How to attach sanding disc to angle grinder

Whether you are grinding metal or cutting ceramic tiles, angle grinders come in handy and easy to use. Sometimes you need to replace the angle grinder sanding disc. Although the replacement of an angle grinder or a side grinder requires some expertise, it can be done in just a few minutes.

Depending on the tools available, there are several different ways to replace the angle grinder sanding disc on the side mill. The easiest way is to use the wrench that comes with the factory. However, if you are a buyer of a used angle grinder and the wrench is missing, there are other ways to replace the angle grinder sanding disc without a factory-made wrench.

Step 1 – Disconnect the power

WARNING: Failure to disconnect power can result in injury. Before proceeding to the next step, make sure that the grinder is completely powered off.

To avoid injury from accidental use, it is important to disconnect the power to the angle grinder. For wired angle grinders, be sure to unplug them from the wall outlet.

If you are using a cordless angle grinder, remove the battery from the tool. After replacing the battery, removing the battery also makes the tool lighter and easier to operate.

Step 2 – Remove the angle grinder sanding disc

  • Use a factory wrench to remove the angle grinder sanding disc
    Your new grinder will be equipped with two distinct wrenches that look like straight wrenches. One wrench will look like a normal wrench and the other will look like a fork. Insert the prongs into the two holes that appear in the drive bolt between the angle grinder sanding disc and the angle grinder motor.
  • Use a wrench wrench to secure the bolt to the bottom of the angle grinder sanding disc. Use a wrench to keep the angle grinder sanding disc from rotating and turn the fork wrench in the opposite direction of the arrow in the direction of the bottom angle grinder sanding disc.
  • There may also be a button on the side grinder that holds the angle grinder sanding disc in place. Rotate the nut until the angle grinder sanding disc is released from the tool.
  • Remove the angle grinder sanding disc with the ready-to-use wrench
    Secure the vise tightly to the bolt that secures the angle grinder sanding disc to the drive bolt. Use a vise to prevent the angle grinder sanding disc from rotating, then insert a screwdriver into one of the holes between the angle grinder sanding disc and the angle grinder motor for the wrench pins.
  • Pull the screwdriver in the opposite direction of the arrow on the angle grinder sanding disc. If it does not loosen immediately, use a hammer to force the screwdriver to turn.
  • Remove the angle grinder sanding disc without the wrench
    With your palm, tap the angle grinder sanding disc in the opposite direction of the arrow on the angle grinder sanding disc. This should be enough to loosen the nut and remove it with your fingers.
  • If this does not work, you can use pliers to break the old angle grinder sanding disc to better access the drive bolts and the retaining nut.

Step 3 – Install a new angle grinder sanding disc

Place the new grinding angle grinder sanding disc on the drive bolts, just like the old ones. It is important to use a angle grinder sanding disc for your specific model and model. If you are unsure, bring the old angle grinder sanding disc to the hardware store and ask the staff.

Finally, manually tighten the new angle grinder sanding disc in the opposite direction to the old one.

Your side mill should now work properly. If you need to replace the motor of the grinder after installing a new angle grinder sanding disc, you can now do this easily.

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