Question about Powermatic 66 10" 3 HP 1 Phase 230V Table Saw w/ 30" Accu-Fence & Rout-R-Lift 1660806K

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Powermatic 66 wiring problem

Hey everyone. I have a PM-66 table saw. It has a 3 phase 5hp baldor motor. I believe the wiring is connected wrong making my blade spin counter-clock wise. any suggestions? wiring diagram? Thanks . Tom

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Simple solution: switch two of the wires. Doing so will reverse the direction of the motor. You can switch it at the motor or on the electrical plug end.

Posted on Nov 22, 2013

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: My Powermatic 66 table saw won't start.

Your saw motor is equipped with a two speed internal start switch. Over time saw dust will get into the contacts and cause the points to burn. You can pull the end off of the motor and take some 400 grit sandpaper to the contacts to clean them( there are two sets of contacts one works in the out position the other in the in position) it will be the set in the in position that is the problem. Gentle clean them, reassemble the motor end cap and it will work fine. I have to do this about once a year to my saws. I use my saws about 25 hours a week. I have been doing this to one of my Powermatic saws for 31 yrs. now.

Posted on Jul 29, 2009

Fred Yearian

  • 5603 Answers

SOURCE: I have recently purchased used powermatic 66 Table

That is the current setting for a motor-starter which is an overcurrent sensor. This is a circuit breaker like device that usually has a heater coil that opens a contact which cuts the power to the relay that powers the motor to prevent overload damage to the motor.

The dial is in AMPS and should be set just slightly higher than the nameplate amp rating for the motor.

Posted on Oct 24, 2009

Anonymous

  • 9 Answers

SOURCE: I have a powermatic table saw, 7 years old with a

You have a bad capacitor or a fouled starting winding centrifugal switch. The switch contacts can be cleaned and burnished and you can pick up a new cap from e-bay. It is most likely the switch. This requires motor disassembly. If you are not familiar with the process, take it to a motor shop. The switch is in the back end of the motor and is attached to the end cover. Sawdust in the motor, even though it is TEFC, it will get dust in it causes this condition.

Posted on Apr 04, 2010

Tim Mulligan

  • 6 Answers

SOURCE: i have a powermatic 66 table saw. I removed the

Check to make sure the arbor set screw is not loose. The bearings may have shifted when you moved it. I recently rebuilt an old 66. Repositioning the bearings and tightening the set screw could be all it needs.

Posted on Sep 16, 2012

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1 Answer

Need help wiring a 5HP 1Phase motor on Powermatic 66


As you only have 4 wires from the motor it should be straight forward as two would be from the start winding (Black and red) and the other the run winding (White with yellow stripe and Blue). You should be able to check this with a tester as there should only be continuity between the wires as mentioned above.

Reference the thermal switch, I am not 100% sure on the color codes but have attached a diagram which should help but will advise as best as I can on the connection. The diagram is for a high/low voltage but you can disregard the winding on 3 and 4 but should help on the understanding.

Join the blue and black wire from the motor together and connect to the black wire from the supply. You should be able to run the motor (Excluding the thermal switch) by connecting the White with yellow stripe and the red wire together along with the white from the supply. To include this switch I would presume that you would connect the red wire from the motor to the brown wire from the thermal switch, the yellow wire from thermal switch to the White with yellow stripe from the motor and finally the white wire from the thermal switch to the white from the supply.



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1 Answer

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Check to make sure the arbor set screw is not loose. The bearings may have shifted when you moved it. I recently rebuilt an old 66. Repositioning the bearings and tightening the set screw could be all it needs.

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That is the current setting for a motor-starter which is an overcurrent sensor. This is a circuit breaker like device that usually has a heater coil that opens a contact which cuts the power to the relay that powers the motor to prevent overload damage to the motor.

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Your saw motor is equipped with a two speed internal start switch. Over time saw dust will get into the contacts and cause the points to burn. You can pull the end off of the motor and take some 400 grit sandpaper to the contacts to clean them( there are two sets of contacts one works in the out position the other in the in position) it will be the set in the in position that is the problem. Gentle clean them, reassemble the motor end cap and it will work fine. I have to do this about once a year to my saws. I use my saws about 25 hours a week. I have been doing this to one of my Powermatic saws for 31 yrs. now.

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