| 摘要 |
PURPOSE: An oil injection structure is provided to prevent a degradation of lubrication performance by preventing the lubricating oil from being contaminated, while lengthening the oil replacement cycle. CONSTITUTION: An oil injection structure comprises an oil injection pipe(51) having an end connected to the side surface of an oil pan(50) and the other end protruded outward, wherein the oil injection pipe has a female screw portion(51') formed at the inner surface of the other end of the oil injection pipe; a cap(52) having a male screw portion(52') to be coupled with the female screw portion of the oil injection pipe, wherein the cap covers the end of the oil injection pipe; and a handle(53) mounted on the cap so as to rotate the cap.
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