LC Roots pump oil leakage so that a lot of hydraulic energy into heat, prompting the oil temperature, deterioration of working conditions. LC Roots pump oil leakage can be divided into two kinds of internal leakage and leakage, leakage to the LC Roots pump output flow rate decreases, the pressure rise is not high, and in addition to the above leakage of leakage but also polluting the environment, so to reduce Small internal leakage, to avoid leakage.
   Pump movement gap, the gap is too large, increased internal leakage; clearance is too small, friction increases. Cause leakage reasons:
1) Before and after LC Roots oil pump cover oil return hole is blocked, or processing this hole has not been drilled. This needs to be cleaned or drilled.
2) LC Roots oil pump cover and seal with loose oil spill, which can be adjusted by adjusting the gap.
3) The shaft seal lip is scratched by the spindle spline or the skeleton spring comes off. This can be replaced by oil seal or reinstall.
4) parts sealing surface scratches serious. Repackage the seal surface to eliminate scratches.
5) oil seal groove diameter is too small or groove chamfer is too small, so that the oil seal oblique, leading to oil spills. Should check the groove size, according to the provisions of processing groove or chamfer.
    6) The chamfer of the shaft is too rough or the chamfer is too small, so that the lip of the seal is rolled up and the roughness or chamfer should be checked. During assembly, grease the chamfer.
7) If the seal is used at high temperature for a long time, or if the seal is not good or if the seal is improperly loosened, the seal will need to be replaced.
   When installed, the pump body fitted anti-so that the outlet connected to the unloading tank. Or turn in the right test, steering error, the shaft seal was punctured and cause leakage. This is because the inlet of the LC Roots pump is connected to the oil seal through the oil return passage. When the pump reverses, the inlet port becomes a drain port, the pressure oil breaks through the oil seal through the oil return passage, or the oil seal leaks out of the LC Roots oil pump body. This should, correct the steering of the piano, and replace the new oil seal.
   Pump movement gap, the gap is too large, increased internal leakage; clearance is too small, friction increases. Cause leakage reasons:
1) Before and after LC Roots oil pump cover oil return hole is blocked, or processing this hole has not been drilled. This needs to be cleaned or drilled.
2) LC Roots oil pump cover and seal with loose oil spill, which can be adjusted by adjusting the gap.
3) The shaft seal lip is scratched by the spindle spline or the skeleton spring comes off. This can be replaced by oil seal or reinstall.
4) parts sealing surface scratches serious. Repackage the seal surface to eliminate scratches.
5) oil seal groove diameter is too small or groove chamfer is too small, so that the oil seal oblique, leading to oil spills. Should check the groove size, according to the provisions of processing groove or chamfer.
    6) The chamfer of the shaft is too rough or the chamfer is too small, so that the lip of the seal is rolled up and the roughness or chamfer should be checked. During assembly, grease the chamfer.
7) If the seal is used at high temperature for a long time, or if the seal is not good or if the seal is improperly loosened, the seal will need to be replaced.
   When installed, the pump body fitted anti-so that the outlet connected to the unloading tank. Or turn in the right test, steering error, the shaft seal was punctured and cause leakage. This is because the inlet of the LC Roots pump is connected to the oil seal through the oil return passage. When the pump reverses, the inlet port becomes a drain port, the pressure oil breaks through the oil seal through the oil return passage, or the oil seal leaks out of the LC Roots oil pump body. This should, correct the steering of the piano, and replace the new oil seal.
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