1 Listen to whether the running sound of the rotor is normal or not. Whether there is friction or not.
2 Check the connection bolts for looseness
3 Whether the bearing temperature meets the requirements of the technical document
4 Whether the cooling water is smooth or not
5 Whether there is air leakage in the part of shaft seal device
6 Whether the running sound of the transmission gear or the gear transmission is good
7 After the shutdown, the rotor shall be checked for axial displacement, the clearance between the two rotors or between the rotor and the casing, the clearance between the impeller and the air inlet, etc., and whether there is any change before the test run.
8 Check electrical and instrumentation for damage or failure.