Separate bearings such as koyo bearings can be inspected separately for the rolling surfaces of the rolling elements and the outer ring. Large deep groove ball bearings can not be rotated by hand. Pay attention to the appearance of rolling elements, raceways, cages, ribs, etc. The higher the importance of bearings, the more careful inspection is required.
(1) Pumps newly put into use by koyo bearings must be replaced with grease (oil) after 100 hours of operation, and replaced once every 500 hours.
(2) Flow koyo bearings lubricated with grease. After 1500 hours of operation, the grease should be replaced. The amount of oil to be filled should not be too much or too little, because too much or too little grease will cause the deep groove ball bearings to heat up. The amount of fuel is generally controlled at 1/2 to 2/3 of the volume of the bearing chamber.
(3) For bearings lubricated with lubricating oil, the amount of oil should be added to the specified position.
(4) The container containing lubricating oil or grease should be clean and should be sealed properly. There should be no dust, iron filings and other debris to avoid damage to the bearing.
(5) Motor deep groove ball bearings generally use sodium-based grease, which is characterized by high temperature resistance (125 ° C), but is easy to dissolve in water, so it can not be used for lubrication of koyo bearings.
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