| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil circulation circuit capable of restricting generated cost to the minimum in operation as well as restricting manufacturing cast and assemblage cost to the minimum, and enabling simple and secure maintenance work. SOLUTION: In this device, an insert body 13a composed as a module for a lubricating oil circulation circuit for an internal combustion engine or other work machine is provided. In the oil circulation circuit for a work machine, especially an internal combustion engine, in a type provided with an oil sump 14 and a duct system 17 for carrying oil to a lubricating part, the oil sump is assembled inside the insert 13a replaceably disposed in a receiving part 18 for forming part of the oil circulation circuit. The module, therefore, includes at least one oil sump 14 which is replaced with the insert body 13a.
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