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A lot of shop vac motors have brushes, due to the motor's power needs. Unplug it (obv) and get to taking off all the covers until it's just you and the motor. On most shop vacs, you shouldn't need to remove the impeller (fan), and it's better just left alone. The brushes are usually just under spring tension.
Yes it can. Below is an item # for a 2HP motor being sold on Ebay:
Item number:
280564320553. If yours is a different HP, do a search on Google for "Shopvac motor replacement".I also recommend that you call sears - maybe your vac is still under warranty?Good luck.
by pass the switch and take power right to the motor leads.. that should tell you if the motor is ok.. have not seen fuse link on a vac motor.. graingers has new motors, but not inexpensive
The brushes that make contact with the motor's armature need to be cleaned. If you get into the motor and find that the armature is scored or burnt then you'll have to replace the motor.
I just went through the same problem with a Shop Vac. The switch is easy to replace but not easy to find. After removing the switch, I found a match made by Sigma Switches. They directed me to contact a local RV dealer and look in either their Coast Supply or Stag/Parkway Supply catalogs for the appropriate switch (an H2-28 in my case for a QPL45 Shop Vac). After ordering the switch and $5 later, it snaps in like the original with no problems. Certainly beats $70 for a whole new motor assembly.
Then the motor brushes may be worn, or a winding is open circuit. Sears is pretty good at replacement parts, and they probably can supply just the motor assembly.
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