Question about Tools & Hardware - Others
Model 31-352 1" belt sander
Posted by Anonymous on
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Posted on Jan 02, 2017
I have just purchased a Makita 9401 belt sander however, have no manual and it is unclear how to change the belt. Any help would be appreciated.
Posted on Mar 15, 2009
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
I'm not sure if this is the correct way to post a response, but I have a manual for Delta 31-460 sander. Let me know if you still need one.
Posted on Oct 22, 2009
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
On my model 315.11720 3"x21" Craftsman belt sander to change out sanding belts you push the front roller in until it clicks to lock in its retracted position (a pry bar may help here), switch out sanding belts then unscrew the tracking tensioner a bit on the opposite side with a allen wrench until the roller snaps back in place. I never remember anything about using a screw driver to force it back forward position again. Then readjust the tracking if necessary with a few short sanding load tests and you're good to go. Oil is dropped in the front roller center by removing the flat head screw - it should say "Oil Here" around the screw.
Posted on Aug 19, 2010
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