| 摘要 |
There is provided a piping structure of a front work machine which prevents an increase in total width of the front work machine caused by hydraulic piping extended from the main machine side, and enables the piping following a structure of the front work machine turning vertically, by which a burden on the hydraulic piping accompanying the turning of the front work machine can be reduced to improve the durability. In the piping structure of the front work machine mounted on the main machine through a bracket(s) 7 as a turnably-supporting part(s) arranged on one side of a bonnet provided in a front portion of the main machine or both right and left sides, each of lift arms 11 or a lift arm 11, which is a constructional member of the front work machine, is provided with a hole part 20 through which the hydraulic piping 30 passes.
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