Question about Dewalt Factory-Reconditioned DeWalt DW432R 8 Amp 3-Inch by 21-Inch Belt Sander with Dust Canister

1 Answer

Motor runs but the drive drum that hold the sanding belt does not turn.

The motor runs and the belt pulleys are fine, but the drive drum for the sanding belt does not turn. I am unable to get the drum off of the sander to determine what is not working properly. I know the nuts are left hand, but they are recessed into the drum itself.

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  • Anonymous Mar 25, 2014

    Conveyer belt drifts to right to wards pulley

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Instead of removing the drum, remove the belt and the cover over the gearbox. The gearbox cover is normaly fixed in place by screws around the drive pulley. There may be a couple of screws under the pulley, if so they can be accessed via holes in the pulley wheel itself. Check for worn or stripped gears. These gears can be replaced if need be, but if this is the case make sure you remove and clean out all the grease first and replace that aswell as it may contain bits of teeth that have come off the faulty gear. As far as I know belt sander drive rollers can not be removed without removing the drive inside the gearbox first.

Posted on Nov 01, 2008

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Hi, Consult your user manual for the instructions to install a new belt.  Follow these instructions selectively to tighten the belt tension. Here they are....  
CHANGING DRIVE BELT


  Using a phillips head screwdriver, remove the two screws
in the center of the pulley cover.
  Remove the cover.
  Raise sanding belt to the vertical sanding position.
  Next, loosen the hex head set screw. Raising the motor
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  Remove the old drive belt.
  Fit the new drive belt on the drive pulley first and then on
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  Test belt tension by squeezing the belt with your fingers.
  Adjust the belt tension with the hex head set screw until
there is about 1/4 in. (6 mm) of give.
  Tighten the belt tension nut securely.
Note: Excessive tightness on the drive belt may cause
increased noise and overload the motor. Excessive
looseness on the drive belt may cause the drive belt to
fail prematurely and make a severe chattering noise.
  Using a phillips head screwdriver, reinstall the pulley cover
and the two phillips head screws. Tighten securely.


Good Luck!  Middles

Jan 08, 2009 | Sanders & Sanding Blocks

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