How to find the water pump coupling alignment?

       The alignment of the water pump coupling is carried out in accordance with the "General Rules for the Acceptance of Mechanical Equipment Installation and Acceptance Specifications" and the "Specifications for Installation and Acceptance of Pumps and Compressors". Yes, for large pumps, high speed pumps, especially rigidly connected pumps, there is a dial indicator to check the concentricity and coaxiality.