| 摘要 |
PURPOSE: An oil injecting system of a roller for an endless track is provided to enhance work convenience and work speed in a process of determining the state of the roller and injecting oil to the roller. CONSTITUTION: An oil injecting system(100) of a roller for an endless track comprises an air-tightness tester(10), and an oil injector(20). The air-tightness tester injects air to the roller(R) to a predetermined pressure, then measures the inner pressure of the roller, and determines whether the roller maintains air-tightness. The oil injector is arranged adjacent to the air-tightness tester. The oil injector receives a roller determined as being normal from the air-tightness tester and injects a given amount of oil to the roller.
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