Do remember to add lubriting oil to gear box before the intial operation.
In order to get stable performance for agitator and longer its lifetime, Periodical maintenance is necessary. Check and insure quantity and quality of gearing box lubricating oil. Lubrite bearing periodically.
During the intial operation, clean out gear box lubricating oil and add new one. After initial operation, replace lubirating oil every 2500 hours.