徐州市久发工程机械有限责任公司

XUZHOU JIUFA CONSTRUCTION MACHINERY CO., LTD.

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11-30 The main reason for the sinking of the mobile tower chassis

Why does the chassis sink when the mobile tower crane is working? The main reason for the chassis sinking: First, the oil seal on the piston in the hydraulic cylinder is fatigued, and the high pressure oil in the upper chamber leaks into the lower ch…

Why does the chassis sink when the mobile tower crane is working? The main reason for the chassis sinking: First, the oil seal on the piston in the hydraulic cylinder is fatigued, and the high pressure oil in the upper chamber leaks into the lower chamber after aging. The pipe joint on the check valve can be loosened during the diagnosis. If there is hydraulic oil flowing out, it proves to be The oil seal is damaged; the second is the poor sealing of the hydraulic control check valve, such as oil dirty, poor alignment of the valve core and the valve seat, etc., causing the high pressure oil in the upper chamber to leak into the tube. During the diagnosis, the upper pipe joint of the check valve can be loosened, and if the oil flows out, the check valve is poorly sealed. Always check the machine when using it. For more details, please visit our official website http://www.xzjiufa.com/cn

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徐州市久发工程机械有限责任公司

XUZHOU JIUFA CONSTRUCTION MACHINERY CO., LTD.