡量避免使用高壓水槍。因為散熱器的管壁很薄,假如清洗壓力過高的話很簡單沖癟,影響循環作用。另外,冷卻水嚴禁使用“硬水”,以避免散熱器中產生水垢,導致冷卻水添加缺乏。
  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.
  在對以上的首要元件進行查看判斷無顯著毛病后,則應考慮其他體系的問題。如焚燒室內是否積碳過多,柴油機噴油時間是否過早或過遲,氣缸墊是否燒壞或缸體、缸套有無裂紋,如本文初所列毛病現象,就是因為缸套呈現裂紋,使高壓氣體竄入水套而冒出激烈的氣泡,好像冷卻水開鍋一樣,總之,發動機冷卻體系的毛病是多種多樣的,但只要堅持清醒的思路,認真地分析問題的本質,仍是能夠找到解決的方法
  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.
  以上內容有濟南叉車租賃整理發布,更多相關資訊可以點擊我們的官網進行咨詢:http://nukkadh.com
  The above content has Jinan forklift rental arrangement and publication, more relevant information can be clicked on our official website for consultation: http://nukkadh.com

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