Fastening method for inspecting the impeller, the method fastening of the impeller, the fastening inspection system of the impeller, and the impeller of the fastening device

Fastening inspection method of the impeller is inserted into the bearing housing, the impeller is provided at both ends projecting from the bearing housing, of the impeller, together with at least one is fastened by a fastening member, by a fastening force by the fastening member, an impeller integrally to the turbine shaft rotating member is fastened to rotating manner, directly, or a step (S212) to give indirect vibration, a step (S214) for measuring the vibration of the turbine shaft, the vibration of the measured turbine shaft number the peak vibration includes a step of determining whether included in a preset range (S216), the.