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The explosion-proof motor shall not disassemble; disassembly and maintenance, can not use parts of the fulcrum of the explosion-proof surface as the crowbar but not allowed to beat or strike, explosion-proof surface. When disassembling the motor, should take the lee cover, fan, bolts, and then remove the cover plate hand casing and the bearing cap is then made of logs or copper rod along the axial direction of the shaft extension end of the collision, separate cover and a base, finally remove the rotor. Demolition of parts, explosion-proof surface should be put up, and rubber or cloth pad cover, fastening bolts, spring mats, and other attention should not be lost. When painting and assembling, it is necessary to clean the insulating paint or dirt that is attached to the explosion-proof surface, and not to scrape with hard objects such as iron sheets, but it can be used to grind uneven stones.