Question about Rockwell Shop Series Rockwell RC4355K 3X21 Belt Sander 6 Amp

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The sandpaper belt does not stay even, keeps moving to the side and then begins to fray

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Do my 2007 for Explorer Limited has a timing belt or chain. If so when do it need to be changed.

It only need to be replaced on a belt drive when the edges are frayed or the belt is cracking. A chain drive will need replacing when it begins to stretch, has to much play by moving side to side. If you live in a state that requires a yearly inspection they would normally notify you if it needs replacing. You can Google the year make an model for vehicle specs as to which drive you have. Hope this helps you.

Nov 06, 2016 | Cars & Trucks

1 Answer

Treadmill belt gets slip and slows down while running on it and after some time it gets stopped and give error 1

A belt is known to stretch and begin to slip after a certain amount of time/Also depending on use.

Try adjusting your treadmill belt, there should be two bolts on the right and left rear side of your machine.

Make sure to keep track of how many turns you give to each side, since you are tightening your belt you will be turning the bolts clockwise. Making equal turns on both sides.

After each adjustment, check the belt by pulling up on the belt from the center, you should not have too much space between the deck and the under side of the belt.

Once you feel the belt is tight enough, run the machine at a low speed.
Check to see that the belt is not veering off too much to one side, if it is moving over too much to one side this can cause fraying and damage to the belt.

Certain treadmill models have a safety feature that stop the machine when they know something is wrong, it could be that there is a problem with your main control board (Circuit Board).

You can remove the main shroud, and verify that the circuit boards LED's are on and that there are not any visually burnt or damaged components. If there are any, that could be a good indication of something being wrong with the board.

If you find yourself needing any further assistance beyond that point we would be happy to help you out! Our Technical Support Team is available through chat at or by phone 888-713-2880 we hope this helps and we look forward to hearing from you!

Aug 12, 2015 | Exercise & Fitness

1 Answer

Belt fraying

the idler pulley is more than likely broken and is what caused the original belt to break to begin with, take the machine back apart and check the pulley for chips and sharp or rough areas

May 29, 2012 | Dryers

1 Answer

My deck mower(craftsman 917.271530)keeps shredding deck belts

You either have a bad bearing on one of the pulleys or one is loose and moving up and down drawing the belt when it is engaged. I would pull the mower deck off and go through it .

Apr 17, 2012 | Sears Garden

1 Answer

The sandpaper keeps sliding off the sander everytime I turn it on. Even when I turn the dial it to tighten it or move it over it keeps on sliding off.

You need to turn the dial slowly. If the belt starts to come off turn the knob in the other direction,slowly until the belt is centered. Doing it slow is the trick.

Jun 04, 2011 | Black & Decker 3 x 21 In. Dragster Belt...

1 Answer

Sandpaper does not stay in place

re align the end rollers as one of them will be out

Mar 22, 2010 | Black & Decker 3 x 21 In. Dragster Belt...

1 Answer

Sandpaper sliding off

there isnt enough tension on the belt, hence the side to side movement. keep tightening the spring until it stops

Jul 22, 2009 | Tools & Hardware - Others

3 Answers

Serpentine belt slips off

Please tighten the grip for the belt to enable tighter stay in-line.


May 23, 2009 | 1999 Dodge Ram

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