Practice Guide
Mirka DEOS II 353 – Precision, Ergonomics and Smart Control for Every Sanding Task
The Mirka DEOS II 353 is a powerful, compact orbital sander featuring state-of-the-art electronics – ideal for precise, dust-free sanding in workshops and industrial settings. With its 3 mm orbit, 300 W motor and optional Bluetooth connectivity, it sets new standards for efficiency and operator comfort.
Product Overview & Technical Data
| Parameter | DEOS II 353 |
|---|---|
| Power input | 300 W |
| Voltage range | 220–240 V AC |
| Speed range | 5 000 – 10 000 rpm |
| Orbit | 3 mm |
| Pad size | 81 × 133 mm |
| Weight | 0.97 kg |
| Sound pressure level | 69 dB(A) |
| Vibration (ah) | 2.6 m/s² ± 1.5 m/s² |
Power
300 W motor with constant torque control
Low Vibration
Only 2.6 m/s² for fatigue-free work
Smart Control
Digital speed control + Bluetooth compatibility
Pro tip: Combine Mirka Net abrasives with a Mirka industrial vacuum to achieve virtually dust-free sanding and extend your pad’s lifetime significantly.
Recommended Base Settings (Guideline Values)
- Speed between 7 000–9 000 rpm for wood surfaces
- 5 000 rpm for sensitive paint or plastic parts
- 10 000 rpm for intermediate sanding on hard materials
- Always use Mirka original pads to minimize vibration
- Ensure abrasive is centered and flat on the pad
Professional Workflow: Sanding Step by Step
- Inspect machine and power cord for damage.
- Attach the proper abrasive (e.g. Abranet P120–P400).
- Connect to industrial vacuum and activate auto-start.
- Adjust speed with the plus/minus buttons to match material.
- Guide smoothly with even pressure – avoid tilting.
- Wipe surfaces between passes with a microfiber cloth.
- After sanding, turn off and allow to cool down.
Troubleshooting
| Symptom | Possible Cause | Solution |
|---|---|---|
| LED blinks red/green | Incorrect voltage supply | Connect to correct power outlet |
| LED lights red | Overload or too much pressure | Reduce pressure and let cool down |
| Speed fluctuates | High temperature or worn brake | Cool tool down, check brake |
| Machine won’t start | Cable or connection fault | Inspect cable / contact Mirka service |
Maintenance & Care
- Always disconnect the tool before maintenance.
- Use only Mirka original spare parts and pads.
- Replace the pad protector regularly.
- Clean dust extraction daily – prevents fire hazards.
- Maintenance should be performed by authorized Mirka service partners only.
FAQ – Common Questions
- Can I connect the DEOS II via Bluetooth?
Yes – with the myMirka App (if available in your region). Activate Bluetooth by holding the “+” button during power-on. - What’s the best speed for wood?
Between 7 000 – 9 000 rpm for clean cut without swirl marks. - How do I detect overheating?
The multi-function LED lights red and the tool automatically reduces speed. - When to replace the pad protector?
Once visible wear appears or performance drops – around every 20 operating hours. - How to dispose of old tools?
Remove the power cord and follow EU electronic waste disposal guidelines.
Conclusion
The Mirka DEOS II 353 represents precision sanding, ergonomic control and smart connectivity. Its lightweight design, strong performance and excellent dust extraction make it the perfect tool for professionals who value quality and efficiency in their daily workflow.
