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How do I remove the front wheel on a black and decker model 7451 belt sander

Posted by Al Wilkinson on

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Dean

  • 285 Answers

SOURCE: belt won't stay on belt sander

Check first that you have retensioned the belt... i.e. when you removed the other belt, you would have had to pull on a spring-loaded lever to remove the belt tension before you added the new one... make sure the tension lever is flipped back in to ensure the new belt is tensioned...

Next, and the likely problem you are having, is belt tracking... There should be an adjustment knob up near the front of the sander near the front roller, either on top of the front part of the sander, or to the side near the front roller... When you turn this knob, it makes the belt track either left or right over the sander's base. This knob will allow your belt to run square and true and not spin off to one side...You need to adjust the tracking using this knob while the belt sander is running and with the new belt tensioned and in place, so turn the sander upside down, and power it on with one hand, then turn the knob with the other hand whichever way is needed to have the belt track square and in the middle of the rollers. Make small adjustments on the tracking knob to begin with. They can be sensitive at times.

That should stop your belt spinning off to one side.

Posted on Mar 18, 2009

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Anonymous

  • 302 Answers

SOURCE: Black & Decker 3X21

I have one of those and I just smack the front roller ahead with a brass or plastic hammer. I hit the movable bracket that the roller is attached to. It takes a pretty stout whack to do it though. hope this helps you

Posted on Jan 14, 2010

Testimonial: "Thanks for the help, I wasn't sure if there was some magic button I was missing. Tks, jw "

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Anonymous

  • 1 Answer

SOURCE: broken drive belt on belt sander

My answer comes almost a year after the original question, but I'll post it anyway for those who end up here after a search.
Black & Decker no longer supplies drive belts for the BR400 sander, but you can get a replacement elsewhere if you know what to ask for.
The belt is a synchronous, single-sided "XL" series belt, and mine had 120XL031 printed on it. The belt width is 0.31in or 5/16in or 7.9mm. Its pitch (distance from tooth to tooth) is 0.20in or 1/5in or 5mm. Its total height is 0.09in, and tooth height is 0.045in. It has 60 teeth, making the total length 12in.
I found a replacement at sdp-si.com, part number A 6R 3-060031.
Look here for timing belts (inch), then narrow the search for single-sided, .200 (XL) pitch, 60 grooves, 5/16 width.

Posted on Jun 16, 2010

tom walsh

  • 226 Answers

SOURCE: black and decker model 7404 1/3 sheet sander - not orbiting

I read elsewhere of someone using JB Weld to fill in the pentagonal hole in the bottom plate, after coating the armature of the motor with a light coating of oil to keep the JP Weld from sticking. Assemble, and set aside for the JB Weld to set up.
tom

Posted on Jul 13, 2010

Anonymous

  • 2 Answers

SOURCE: how do you change paper

At both ends of the bottom pad, there are metal fittings that have a rectangular hole in the middle of them. Take a regular head screwdriver and put the tip in the hole and carefully but firmly lift up and hold while at the same time pushing the narrow edge of the 1/3 sheet sandpaper up under the metal piece which kind of looks like a C on its edge. Then let down the metal piece with the screwdriver and that edge of the sand paper should be held in place. Do the same thing for the other end of the sandpaper, making sure to pull the sandpaper sheet tight against the rubber pad.

Posted on Dec 04, 2010

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2 Answers

I have a Black & Decker sander, model # 7447 and am having problems changing the sand paper.


The 7447 does not have a release lever. To change the belt, you must release tension of the rollers by pushing the front roller straight back until you hear it click and lock in position to change paper. Remove old paper and replace with new paper. Make sure if new paper has directional arrows to install properly.
Now you must release the front roller to put tension on paper. To do this push the front roller from the side that has the adjustment screw. This will release the front roller and allow it to go back into position. Be careful as it pops back quickly and with some force.
Turn on sander and adjust centering of paper with adjustment screw found near the front and side of sander.

Jun 13, 2011 | Black & Decker Garden

1 Answer

I have a Black and Decker Sander, model # 5.2 A and I cannot find a motor belt for it. The belt that broke has "made in China" stamped on it and the numbers 110XL 031 stamped on it.


You might try Dewalt. I have a Black & Decker weed eater that had a broken belt and I had to order it from Dewalt. I was told that they had some kind of merger. Ordered it and it worked just fine.

Mar 01, 2011 | Black & Decker BR300 3''x18'' Belt Sander

3 Answers

How do you replace he belt on a 7447 Sander


To change belt:
1) Put front roller on floor and push down until roller locks back.
2) Put on new sand paper.
3) Loosen tracking screw until front roller is released.
4) With sander running, use tracking screw to center belt.

Oct 10, 2010 | Black & Decker BR300 3''x18'' Belt Sander

1 Answer

How do I change the sanding belt on my 7447 belt sander


To change the belt, you must release tension of the rollers by pushing the front roller straight back until you hear it click and lock in position to change paper. Remove old paper and replace with new paper. Make sure if new paper has directional arrows to install properly.
Now you must release the front roller to put tension on paper. To do this push the front roller from the side that has the adjustment screw. This will release the front roller and allow it to go back into position. Be careful as it pops back quickly and with some force.
Turn on sander and adjust centering of paper with adjustment screw found near the front and side of sander.

Aug 27, 2010 | Black & Decker 3"x21"HD Vs Belt Sander

1 Answer

Black & Decker 3X21'' belt sander (#7447)- pushed front roller in to put on new belt, can't get it to spring back out. Jim in Flippin


I have one of those and I just smack the front roller ahead with a brass or plastic hammer. I hit the movable bracket that the roller is attached to. It takes a pretty stout whack to do it though. hope this helps you

Jan 14, 2010 | Black & Decker 3 x 21 In. Dragster Belt...

1 Answer

Broken drive belt


Take the broken belt to an industrial supply house or Ball Bearing supply house for a replacement.

Jul 10, 2009 | Black & Decker BR300 3''x18'' Belt Sander

2 Answers

Describe your Black & Decker BR318


This is a good sander but no portable belt sander is really a floor sander.

Jun 13, 2009 | Black & Decker BR318 3" x 18" Belt Sander

2 Answers

Belt won't stay on belt sander


Check first that you have retensioned the belt... i.e. when you removed the other belt, you would have had to pull on a spring-loaded lever to remove the belt tension before you added the new one... make sure the tension lever is flipped back in to ensure the new belt is tensioned...

Next, and the likely problem you are having, is belt tracking... There should be an adjustment knob up near the front of the sander near the front roller, either on top of the front part of the sander, or to the side near the front roller... When you turn this knob, it makes the belt track either left or right over the sander's base. This knob will allow your belt to run square and true and not spin off to one side...You need to adjust the tracking using this knob while the belt sander is running and with the new belt tensioned and in place, so turn the sander upside down, and power it on with one hand, then turn the knob with the other hand whichever way is needed to have the belt track square and in the middle of the rollers. Make small adjustments on the tracking knob to begin with. They can be sensitive at times.

That should stop your belt spinning off to one side.

Mar 18, 2009 | Black & Decker Tools & Hardware - Others

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