| 摘要 |
PURPOSE: A rocker arm shaft is provided to prevent a foreign matter of oil from being supplied to the rocker arm from an engine by installing an oil filter inside the rocker arm shaft, so that preventing trouble of a hydraulic lash adjuster. CONSTITUTION: A rocker arm(200) transferring the movement of a cam shaft to the valve is rotatably fixed on the outer surface of a rocker arm shaft(100). Space(110) for passing engine oil is formed longitudinally inside the rocker arm shaft. An oil filter(150) is installed at the space of the rocker arm shaft. Oil is refiltered by the oil filter inside the rocker arm shaft so that the oil circulating inside engine is supplied inside an adjuster without foreign matter.
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