Motor maintenance: explosion-proof motor disassembly sequence
Sometimes there will be some failures in the operation of the explosion-proof motor, which requires maintenance and maintenance of the motor, it is necessary to disassemble the explosion-proof motor for detection and handling errors, so how should the motor be disassembled? What is the order of disassembly? Next, I will explain to you:
Disassembly of explosion-proof motor
Preparation before disassembly of explosion-proof motor: First place a mark label on key components and wiring points such as motor wire ends, junction boxes, end covers, brush grips, etc., for easy identification. At the same time, these parts and wires are inspected and tested.
Explosion-proof motor disassembly sequence and method:
1. First cut off the explosion-proof motor power supply, disassemble the connection line between the explosion-proof motor and the power supply, and then insulate the power supply to avoid electric shock.
2. Loosen the belt pulley and motor coupling, at this time you can loosen the anchor bolt and ground bolt.
3. Remove the coupling and pulley, and then remove the fan cover and fan. If the fan cover and fan blade have accumulated ash, it should be cleaned in time.
(4) If the explosion-proof motor is a winding motor, then you can first lift and remove the brush holder, brush and key components such as the lead line.
5. End cover and outer cover disassembly sequence: remove the outer cover of the front bearing, the front end cover, the rear bearing outer cover, and the rear end cover.
6. Pull out the main parts of the rotor, keep the inside of the rotor clean, do not have any bump.
7. Check whether the explosion-proof motor bearing is intact. Then remove the front bearing - front bearing inner cover - rear bearing - rear bearing inner cover.
Summary: The sequence of explosion-proof motor disassembly is very critical, it is best to detect and troubleshoot each disassembly, so as to ensure the normal operation of the explosion-proof motor after maintenance and handling of faults.
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