Ihave a 10 in. table saw (Delta 110 volt). I replaced the switch but it keeps tripping the breaker. I tried several switches but with the same results. I can straight wire the motor and it runs. I am familiar with simple wiring but this has me stumped. Please e-mail if you have any suggestions? Thanks,Earl firstname.lastname@example.org
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Feb 12, 2014 - Uploaded by AdventuresInDIY
See how an in the way power box on a 10 inch Delta table sawwas switched out ... Would you happen to have a wiring diagramfor your saw.
How many wires do you have? The switch is probably a 2 pole, On-Off. If you have 2 wires, connect them to two terminals on one side of the switch (use an ohm-meter to find which terminals make-break). If there are 4 wires, connect the black and white power cord wires to different sides of the switch. Then connect the two motor wires to the two remaining terminals. DO NOT CONNECT THE BLACK AND WHITE POWER WIRES TO THE MAKE-BREAK TERMINALS OF THE SWITCH. This creates a short in the power cord and will trip a breaker.
If table saw worked on the breakers before and suddenly stopped working, then see if you can lubricate motor bearings >> look for oil cap on each end of motor and use 3-in-1 oil. Clean the saw and make sure there's nothing rubbing against drive belt and that saw blade rolls easily when saw is turned off.
if this tool is 220 and you are running on 110 that is your problem. Some motors can be rewired to run on the proper current. UNPLUG tool and remove small cover from motor and usually they will have a diagram to show you how to change over. running this on the 110 will burn up the motor.
I assume that you are using the motor on 115 volt service. Remove the drive belt and check for excess friction in either the saw arbor bearings or the motor bearings. If both seem free to turn, then suspect that the start capacitor on the motor has failed. They usually become open circuited which prevents the start rotation. It will just sit there and hum loudly until the breaker pops. You may also have a defective 20 amp breaker--you will need a clamp-on AC ammeter to verify. Suggest that you run the saw on 230 volt service when you get it running. You will be amazed at the acceleration and apparent power available. My table and radial arm saws are both set for 230 volt operation and love it. Go to: Searspartsdirect.com and enter the complete model number minus the decimal point. This will take you to a series of drawings that list all replaceable parts. Hope this helps!
As a Contractor I always bypassed the on board breaker switch cause i found them to be a pain and always trippin. If you are concerned about burning up the motor i would just install an inline breaker like a GFI outlet. Please give a 4 thumbs up if you have found this free answer helpful. Good Luck and have a Great Day.
I have a table saw that the cord from the motor plugs into the the back of the on/off switch. I yours is configured like that, unplug the motor cord from the back of the switch and plug it in to the wall and see if the motor will run. If so replace the switch.