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My table saw motor began to race, then whine, then stop. Is there some lubrication that I was supposed to put in the motor?

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Sounds like a bearing busted or complete motor failure (armature comm bar seperation). When a bearing is operational there is some resistance to the armature. I think some of the balls busted out when the motor was running. This would have caused the motor to "race" because the resistance would have been lower. The whine may have been from the ball cage finally getting wrapped up and causing friction. And of course the motor stop because it got burned up. There could be many different causes for this end result. If you are uncomfortable going into the motor it would be best to bring it to a professional repair facility. This is not going to be a quick fix, and an experienced hand will be able to pinpoint the problem a lot quicker because of his/her trained eye and problemsolving. Depending on the model, there are many different ways with which to diagnose the problem. I may be able to help if you could provide the brand, model, and serial #.

Posted on Oct 07, 2009

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Check the receptacle for power. Also double check the voltage on the saw's nameplate. If it's supposed to run on 110 or 220 volts. Some saw motors are multi-tap and can be wired for both voltages. What kind of saw is it? Is it belt driven or direct drive?

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Wsc255 circular saw makes a whining noise when I start it up when I put the blade onto the wood the blade stops.


Either the motor is shot or the bearings are shot. Or both. You can buy replacement parts on eReplacementparts.com. It might be worth your time to just buy a new saw. Look on eBay.

Feb 04, 2014 | Hilti Saws

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Lubricate motor


NOOOOOO! There are sealed bearings that will need to be replaced!

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My 10" Steel City table


I have a hard time believing that as well. Though I haven't used that saw, I thought they were supposed to be well engineered and manufactured....
Check to make sure there is nothing obstructing the motor itself from moving as it should. If there are truly no obstuctions, it's possible that something has vibrated loose and the mechanism is not engaging as it should, especially as the trunnion starts to bear the weight of an inclined motor.
I recommend you consult the exploded parts diagram available in the online manual, which you can get here, or that you contact steel city's technical support customer service department here.
I'm sorry I can't offer more, but I'm not familiar with that particular saw or it's mechanisms.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

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I have a 10" Delta Table saw Model 34-670. I was


Check nameplate on motor for amp draw, and then check that against your breaker and wire size.
http://waterheatertimer.org/Color-codewire2.html

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.

Mar 02, 2011 | Delta Saws

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I haven`t used the saw in a year, should I lubricate the motor bearings? Something is making a sqweaky sound when I turn on the saw.


Unplug the saw. Look inside the blade housing for any foreighn objects. if it is clear, shoot some oil into the bearings and work it in well.

Feb 25, 2011 | Ace Hardware Ace; Table Saw with Stand

1 Answer

Manual for #103.0205 circ. saw


Earlier comment 103.0205 Table Saws does not need lubrication is simply wrong.

The103.0202, 103.0203, 103.0305 Craftsman Companion Table Saws main Arbor axle DOES have to lubricated or else the axle bearing will quickly loosen side-to-side or vertically and fail to provide accurate saw cuts.

FWIW, Sears no longer sells Arbor Axle replacement parts... The Table Saw Arbor axle and Bearing Housing cannot use sealed bearings unless the saw case is re-milled and extensively modified. There are 2 Oil Hole Plugs (part# 475-32) that need to be opened and oil applied so the Arbor axle shaft does not get scored or worn.

I use 30wt motor oil to relube the Arbor Axle Shaft depending on amount of use, temperature, and axle rotation stiffness.

Remember, the higher the RPM speed of the table saw motor and/or the longer the use, the more frequently you may need to relube the Arbor Axle Bearing!

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1 Answer

Sounds like I need to lubricate something.


flip over the saw you will see a motor
take it out the bearings need changing.

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