How to Change the Belt on a Belt sander?

How to Change the Belt on a Belt sander

Changing the belt sander is always a big deal for people who just started using a belt sander, but here you will easily learn how you can change the belt of your belt sander quickly without any damage. The belt sanders are used for different purposes and their over-use may affect the belt of it. The daily use of a belt-sander can damage the belt of it, we all know that a sharp belt can make your work more beautiful and fast.

Change the Belt on a Belt sander

But damaged or used belts are always obstacles in the journey of completing the project or your housework. After some weeks or a month, your work is affected by the disrupted belt. So for the sake of beauty and time, you need a new belt, most new users of belt-sanders feel difficulty changing the belt.

Changing the belt does not require specific skills; you just need a particular procedure for it. There are simple six steps to follow; if you follow all instructions properly you can quickly get rid of the task. Also, these steps are easiest for your continence and also time-saving.

How to Change the Belt on a Belt sander

Precautionary Measures to Take

The process of changing the belt of the belt-sander is very simple and quick. But there are some precautions you have to follow first. The precautions are for your safety because your safety matters more than anything.

Precautionary Measures to Take
  1. Don’t touch the belt when the machine is on.
  2. Don’t try to change the belt when the machine is on.
  3. Don’t try to tear the previous belt with any tool.
  4. Don’t try to open the sander with any tool for changing the belt.
  5. Wear an eye protector while changing the belt.
  6. Use gloves for grabbing the belt-sander.
  7. Check the sparked plug or any shorts before you change the belt.
  8. Wear a dust respirator to breathe clean if there is dust from an old belt.
  9. Check the size of the belt before you are going to replace it, the size is mentioned on the back of the belt.
  10. Do not touch or scratch any cord when you are opening the belt sander.
  11. After replacing the belt, do not touch the skin of the belt while it is on to check whether the belt is working or not.
  12. Do not apply excessive pressure on the sander when you have changed the belt or before the change.
  13. Do not try to destroy the already installed belt with fire.

Step-by-Step Guide

Step 1: Unplug the Belt Sander

The first step you have to take is very easy, you just need to unplug the belt sander. And also make sure there is no power source for the belt-sander because sometimes some belt-sander supports the battery.

Unplug the Belt Sander

Unplugging the sander helps you avoid many severe injuries that you can get if you do not unplug it.

Step 2: Releasing the Tension Lever

The belt-sander has tension livers to keep the belt in place and stick. The tension lever is mostly on the upper side of the belt. This liver is hard to move so you need a tool to pull it back. When you pull the lever with the tool, the belt will loosen.

Releasing the Tension Lever

Step 3: Pulling the Previous Belt Out

Now successfully you have cleared the two basic steps from turning off the machine to pulling the liver. The third step is the easiest, now you need to pull the belt slowly and smoothly, and make sure that you do not tear the belt apart.

Pulling the Previous Belt Out

If you find the belt has stuck inside the tension liver, then close the liver and again pull it back because sometimes the liver does not open the path.

Step 4: Replacing the New Belt

Before you replace the old belt with the new belt, you need to check the size of the belt used in the belt-sander. The size may vary according to the belt sander, so make sure that your belt is exactly as large as the previous belt was. The size could be visible on the back side of the belt.

Replacing the New Belt

You need to make sure that before you install the belt recognize the direction the belt moves in. Some belts work in both directions forward and backward but there are few which work on the single side. The direction is recognized with the help of arrows on the belt.

Step 5: Skid the New Belt

Now you have checked both important elements size of the belt and the direction of the belt, you need to install it. Now put the belt inside gradually and do not tear the belt apart. The same size belts are easy to fit but larger belts are extra loose and smaller belts are too tight to install.

Skid the New Belt

So you need to apply very little force. You need to slide the belt slowly otherwise the belt may stick or may tear.

Step 6: Re-tension the Tension Lever

Successfully you have installed the belt. Now you need to re-tension the tension lever. Here is another precaution which is not to turn on the machine while the tension lever is not in place. If you do, you may face some undesired consequences, you may damage yourself or the machine in this way.

Re-tension the Tension Lever

As you were required to use a tool when you were releasing the tension lever, here again, you are required a tool. Now push the tension liver and your machine will be ready to use again. When you re-tension the liver make sure that the belt is properly in its place. If you find something wrong like the belt is not in the exact place or the tension lever is not in the exact place where it was before then do not on the machine first fix it.

You can fix the belt by again pulling and pushing the tension liver as you did before. Once the belt is properly arranged you can turn it on and use it. When you turn the power on, you should nub one way or another to move the belt, this is because it will help for the best alignment of the belt with the back wheels and front.


Sometimes people complain that they do not find the tension lever. If you have the same problem then you should also follow the instructions to find the way out of your problem. Well, you tried and you are unable to find the tension lever so you need to push the front wheel against the edge of the wall. You need to apply force until the wheel opens in non-tension mode.


After this procedure, you need to take the previous sandpaper out. After sliding the new belt you have to pull back the front wheel for it to lock itself again. Another problem is some belt sanders do not support non-tension triggers and visible tension livers.

These types of belt-sander have tension liver between the sandpaper and the upper layer. When you find it, pull it and your belt-sander will be ready to change the belt. For changing the belt follow all steps we have discussed.


When to know that I should change the belt?

Most people consider when the belt seems disrupted we should change it. The answer is definitely not this; the belt may work for days or weeks. First, it depends on the use of the belt-sander, some people use a belt-sander for professional reasons and some use it for just housework.

The people who use it for professional reasons should know that the belt does not wear out quickly. Secondly, the quality of the belt matters a lot, if you brought a local belt you may feel trouble while working. Now, you should test your belt before changing it. The process to test is to turn off the machine and rub your palm on the skin of sandpaper. If you feel resistance then you should change the belt otherwise your belt is able to be used.

How long does a belt sander belt last?

The quality of the belt defines its age. Usually, a belt lasts for 8 to 12 months.

Why do my belt sander belts keep breaking?

Extreme pressure on the belt while using it is the reason for breaking the belt. People who are worried about broken belts should use the belt sander slowly and should not use it on the extremely hard stuff.

How tight should a sanding belt be?

Most of the belts are made for nearly 40 psi, now the size may vary according to the belt sander. 40 psi keeps the belt in place and your belt does not slip.


All the above information is required for your safety and your machine’s long life. If you are new to using these tools you should also know the basics of these tools and machines. A well-working belt sander may help you to be efficient in work. Most of the time machines are slow because we are not changing the most used part of it.

The belt is actually the most usable part of a belt sander so for the sake of efficiency, proficiency, and speed you should change the belt with the passage of time. This guide will help you to change the belt at home, otherwise, you may feel difficult or could hurt yourself while changing or repairing it.

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