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David DudleyAug 15, 2025
How to fix low speed on a MIRKA Sander?
- SSheena GarciaAug 15, 2025
If the Mirka Sander has low power and/or low free speed, try the following: 1. Turn the speed control to the desired speed. 2. Check the air supply. 3. Clean or replace the muffler or the air inlet screen. 4. Check the motor assembly and air inlet O-ring alignment. 5. Install a complete set of new vanes and rotor (Kit F). 6. Replace the worn or broken bearing (Kit A).