| 摘要 |
PROBLEM TO BE SOLVED: To improve the accuracy in assembling by using positioning holes formed on each of components and to improve the durability and reliability. SOLUTION: A casing 1 is provided with positioning holes 3, 4, a fixed scroll 5 is provided with positioning holes 8, 9, and a revolving scroll 12 is provided with positioning holes 17, 18, 19, 20. When an air compressor is assembled, the casing 1 and the revolving scroll 12 are assembled in a state of being positioned by an assembling assist pin 22, and the resolving scroll 12 and the fixed scroll 5 are assembled in a state of being positioned by an assembly assist pin 23. As the casing 1 and the fixed scroll 5 can be accurately positioned on the basis of the revolving scroll 12, the accuracy in assembling can be improved, and the assembling work can be efficiently performed.
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