| 摘要 |
PROBLEM TO BE SOLVED: To properly lubricate a lubricating object in a gear housing by a lubricating oil by securing a proper quantity of the lubricating oil in an oil reservoir part of the gear housing. SOLUTION: One end part 32A of a return hose 32 is opened in a lower end surface of a flywheel housing 3, and the other end part 32B of the return hose 32 is constituted so as to be opened in a position becoming the upper side more than a liquid level of the lubricating oil L when the gear housing 5 inclines among a housing body 6. Thus, for example, the gear housing 5 inclines in the horizontal direction in an inclined place, the lubricating oil L in the oil reservoir part 6B can be restrained from being introduced into the other end part 32B of the return hose 32. Thus, the lubricating oil L in the oil reservoir part 6B can be prevented from flowing backward in the flywheel housing 3 via the return hose 32 so that a proper quantity of lubricating oil can be always secured in the oil reservoir part 6B.
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