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In the process of small concrete mixer running for a long time, oil leakage is a very common and dangerous thing. Once the oil leakage is serious, it will not only lead to poor lubrication and insufficient cooling of small concrete mixer parts, but also cause early damage of parts, and even leave accident hidden danger, so this kind of problem has to be prevented. Now by our professional and technical personnel to teach you how to deal with the problem of small concrete mixer oil leakage.

1.避免單向閥、通氣閥堵死：由此引起箱殼內(nèi)溫度升高，油氣充滿整個空間、排放不出去，使箱殼內(nèi)壓力升高潤滑油消耗增加和更換周期縮短?；炷翑嚢柢嚢l(fā)動機通氣系統(tǒng)堵塞后，增加了活塞的運動阻力，使油耗增加。由于箱殼內(nèi)外氣壓差的作用，往往會引起密封薄弱處漏油。因此需對小型混凝土攪拌車進行定期檢查、疏通、清洗；

1. Avoid blocking the check valve and vent valve: this will cause the temperature in the tank to rise, the oil and gas will fill the whole space and cannot be discharged, which will increase the pressure in the tank, increase the consumption of lubricating oil and shorten the replacement cycle. After the ventilation system of concrete mixer engine is blocked, the movement resistance of piston is increased and the fuel consumption is increased. Due to the effect of the air pressure difference inside and outside the box shell, oil leakage often occurs at the weak part of the seal. Therefore, it is necessary to check, dredge and clean the small concrete mixer regularly;

2.重視襯墊作用：小型混凝土攪拌車靜置部位零部件之間的襯墊起著防漏密封作用。若在材料、制作質(zhì)量及安裝上不符合技術(shù)規(guī)范，就起不到密封防漏作用，甚發(fā)生事故。如油底殼或氣門罩蓋，由于接觸面積大而不易壓實，由此造成漏油；

2. Pay attention to the role of gasket: the gasket between the parts of the small concrete mixer plays a role of leak proof and sealing. If the material, manufacturing quality and installation do not meet the technical specifications, it will not play the role of sealing and leakage prevention, and even accidents. For example, the oil pan or valve cover is not easy to be compacted due to large contact area, resulting in oil leakage;
              

3.小型混凝土攪拌車上各類緊固螺母都需按規(guī)定的扭矩擰緊：過松壓不緊襯墊會滲漏；過緊又會使螺孔周圍金屬凸起或?qū)⒔z扣努而引起漏油。另外，油底殼放油螺塞若未擰緊或回松脫落，容易造成機油流失，繼而發(fā)生“燒瓦抱軸”的機損事故；

3. All kinds of fastening nuts on the small concrete mixer should be tightened according to the specified torque: if it is too loose or not tight, the gasket will leak; if it is too tight, the metal around the screw hole will bulge or the screw thread will be turned off, causing oil leakage. In addition, if the oil drain plug of oil pan is not tightened or loosened, it is easy to cause oil loss, and then the engine damage accident of "burning tile and holding shaft" occurs;

4.避免混凝土攪拌車輪轂甩油：輪轂軸承及腔內(nèi)潤滑油脂過多，或其油封裝配不妥，質(zhì)量不良及老化失效；制動頻繁引起的輪轂溫度過高；車軸螺母松動等都會引起小型混凝土攪拌車輪轂甩油。因此要用“空腔潤滑法”，疏通通氣孔；

4. Avoid oil spilling on the wheel hub of concrete mixer: too much lubricating grease in the wheel hub bearing and cavity, or improper oil packaging, poor quality and aging failure; too high temperature of the wheel hub caused by frequent braking; loose axle nut, etc. will cause oil spilling on the wheel hub of small concrete mixer. Therefore, the "cavity lubrication method" should be used to dredge the air hole;

5.及時更換失效油封：小型混凝土攪拌車上很多動置部位會因安裝不妥，軸頸與油封刃口不同心，偏擺而甩油。有些油封使用過久會因橡膠老化而失去彈性。發(fā)現(xiàn)滲漏及時更新；

5. Timely replacement of failed oil seal: many moving parts of small concrete mixer truck will throw oil due to improper installation, misalignment between journal and oil seal edge, and deflection. Some oil seals will lose elasticity due to rubber aging if they are used too long. Timely update in case of leakage;

6.妥善混凝土攪拌車各類油管接頭密封：車用聯(lián)管螺母經(jīng)常拆裝，容易滑絲斷扣而松脫，會引起滲油。更換聯(lián)管螺母，用研磨法其錐面密封，使螺母壓緊而密封。

6. Properly solve the sealing of all kinds of oil pipe joints of concrete mixer truck: the union nut used in the truck is often disassembled and disassembled, which is easy to slip, break and loosen, and cause oil leakage. Replace the union nut, and use the grinding method to solve its cone sealing, so that the nut is compressed to solve the sealing problem.

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