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How to check whether the motor leads of the industrial hot air blower are damaged?
Release time:
2023-04-28
Before connecting the motor power cord of the industrial hot air blower, you must first open the junction box cover, and use a multimeter to test that the motor winding has no voltage to prevent any problems during the wiring process. After we confirm that there is no problem, we need to make corresponding symbols for the three-phase leads, and then we can remove the power leads.
The next thing to do is to short-circuit and ground the three-phase leads of the power supply end of the industrial hot air blower motor, and wrap the joints with white cloth to protect them from damage during the repair process. In order to ensure the normal operation of the motor, it is necessary to further check the junction box cover seal and lead sealing sleeve of the industrial hot air blower motor to ensure that there is no aging crack phenomenon.
It is necessary to check the degree of dryness and cleanliness in the motor junction box of the industrial hot air blower, and there must be no dirt or oxide layer. Measure the phase-to-ground as well as the phase-to-phase insulation resistance and the insulation resistance of the power line to the ground to ensure that it can be kept within the specified range.
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