| 摘要 |
PROBLEM TO BE SOLVED: To reduce the number of processes required for oiling a hydraulic circuit and reduce device cost by driving a first axle with outer force to suck oil from an oil reservoir space via valves into a first hydraulic motor and supply the oil to a communication oil path. SOLUTION: The oiling method comprises pouring oil into the oil reservoir space 55, and then driving the first axle 5 with outer force to suck the oil from the oil reservoir space 55 via the check valves 62a, 62b into the first hydraulic motor 21 or to press the oil to be poured from the outside with a pouring means provided on the way of the main communication oil path 45 in the state of opening stop valves 63, 64, 65 until filling the oil through the main communication oil path 45 via the stop valves 63, 64, 65 into the oil reservoir space 55, 56, 57 to supply the oil into the main communication oil path 45. COPYRIGHT: (C)2007,JPO&INPIT
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