I need to replace the motor on my DW746. Is there anything tricky about this? It looks like all you need to do is pull the through bolt from the on-saw bracket, take off the belt, and the motor pops out of there. I guess that humongous spring will force the bracket out into your waiting hand, but my experience is that it's never this easy. Any tricks to it?
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it is not the switch. it is the start run capacitor. it is located under the hump on the motor. becarfull when you uncover it, it may still hold a charge. after you have removed the cover you must replace that shiny things that has all the wires in it. careful to put the wires back that way thy came. and get a capacitor with the same UF Microfarits.
HI, could be the Brushes need replacing, take them out and have a look at them , they are located on either side of the motor,you will see a black plastic nut or screw remove this and a wire within a spring will pop out a little bit, gently pull this out and you see a black piece of carbon at the end of it, this is usualy 1/4--1/2 "long condition should look good , however , if it looks badly worn with a lot of grooving on the end then you must replace them.,if you think this is a wee bit difficult then you will have to contact a motor repair comp. or get them to fit a new motor as it sounds like yours is shorting out....T.C.
That is the selinoid..it needs replaced..if it is not under warranty ...buying a new motor from Harbor Freight would be best ..I did this my self this year..Craftsman could not replace the selinoid on mine so that was my fix
i looked online at places I get parts from. Neither listed the motor as a part the had the aramature for about $70 and the field for about $35. Have you tried the reset button? also it may just need new brushes.(if you see lots of sparks at the end of the motor opposite the blade, look through the air vent slots it is likely the brushes, unplug the saw, and take them out and replace them HERE is a blow up ) the I would think that if the saw is well used and the motor has burnt out. It may be a lost cause. I am not sure what the price of this was new but you can get a reconditioned saw from Amazon
for 135 bucks. And it is a 15 amp saw.
went to Sears site and no luck most parts are discontinued. So maybe try Grainger with the information from the data plate on the motor for a replacement or check in yellow pages for a local dealer of electric motors. I don't really think that there should be anything special as long as the output shaft and mounting are the same. Good luck sorry I don't have better info for you.
If it is direct drive blade mounted to motor) you will have to remove the motor and check the bearings. Most newer electric motors have sealed bearings. I would suggest that you remove the motor and take it ot an electrical shop (call around first) and have them replace the bearings, clean it up and replace the carbon brushes. Anothe alternative is look for a replacement motor through places like Grangers, Norther Tools, etc.
If it is belt driving check all the components (pulle bearings, etc) for friction.