Model #137215150 CRAFTSMAN Sander

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Belt replacement on mdel 137.215150 belt/disc sander


Thank you for your question.


I will be happy to assist you with the sander. I looked up the model number you submitted. To replace the belt on this model you need to first unplug the sander from the wall. Then remove the side cover by removing the knob screw. Once it is removed, the cover will come off. Next, pull the tension knob forward to loosen the belt. While holding the tension knob, slip the belt off the rollers. Then release the tension knob. To install the new belt look on the inside of the belt for a directional arrow. If there is an arrow be sure the arrow is pointed down when it is on the front of the sander. If the belt does not have an arrow, it does not matter which direction you install it.  Then pull the tension knob forward and position the belt on the rollers. Then release the knob to tension the belt. The unit has a spring in the tensioner that correctly tensions the belt. Once you have the belt on, go ahead and turn the belt by hand. This make sure the belt is tracking properly. If the belt seems to be moving to one side or the other, you will need to adjust the tracking. The image below shows how to adjust the tracking. Once you have the belt tracking better, you can install the cover and check the operation.


I hope this is helpful. Please let me know if you need further assistance.


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Mark T -
Sears Technician
September 12, 2013

Can I receive a manual for my Craftsman belt/disc sander model No. 137.215150 by e-mail or by a printout through my computer?


Thank you for choosing I understand how important it is to have a manual for your sander for optimum use. We no longer have the free downloadable version of the manual. I apologize for this inconvenience. However, I have included a link to our PartsDirect page where you can purchase the manual you need. Just click the blue link below to be taken to the page.
Owners Manual for Craftsman Sander Model # 137215150
If you have further questions please let me know. Thanks for using

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Lokelani -
Sears Technician
September 05, 2013

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