Water pump bearing maintenance - bearing knowledge

1) New pump put into use, must be replaced after running 100 hours (grease Oil) 1, 500 hours after each run. 2) Flow is lubricated by grease bearings, run after 1500 hours, should be replaced, grease filling the oil amount is too little or too much, because too much or too little will cause bearing grease fever, amount to general in bearing chamber volume 1/2 ~ 2/3 is advisable. 3) For bearing is lubricated by lubricating oil, the oil should be added to the specified location. 4) Containers of lubricating oil or grease to clean, should be sealed at ordinary times, should not have dust, iron and other sundry, in order to avoid damage to the bearings. 5) Motor bearings commonly used sodium base grease, this kind of ability is the feature of high temperature grease ( 125℃) , but easy to dissolve in the water, so can't use it for water pump bearing lubrication.