| 摘要 |
PROBLEM TO BE SOLVED: To enhance the fastening accuracy of a body frame of split type when the engine hanger parts of the respective segments according to splitting are to be fastened to an engine. SOLUTION: The body frame is split into a front and a rear frame segment, and thereby the engine is fastened from the front and the rear. Bolts are used on the left and right of the body to fasten the engine hanger part 6 of the front frame segment with the engine side fastening part 8 formed in the cylinder block part 7a of the engine, and among them the bolt 40 to make fastening on the left of the body is embodied in a stepped type, and a through hole 6d in a boss 6a and a large diametric hole 8a formed in the engine side fastening part 8 are located coaxially by a major diameter portion 41 of the stepped bolt 40, whereby the fastening accuracy is enhanced by fastening in this condition, a screw part 42 to a female threaded hole 8b coaxially. COPYRIGHT: (C)2007,JPO&INPIT
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