Practical Guide
Mirka DEOS II Delta 663: Precision Sanding with Maximum Control
The Mirka DEOS II Delta 663 represents state-of-the-art sanding technology: compact, low-vibration, and digitally connected. In this practical guide, you’ll learn how to use the tool to achieve flawless surfaces with minimal effort — including recommended speed settings, troubleshooting, and maintenance tips.
Product Overview: Technical Highlights
| Parameter | Value (approx.) |
|---|---|
| Power | 300 W |
| Voltage | 220–240 V AC |
| Speed Range | 5,000–10,000 rpm |
| Orbit | 3.0 mm |
| Pad Size | 100×152×152 mm (Delta shape) |
| Weight | approx. 0.97 kg |
| Bluetooth | Integrated (myMirka compatible) |
300 W
Power Output
Power Output
3.0 mm
Orbit for Fine Sanding
Orbit for Fine Sanding
≤ 68 dB(A)
Ultra-Quiet Operation
Ultra-Quiet Operation
Tip: Use Mirka net abrasives and connect the DEOS II directly to an industrial vacuum with auto-start. You’ll achieve virtually dust-free results and top sanding performance.
Recommended Base Settings (Approximate)
- Fine sanding: 5,000–7,000 rpm
- Intermediate sanding (filler / paint): 7,500–9,000 rpm
- Final finish / primer: up to 10,000 rpm
- Apply light pressure — the tool’s own weight is usually enough
Pro Workflow: 6 Steps to a Perfect Finish
- Secure the workpiece and visually inspect the machine.
- Center and attach the appropriate abrasive pad.
- Adjust speed using speed + / speed – buttons.
- Place tool on surface before starting — note torque at startup.
- Sand with steady pressure and activate dust extraction.
- After sanding, switch off the tool and empty the dust bag.
Troubleshooting (Quick Reference)
| Symptom | Possible Cause | Solution |
|---|---|---|
| LED blinks red/green | Incorrect voltage | Check power connection |
| Machine stops due to heat | Overload | Reduce pressure, let cool down |
| Pad brake not working | Worn brake or bearing | Inspect and replace if needed |
| No LED activity | Loose or faulty cable | Check connections |
Maintenance Tips
- Clean dust bag or vacuum daily.
- Check sanding pad regularly and replace when worn.
- Use only genuine Mirka replacement parts.
- Always disconnect before maintenance.
- Service must be performed by authorized Mirka centers only.
FAQ
- Can I use the DEOS II without dust extraction? – Possible, but not recommended; extraction improves surface quality and health safety.
- How do I activate Bluetooth? – Hold speed+ while powering on; LED blinks blue.
- Which abrasives are best? – Mirka net abrasives for all materials.
- How can I reduce vibration? – Use only original sanding pads and avoid overloading.
- How loud is the tool? – Around 68 dB(A), one of the quietest in its class.
*All values from official Mirka data (as of 11/2023). Subject to change.
