Services
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The working condition of the piston rings is influenced by many factors, such as the engine structure, gas pressure, working face of cylinder wall, quality of piston, the quality of the fuel and lubricating oil used, and the quality of the piston rings themselves.
The piston rings are not wear-resistant
Reason & Mearsure
R: Insufficient lubrication
M: Maintain adequate lubrication
R: Carbon deposition
M: Keep the oil fully burning
R: Improperly selected of piston rings
M: Choose the piston ring with appropriate structure and surface treatment such as chromed-plating, Gas nitriding, molybdenum spraying
R: Cylinder liner distortion
M: Choose the appropriate cylinder liner
R: Corrosive wear & abrasive wear
M: Keep the cleaning work condition during assembly and keep the clean status of the air filter element
Stuck and deposit
Reason & Mearsure
R: Excess temperature
M: Choose the appropriate engine oil
R: Improper fit clearance between piston ring and piston groove
M: Check the fit clearance
R: Improper choose in piston rings
M: Choose the piston ring with appropriate structure such as keystone ring
R: Too much impurities after the fuel burns
M: Choose the appropriate fuel
Oil burning
Reason & Mearsure
R: Improper choose in oil control ring
M: Check the side clearance and tension of the spring and oil control ring
R: Improper choose in compression ring
M: Check the side clearance
R: Improper fit clearance between piston ring and cylinder liner
M: Check the fit clearance and end gap of the piston rings
R: Bad surface roughness of inner wall of cylinder liner
M: Choose the appropriate cylinder liner
R: Improper rotational speed
M: Avoid the rotational speed in Maximum state
R: Poor viscosity of engine oil
M: Choose the appropriate engine oil
Fracture of piston ring
Reason & Mearsure
R: The end gap of the rings is undersize in the working condition that cause collision between both ends of the opening
M: Adjust the inner diameter of the cylinder wall or choose the appropriate piston rings
R: Wrong side clearance
M: Choose the appropriate piston rings
R: The formed part of the piston ring is sticking
M: Choose the appropriate piston rings
R: Vibration of piston ring
M: Choose the appropriate piston rings
R: Knocking causes an increase in combustion pressure
M: Choose the appropriate fuel and adjust the ignition time
R: Improper installation operation
M: Use professional installation tools