1. Introducció
This instruction manual provides essential information for the safe and efficient operation, maintenance, and care of your Bosch GWS 25-180 LVI VULCANO 7-inch Angle Grinder. Please read this manual thoroughly before using the tool and keep it for future reference. Proper use and adherence to safety guidelines will ensure optimal performance and extend the life of your tool.
2. Instruccions generals de seguretat
Always observe the following fundamental safety precautions when operating power tools to reduce the risk of electric shock, fire, and serious injury.
- Seguretat de l'àrea de treball: Mantingueu la zona de treball neta i ben il·luminada. Les zones desordenades o fosques conviden als accidents. No feu servir eines elèctriques en atmosferes explosives, com ara en presència de líquids, gasos o pols inflamables.
- Seguretat elèctrica: Els endolls de les eines elèctriques han de coincidir amb la presa de corrent. No modifiqueu mai l'endoll de cap manera. Eviteu el contacte corporal amb superfícies connectades a terra o amb connexió a terra, com ara canonades, radiadors, fogons i neveres.
- Seguretat personal: Always wear appropriate personal protective equipment (PPE), including safety glasses, hearing protection, dust mask, heavy-duty gloves, and protective clothing. Do not overreach. Keep proper footing and balance at all times.
- Ús i cura de l'eina: No forceu l'eina elèctrica. Feu servir l'eina elèctrica adequada per a la vostra aplicació. Desconnecteu l'endoll de la font d'alimentació abans de fer qualsevol ajust, canviar accessoris o guardar eines elèctriques.
- KickBack Stop: This tool is equipped with a KickBack Stop feature, which automatically shuts down the tool if the disc jams, reducing the risk of sudden kickback.
- Protecció de reinici: The tool will not restart automatically after a power interruption, even if the switch is in the ON position. This prevents unintended startup.
- Inici suau: The Soft Start feature ensures a smooth and controlled startup, reducing initial torque and improving user control.
- Dead Man Switch: The tool features a Dead Man Switch, which requires continuous pressure to operate. Releasing the switch immediately stops the tool, enhancing safety.
3. Producte acabatview
The Bosch GWS 25-180 LVI VULCANO is a powerful 7-inch angle grinder designed for heavy-duty cutting and grinding applications. It features a robust 2500W motor and a turbo cooling system for extended durability.
Components clau
- Mànec principal
- Nansa auxiliar antivibració
- Guàrdia protectora
- Botó de bloqueig de l'eix
- Tri-Control Switch
- Grinding/Cutting Disc (accessory, not included)
Característiques
- 2500 Watts of power and 6,500 RPM for demanding tasks.
- Anti-vibration handle ensures improved ergonomics during use.
- Tri-Control switch prevents unintentional activation of the tool.
- Integrated safety features: KickBack Stop, protective guard, Restart Protection, Soft Start, and Dead Man Switch.
- Turbo cooling system for enhanced motor longevity.

Figura 1: lateral view of the Bosch GWS 25-180 LVI VULCANO Angle Grinder, showing the main body and handle.
4. Configuració
4.1 Desembalatge
Carefully remove the angle grinder and all accessories from the packaging. Inspect the tool for any damage that may have occurred during shipping. Do not operate a damaged tool.
4.2 Fixació de la nansa auxiliar
The anti-vibration auxiliary handle can be screwed into either the left or right side of the gear head, depending on your preference and the application. Ensure it is securely tightened before operation.

Figura 2: superior view of the angle grinder, illustrating the attachment point for the auxiliary handle.
4.3 Muntatge del disc de mòlta/tall
- Assegureu-vos que l'eina estigui desconnectada de la font d'alimentació.
- Manteniu premut el botó de bloqueig de l'eix.
- Col·loqueu la brida de suport al cargol.
- Position the grinding or cutting disc onto the backing flange. Ensure the disc is compatible with the tool's specifications (7-inch diameter).
- Cargol el clampla femella a l'eix i estrenyeu-la fermament amb la clau anglesa proporcionada.
- Allibereu el botó de bloqueig de l'eix.
4.4 Ajust de la protecció
The protective guard must always be used for grinding and cutting operations. Adjust the guard to ensure maximum protection for the operator, directing sparks and debris away from your body. Loosen the clamping screw, rotate the guard to the desired position, and then firmly tighten the screw.
5. Instruccions de funcionament
Before starting, ensure all safety instructions are understood and followed. Always wear appropriate PPE.
5.1 Engegada/apagada
- Encendre: Press and hold the Tri-Control switch. The tool will start with a Soft Start.
- Apagar: Release the Tri-Control switch. The tool will stop immediately due to the Dead Man Switch feature.
5.2 Working with the Angle Grinder
Hold the tool firmly with both hands, one on the main handle and one on the auxiliary handle. Position the disc at a slight angle to the workpiece for grinding, or perpendicular for cutting. Apply moderate pressure; do not force the tool. Allow the tool's speed and power to do the work.

Figure 3: A worker demonstrating proper use of the angle grinder with full personal protective equipment.
5.3 Característiques de seguretat en funcionament
- KickBack Stop: If the disc binds or jams, the KickBack Stop system will detect the sudden rotation change and shut off the motor to prevent dangerous kickback.
- Protecció de reinici: En cas d'una potènciatage, the tool will not restart automatically when power is restored, even if the switch is engaged. You must manually reset the switch to restart the tool.
6. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament segur de la vostra esmoladora angular.
6.1 Neteja
After each use, clean the ventilation slots to prevent dust buildup, which can lead to overheating. Use a soft brush or compressed air. Do not use water or chemical cleaners.
6.2 Inspecció
Periodically inspect the power cord for damage. Check the protective guard and auxiliary handle for secure attachment. Ensure the spindle lock button functions correctly. Replace worn or damaged accessories promptly.
6.3 Emmagatzematge
Store the angle grinder in a dry, secure location out of reach of children. Ensure the tool is unplugged and cooled down before storage.
7. Solució De Problemes
Si teniu problemes amb la vostra esmoladora angular, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| L'eina no s'inicia | No power supply; Tri-Control switch not fully engaged; Restart Protection activated. | Check power connection; Ensure switch is fully pressed; Disconnect and reconnect power, then re-engage switch. |
| L'eina s'atura durant el funcionament | Overload; KickBack Stop activated; Power interruption. | Reduce pressure on workpiece; Check for disc jamming; Check power supply. |
| Vibració excessiva | Worn or unbalanced disc; Loose auxiliary handle. | Replace disc; Tighten auxiliary handle. |
| Sobreescalfament | Blocked ventilation slots; Continuous heavy use. | Clean ventilation slots; Allow tool to cool down. |
For problems not listed or if solutions do not resolve the issue, contact an authorized Bosch service center.
8. Especificacions
| Característica | Especificació |
|---|---|
| Fabricant | BOSCH |
| Model | GWS 25-180 LVI VULCANO |
| Font d'alimentació | Elèctric amb cable |
| Voltage | 220 Volts |
| Wattage | 2500 watts |
| RPM (velocitat sense càrrega) | 6,500 RPM |
| Diàmetre del disc | 7 polzades (180 mm) |
| Material | Metall |
| Color | Blau |
| Dimensions (paquet) | 58.8 x 16.2 x 12 cm |
| Pes (paquet) | 6.14 kg |
| Components inclosos | 1 GWS 25-180 LVI VULCANO Angle Grinder, 1 Anti-vibration handle, 1 Spanner wrench, 1 Backing flange, 1 Clamping nou |
| Piles necessàries | No |
9. Garantia i Suport
This Bosch power tool is manufactured to high-quality standards. For information regarding the product warranty, please refer to the warranty card included with your purchase or visit the official Bosch Professional website for your region. For technical assistance, spare parts, or service, please contact your local authorized Bosch service center. Always use genuine Bosch accessories for optimal performance and safety.
Podeu trobar més informació i suport a Botiga professional Bosch.