Introducció
Thank you for choosing the Stayer RO 5 BRUSHLESS Professional Random Orbital Sander. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new tool. Please read it thoroughly before first use and keep it for future reference.

Figura 1: Mésview of the Stayer RO 5 BRUSHLESS Random Orbital Sander.
Característiques principals:
- Digital 7-Speed Regulator: Adjust speeds from 4000 to 10,000 RPM to match various applications.
- Constant Speed Tachometer: Maintains consistent speed under load for uninterrupted work.
- 5 mm Orbit: Ensures a perfect and smooth sanding finish.
- Powerful 400 W Brushless Motor: Extends tool life, provides more power, and reduces weight for intensive sanding on wood, metal, and stone.
- Aplicacions versàtils: Ideal for carpentry, automotive work, and Corian countertop preparation.
- 150 mm Pad with 15 Holes: Designed for optimal dust extraction, promoting a cleaner and safer working environment.
- Paddle Switch with Non-Slip Handle: Enhances comfort and safety; the machine stops immediately when the switch is released.
- Disseny lleuger: Weighs approximately 1 kg, making it easy to handle and maneuver.
- Symmetrical Structure: Allows comfortable two-handed operation, reducing user fatigue.
Configuració
1. Attaching the Sanding Disc
Ensure the sander is unplugged before attaching or removing sanding discs. The Stayer RO 5 BRUSHLESS uses 150mm sanding discs with a hook-and-loop fastening system.
- Align the holes on the sanding disc with the holes on the sander's backing pad.
- Press the sanding disc firmly onto the backing pad to ensure a secure attachment.

Figure 2: The 150mm sanding pad with 15 holes for dust extraction.
2. Connexió de l'extracció de pols
For optimal dust collection and a cleaner workspace, connect the sander to a suitable dust extraction system or vacuum cleaner.
- Localitzeu el port d'extracció de pols a la polidora.
- Attach the vacuum cleaner hose or dust bag securely to the port.
Video 1: This video highlights the efficiency and ease of use of the Stayer RO 5 BRUSHLESS Random Orbital Sander for various sanding tasks, including dust extraction setup.
Instruccions de funcionament
1. Encès / apagat
The sander is equipped with a paddle switch for easy and safe operation.
- To turn on: Press and hold the paddle switch.
- To turn off: Release the paddle switch. The machine will stop automatically.
2. Ajust de velocitat
Use the digital 7-speed regulator to select the appropriate RPM for your material and desired finish.
- The speed can be adjusted between 4000 and 10,000 RPM.
- Higher speeds are suitable for aggressive material removal, while lower speeds are ideal for fine finishing.

Figure 3: Close-up of the digital speed control panel.
3. Tècniques de poliment
For best results, hold the sander firmly with both hands due to its symmetrical design. Apply even, moderate pressure and move the sander in overlapping passes.
- Always start sanding with the tool already running and lift it from the workpiece before turning it off.
- Avoid excessive pressure, as this can reduce sanding efficiency and damage the workpiece or sander.
- Move the sander smoothly across the surface to ensure an even finish.

Figure 4: The sander in use on a wooden surface.

Figure 5: Demonstrating the ergonomic handling of the sander.
Vídeo 2: Aquest vídeo ofereix una visió detalladaview of the Stayer RO 5 BRUSHLESS Random Orbital Sander, demonstrating its features and operation.
Manteniment
Regular maintenance ensures the longevity and optimal performance of your Stayer RO 5 BRUSHLESS sander.
1. Neteja
- Desconnecteu sempre l'eina abans de netejar-la.
- Regularly empty the dust bag or clean the dust extraction system to maintain efficiency.
- Wipe down the exterior of the sander with a soft, damp tela. No utilitzeu productes químics aggressivs ni netejadors abrasius.
- Assegureu-vos que les obertures de ventilació estiguin netes de pols i deixalles per evitar el sobreescalfament.
2. Sanding Pad Inspection
- Periodically inspect the hook-and-loop fastening system on the backing pad for wear. A worn pad may not hold sanding discs securely.
- Replace the backing pad if it shows signs of significant wear or damage.
Resolució de problemes
Si teniu problemes amb la polidora, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| La polidora no s'encén | No power supply; Paddle switch not fully engaged | Check power connection; Ensure paddle switch is fully pressed |
| Mal rendiment de poliment | Worn sanding disc; Incorrect grit size; Excessive pressure | Replace sanding disc; Use appropriate grit for the task; Apply moderate, even pressure |
| Vibració excessiva | Damaged or improperly attached sanding disc/pad; Internal issue | Check and re-attach/replace disc/pad; Contact customer support if problem persists |
| Recollida de pols ineficaç | Dust bag full or improperly attached; Clogged extraction hose/ports | Empty/re-attach dust bag; Clear any blockages in the hose or ports |
Especificacions

Figure 6: Technical data sheet for the Stayer RO 5 BRUSHLESS sander.
| Característica | Valor |
|---|---|
| Marca | Stayer |
| Número de model | 12194 |
| Font d'alimentació | Elèctric amb cable |
| Potència del motor | 400 W |
| Velocitat màxima de rotació | 10000 RPM |
| Configuració de velocitat | 7 (4000/5000/6000/7000/8000/9000/10000 RPM) |
| Diàmetre del disc | 150 mm |
| Diàmetre de l'òrbita | 5 mm |
| Pes del producte | 1.28 quilos |
| Tipus de gra | Bé |
| Grain Number | 120 |
| Elements inclosos | Lijadora rotorbital BRUSHLESS PROFESIONAL RO 5 BRUSHLESS |
Garantia i Suport
Stayer products are manufactured to high-quality standards and are guaranteed against manufacturing defects. Please refer to the warranty card included with your product for specific terms and conditions.
For technical assistance, spare parts, or warranty claims, please contact your local Stayer dealer or authorized service center. Keep your purchase receipt as proof of purchase.