(1) Overhaul main engine and gear box:
1) Replace the rotor bearing of the main engine;
2) Replace the mechanical shaft seal and oil seal of the rotor of the main engine;
3) Replace the rotor adjusting pad of the main engine;
4) Replace the rotor gasket of the main engine;
5) Adjust the precise clearance of the gear box;
6) Adjust the precision clearance of the rotor of the main engine;
7) Replace the main and auxiliary rotating bearings of the gearbox;
8) Replace the mechanical shaft seal and oil seal of the gearbox;
9) Adjust the precise clearance of the gearbox.
(2) Add butter to motor bearings.
(3) check or replace the coupling.
(4) Clean and maintain the air cooler.
(5) Clean and maintain the oil cooler.
(6) check or replace the check valve.
(7) check or replace the pressure relief valve.
(8) clean water and gas separator.
(9) replace the lubricating oil.
(10) Clean each heat dissipation surface of the unit.
(11) Check the working condition of all electrical components.
(12) Check each protection function and its set value.
(13) Check or replace the pipelines.
(14) Check the contact of electrical components.