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Yes, a bad AC bearing can cause a motor to overheat. When the bearing is worn or damaged, it increases friction and resistance, making the motor work harder to operate. This additional strain leads to higher temperatures, potentially damaging the motor and other components if not addressed promptly. Regular maintenance can help prevent such issues.

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What is the best method to repair a fractional horsepower motor that has bad bearing?

To repair a fractional horsepower motor with bad bearings, first, disconnect the motor from its power source and remove it from its mounting. Carefully take apart the motor housing to access the bearings, then remove the old bearings using a bearing puller or by tapping them out gently. Clean the bearing surfaces, install new bearings, and reassemble the motor, ensuring everything is aligned properly. Finally, test the motor to ensure it runs smoothly before reinstalling it.


Will a pinched wire cause a 3 phase motor to go bad It was actually 2 half broken wires barely touching so 2 phases were getting the correct voltage 1 minute and vibration would cause to loose volt?

It could do so. If the circuit was correctly wired it should have blown the fuse or tripped the circuit breaker before the motor burnt out so get this checked before you replace the motor. A three phase motor will overheat and eventually burn out if all three phases are not connected and giving the same voltage. If the motor is expensive then buy and install a special switch which will cut the supply to the motor if the phases are not properly in balance. this will usually cost about 1/10 of the motor price, a good return on investment.


Why would the copper tubing freeze from the outside air conditioning unit?

Poor Airflow due to a dirty filter,dirty evaporator,dirty blower wheel, bad or weak run capacitor, or even a bad bearing in the fan motor causing it to overheat and shut off on overload while the compressor still runs, thus causing the unit to freeze up. On some systems it is possible that when the thermostat is satisfied and the indoor blower motor shuts off, the compressor could keep running if the contactor is sticking for 1 reason or another. Examples of this would be fireants or ladybugs in contactor or just an old contactor that has burnt points that stick some or all the time after running and getting hot. -Brad75-


Can a bad ac resistor cause the ac not to work?

Yes, a faulty AC resistor can cause the air conditioning system not to work properly. The resistor controls the speed of the blower motor, and if it fails, the motor may not operate at all or may only work at one speed. This can lead to inadequate airflow and ineffective cooling. Therefore, addressing a bad AC resistor is essential for restoring proper function to the AC system.


Ac sreeching when driving?

Possibly loose belt or bad bearing(s). Check tension first.

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