| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic oil cleaning-up device for a hydraulic operating device capable of removing wastes in the hydraulic oil in a state of operating the equipment. SOLUTION: A first suction device and a first foreign matter removing device connected with each other in series, are mounted in the outer part of a mechanism box of the hydraulic operating device, the hydraulic oil in the hydraulic operating device is introduced to the first suction device through an oil supply hose, and the hydraulic oil having passed through the first foreign matter removing device, is returned to the hydraulic operating device through a returning hose. COPYRIGHT: (C)2004,JPO&NCIPI
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