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Ryobi Belt sander drive/alignment problem

Ryobi belt sander model BE321: could not get belt to track. it ran about 3/4" our from housing and stayed there. at about the same time the sander started jumping as if the timing/drive belt were skipping cogs on the drive pulley. Replace the belt. Sander ran less than 5 minutes and belt quit moving even though motor was running. Removed drive pulley. It was wallered out so that drive shaft was spinning inside of it. Replaced pulley with new one. Very soon the sanding belt started running off again and sander started jumping as if timing/drive belt was skipping. Sander was very hot on bottom - housing, rollers, sanding belt, etc. Suspect something wrong in sanding belt alignment mechanism, causing strain on rollers, pulleys, etc. If so what's the fix? Or any other ideas?

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  • Bill Wallace
    Bill Wallace Mar 25, 2014

    It's obvious that none of the responders are familiar with the Ryobi BE321

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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cloe2594
  • 29 Answers

SOURCE: Dremel belt/disc sander

see the manual

Posted on Nov 06, 2008

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mikeymiddles
  • 58 Answers

SOURCE: Loose sanding belt

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
pulley releases the belt tension.
  Remove the old drive belt.
  Fit the new drive belt on the drive pulley first and then on
the motor pulley.
  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

Posted on Jan 08, 2009

comax
  • 154 Answers

SOURCE: Sanding Belt Slips Badly

Check and see if the pulleys on the sander are not glazed this somtimes will cause the belt to slip. Give them a good cleaning. If this does not help there is a good chance the spring on the belt tensioner is weak and need changed.

Hop this helps

Posted on Apr 14, 2009

  • 384 Answers

SOURCE: Tool Shop Belt sander - can't align belt tracks to thee inside

The problem is that you have not set the adjustment properly. Back off the adjustment screws,slide on the belt and center it over both rollers, addust a little at a time both screws, after belt begins to tighten up stop adjusting. Turn the power switch on for about 1 second. Is the belt tracking? Adjust as necessary. Try the power again for longer and longer periods untill belt tracks in the center of the rollers. Tighten nuts to keep adjustment screws from backing out.

Posted on Jun 12, 2009

  • 1 Answer

SOURCE: Belt slipping

I have a Ryobi sander with a belt slipping issue as well. The problem seems to be in the design, not on the user end. The drive barrel is made of a semi-hard, non-gripping material. Wood dust becomes a final release agent that breaks any grip that the barrel may have had.
To compound the problem, the more the belt slips the smother the underside becomes allowing for greater slippage.
I now know why this model was the least expensive unit. >.<

Posted on Jul 11, 2009

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