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First, the main reasons for the oil spill
1, product quality, material or technology is not good; structural design problems.
2, parts of the joint surface deflection deformation, shell damage, so that oil leakage.
3, assembly speed is improper, with the surface is not clean, gasket damage, displacement or not according to the operating procedures for installation.
4, the fastening nut force uneven, slippery silk off button or Songkuang off work as a result of failure.
5, add too much oil, oil is too high or the wrong oil.
6, vent plug, check valve plug, due to the pressure difference between the inside and outside of the box, will often cause the seal is weak at the oil spill.
7, sealing material for a long time after the use of wear and tear, aging, deformation failure.
Two, preventive measures for vehicle oil leakage
1, properly solve the various types of pipe joint sealing
The coupling nut is often disassembled and assembled, which is easy to be broken and loose, which can cause the oil leakage. Replacing the union nut, sealed with grinding method to solve the cone, the nut tightly and solve the seal.
2, pay attention to the role of padding
Auto static site parts between the liner plays a role in leakproof. If the material, production and installation of quality does not meet the technical specifications, would not achieve the role of leak proof seal, and even accidents. If the oil pan or the valve cover, the contact area is large and easy to compaction, the resulting oil spill.
3, the car all kinds of fastening nuts are required to tighten according to the specified torque
Pressure is not too loose gasket leak tight; tight around the metal bumps and lead screw or screw thread work caused by oil spills. In addition, Baotou beiben heavy truck parts sump oil drain plug loose if not tightened or back off, easy to cause the loss of oil, and then the engine damage accident burnt axle “of.
4, to avoid the wheel oil
Baotou beiben heavy truck parts hub bearing and grease cavity too much oil or its package with inappropriate, poor quality and aging failure; wheel brake due to frequent high temperature; the axle nut loose will cause wheel oil. So we should use the “cavity lubrication method” to clear the vent.
5, replace the oil seal in time
Many moving parts of the car will be due to improper installation, shaft neck and oil seal cutting edge is not concentric, eccentric swing and swing oil. Some oil seals used for a long time will be lost because of rubber aging. Found leakage should be updated in a timely manner.
6, avoid one-way valve, vent valve block
It caused Baotou beiben heavy truck accessories in the box shell temperature increases, gas filled the entire space, emissions do not go out, so that the box casing pressure lubricating oil consumption increased and the replacement cycle. After the engine ventilation system is blocked, the movement resistance of the piston is increased, and the fuel consumption is increased. Because of the pressure difference between the inside and outside of the box, the seal is often caused by weak leakage. Therefore, it is necessary to carry out regular inspection, dredging and cleaning of vehicles.