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. Remove the parts, the explosion-proof surface should be placed on the top, and rubber or cloth padded cover, fastening bolts, spring mats, etc., be careful not to lose. When dipping and assembling, clean the insulating paint or dirt adhered to the surface of the explosion-proof surface. No hard objects such as iron sheets can be scratched and scratched, but they can be ground in rough places with whetstone.