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I have a small table top bandsaw, 1/3 hp single phase motor. The start/ run capacitor has gone bad. It is 20uf at 250-350 vac. Where can I get one?

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Try ebay

Posted on Apr 19, 2017

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Posted on Jan 02, 2017

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I have a Ingersoll Rand Compressor model# 2545E10V 10 HP,3 phase and I would like to convert it to a signle phase. would this motor here be good to go with and what other items will be needed to complete...


It might. Mounting holes match? Shaft diameter and adapter match? Power supply sufficient for 5HP motor? It's a big motor! You might get a better answer from the ebay supplier.

Mar 05, 2015 | Ingersoll Rand Air Tools & Compressors

Tip

How to Reverse the Rotation of Single Phase Capacitor-Start Electric Motors


Reversing the rotation of electric motors can be done easily with 3-phase motors. This can be easily achieved by swapping the connection of any two motor leads. But 3-phase motors are usually found and used for industrial purposes. The ones found and used in our homes, from water pumps to electric fans, are single phase capacitor-start type motors. Unlike 3-phase motors, reversing the rotation of single phase electric motors is no easy task. Swapping any two motor leads will not result in the reversal of the motor rotation. Analysis of the motor windings and connections are necessary before any modification can be done to achieve the desired result. Let's take a 3-speed single phase capacitor-start electric motor with electrical diagram shown below as an example. Make sure the motor is disconnected from the power supply before attempting to follow this tip. This tip is intended only for individuals with electrical knowledge, necessary tools, and understand the risks associated with handling electrical equipments and devices.

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The first step in the process is determining the start winding which is connected to the line (AC white) and to one side of the start capacitor. To accurately determine the start winding, disconnect all motor leads from the start capacitor and the speed switch for multi-speed motors and then setting your ohmmeter to the lowest scale (R x 1), measure the resistances between the AC white line and each of the motor leads connecting to the start capacitor. The one with the least resistance is the starting winding lead.

Once the start winding lead going to the capacitor is determined, reconnect the capacitor then connect the black AC line to the found start winding lead (marked X). Connect the white AC line to L of speed switch, the motor lead formerly connected to AC white to 3, red to 2, and white to 1 as shown below. Leave the green/yellow ground wire connection as is.

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Below are the wiring modifications for 2-speed and single speed single phase capacitor-start electric motors.

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on Jan 11, 2011 | Dryers

1 Answer

My table saw will not start. the power source is good.


If the motor is using a single phase supply there will be a capacitor which could have reduced in value- open.
If so try and use a capacitor in parallel to see if the motor works-- in this case the motor might hum and get heated up.

Mar 11, 2011 | Delta 36 982 10 Inch Left Tilt 1 1/2...

2 Answers

Taking my P660 out out a building with 3 phase power and into one with only single phase. Converter says motor will run on 2/3 power. Good or bad idea????


Good!

MOTOR:

21?2 H.P., Hobart designed, high torque ball bearing,

ventilated within mixer enclosure. Single-phase is

capacitor-start, induction-run type.


Three-phase is

polyphase squirrel cage, induction-run type.


Single Phase 208V 20.0 Amps

240V 17.0 Amps


Three Phase 208-240V 8.6 Amps

Nov 26, 2010 | Hobart P660 Stand Mixer

1 Answer

My Powermatic 66 tablesaw has a 3 phase 230 Vac motor on it but I cannot tell if it is a 3 hp or 5 hp. All the tags are gone from the motor. Is there any way to tell from the serial number? 8666-1008.


There will be a tag on the motor that will give the specs. Sometimes they are hard to see from the underside and its not easy to remove the top see them. Try lowering the motor (with blade removed) all the way and use a digital camera to reach up into the cabinet and photoqraph the top of the motor. I had to take several since your shooting blind to get a picture of mine.

Nov 09, 2010 | Powermatic 1660802K Model 66 Special...

1 Answer

I would like to connect a pressure switch to the motor starter


hi! there, single phase compressor motor need a starting capacitor base on the rated capacity in horse power,you can check this on the tag of the compressor motor how many horsepower was indicated,it should be for single phase motor starting capacitor has a capacity of micro farads.for a 1 horsepower = 15 to 18 micro farads stating capacitor if you have more than 1 horsepower you can basically proportion the value of capacitor you need or ask the dealer how much capacitor you need on your motor the connection of pressure switch with a four terminal should be connected both on common line L1 and running capacitor line L2 .if you open the cover of pressure switch there are 4 terminals,2 terminals are connected when normally close or no pressure they connected on series connection on the common line one terminal connected to common line of the compressor and the other terminal on L1 to the pushbutton switch to L1 supply line.the 2 other terminals also connected in series withe line capacitors L2 to yhr power supply line.hope this will help you a lot.just rate my fix thanks a lot.

Apr 20, 2010 | Air Tools & Compressors

1 Answer

Motor is from a table saw; it rans badly only for a short time and it blows the breaker. Thanks for info Chris Schwarzmaier Additional info: single phase 220, 2 hp, no interial centrifugal switch, start...


Check the brushes to see if they are worn. Also, check the commutator (where the brushes run) Double check the capacitors to make sure that they are the right value. Most motors that size can be wired several different ways -- make sure it's wired right for your hookup.

Dec 03, 2009 | Cars & Trucks

3 Answers

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.

Oct 24, 2009 | Powermatic 66 10" 3 HP 1 Phase 230V Table...

1 Answer

Table saw capacitor heats up and explodes.


The wrong capacitor for one thing. There are starting caps and running caps. The starting cap is in the circuit for only long enough for the motor to get up to speed. If you have a Leeson motor that has a start and run cap then the run cap may not be the correct on. If you have a start cap blowing out I suggest you check the centriifugal switch in the end of the motor. It may have welded the contacts shut. In any case, I would take it to a motor shop .

Mar 11, 2009 | Powermatic 66 10" 3 HP 1 Phase 230V Table...

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