Thread Number: 54005
Using a Maytag electric motor for special project 		[Down to Last]

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Post# 763406   6/13/2014 at 07:42 (3,604 days old) by lodge34 ()        

I got a hold of a XV Maytag motor from a friend and want to utilize it for my super-mini lathe as a driver.

The motor have markings:
1/3Hp 115 V, 60 Hz, 1725 RPM, Code: R, PCB131A. Also has a little black box on the back of the shaft end with 5 cables coming out of the box:
Light Blue
White
Yellow
Black
Red
The cables that come from the motor to this box do not corresponf with the same colors above.

COuld anyone give me a connection diagram utilizing these 5 cables out of the box?
Thanks
These pictures if that helps

  Photos...       <              >      Photo 1 of 3         View Full Size



Post# 763413 , Reply# 1   6/13/2014 at 08:32 (3,604 days old) by thefixer ()        

Connect power between red and white wires to run motor. You can disconnect the other wires. Black box has two switches operated by centrifugal mechanism in motor. One switch connects red wire to motor start winding. After motor has started, power to start winding is removed and then red wire connects to yellow wire. Used in dryer to complete other circuitry. Other switch connects black and blue wires. Used in dryer to complete heat circuit.

Post# 763417 , Reply# 2   6/13/2014 at 09:08 (3,604 days old) by thefixer ()        

Disregard, upon looking at photo's again, my advice appears to be wrong. Need to see other side of black box. Can you get model number of machine this came out of?

Post# 763419 , Reply# 3   6/13/2014 at 09:21 (3,604 days old) by thefixer ()        

Ok, sorry, this is out of a washer, not dryer. Connect black and red across 120vac for run winding, and across yellow and blue for start winding. Disconnect white wire. You can reverse polarity of either winding (not both) to reverse direction of rotation. Will provide photo of wiring diagram.

Post# 763421 , Reply# 4   6/13/2014 at 09:58 (3,603 days old) by thefixer ()        

Here is photo of switch and motor wiring diagram. White wire in washer is used to provide neutral to timer contacts along with blue and yellow wires so that polarity to start winding can be reversed for motor direction reversal. You don't need the white wire unless you are going to wire in a switch for reversing motor direction.

  View Full Size
Post# 764065 , Reply# 5   6/16/2014 at 18:32 (3,600 days old) by lodge34 ()        
Motor Connections by TheFixer

 Thanks a lot, that resolved my problem.
Much appreciated you took the time and look this up for the answer.
How many amps do you think this motor will need to start up? I need to used it with a solar system with an inverter that can pull up to 1,200 watts.
Again, thanks a lot.

Post# 764106 , Reply# 6   6/16/2014 at 22:00 (3,600 days old) by thefixer ()        

The full load running current on this motor is about 7.5 amps, average load about 4.8 amps. Starting current without a capacitor varies 5-10 times running current. Using a capacitor can reduce that to 2-4 times.


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