| 摘要 |
PROBLEM TO BE SOLVED: To easily pull a spline shaft 17 into a spline hole 13 even when the spline hole 13 is tightly engaged with the spline shaft 17. SOLUTION: The spline shaft 17 is coupled with and fixed to a screw rod 37 by screwing an inner end part of the screw rod 37 into a screw hole 35 formed in a tip surface of the spline shaft 17. Next, a pulling tool 38 screwed to the screw rod 37 is rotated while the inner end face of the pulling tool 38 is abutted on an outer end face of a hub 4b. The screw rod 37 can be pulled outwardly by a strong force based on the rotation.
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