1. Clean the motor and remove the dust and sludge outside the motor base in time. If there is a lot of dust in the environment, it is best to clean it once a day.
2. Check and wipe the motor terminals. Check whether the junction box wiring screws are loose or burned.
3. Check the screws of each fixed part, including anchor screws, end cover screws, bearing cover screws, etc. Tighten the loose nut.
4. Check the transmission device, check whether the pulley or coupling is bold or damaged, and whether the installation is firm; Whether the belt and its coupling buckle are in good condition.
5. The starting equipment of the motor should also be wiped with external dust in time, and you can wipe the contacts, check whether there are burn marks on each wiring part, and whether the grounding wire is good.
6. Inspection and maintenance of bearings. Bearings should be cleaned and replaced with grease or oil after a period of use. The time of cleaning and oil change should be determined by the working condition of the motor, the working environment, the degree of cleanliness, and the type of lubricant. When the oil temperature is high, or the motor with poor environmental conditions and a lot of dust should be cleaned and changed frequently.
7. Inspection of insulation. The insulating capacity of the insulating material varies depending on the degree of drying, so it is important to check the dryness of the motor windings. The working environment of the motor is humid, there are corrosive gases in the working room and other factors, which will destroy the electrical insulation.
The most common is the winding grounding fault, that is, the insulation is damaged, so that the live part collides with the metal part that should not be charged such as the casing, and this fault occurs, which not only affects the normal operation of the motor, but also endangers personal safety. Therefore, in the use of the motor, the insulation resistance should be checked frequently, and attention should be paid to check whether the grounding of the motor casing is reliable.
8. In addition to the regular maintenance of the motor according to the above contents, it should be overhauled once after one year of operation. The purpose of the overhaul is to carry out a thorough and comprehensive inspection and maintenance of the motor, supplement the missing and worn components of the motor, completely eliminate the dust and dirt inside and outside the motor, check the insulation, clean the bearings and check their wear. Find problems and deal with them in a timely manner.
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