1. Introdución
The PROXXON Cordless Long Neck Angle Grinder LHW/A (Model 39815) is a versatile and powerful tool designed for a wide range of applications, including grinding, cutting, roughing out, fine grinding, and shaping various materials. Its cordless design offers exceptional mobility, making it suitable for both indoor and outdoor projects. This manual provides essential information for the safe and effective use, maintenance, and troubleshooting of your LHW/A angle grinder.

Image: The PROXXON Cordless Long Neck Angle Grinder LHW/A, showcasing its ergonomic design and angled head.
2. Instrucións xerais de seguridade
Lea e comprenda sempre todos os avisos de seguridade, instrucións, ilustracións e especificacións que se inclúen con esta ferramenta eléctrica. O incumprimento de todas as instrucións que se indican a continuación pode provocar descargas eléctricas, incendios ou lesións graves.
- Seguridade na zona de traballo: Manteña a súa área de traballo limpa e ben iluminada. As zonas desordenadas ou escuras invitan aos accidentes. Non manexe ferramentas eléctricas en atmosferas explosivas, como en presenza de líquidos, gases ou po inflamables.
- Seguridade eléctrica: Evite o contacto corporal con superficies conectadas á terra ou con toma de terra. Non expoña as ferramentas eléctricas á choiva nin a condicións húmidas. A entrada de auga nunha ferramenta eléctrica aumentará o risco de descarga eléctrica.
- Seguridade persoal: Always wear eye protection, hearing protection, and a dust mask when operating the tool. Dress properly; avoid loose clothing or jewelry. Keep hair, clothing, and gloves away from moving parts.
- Uso e coidado da ferramenta eléctrica: Non force a ferramenta eléctrica. Empregue a ferramenta eléctrica axeitada para a súa aplicación. Non empregue a ferramenta eléctrica se o interruptor non a acende nin a apaga. Desconecte a batería da ferramenta eléctrica antes de facer axustes, cambiar accesorios ou gardar ferramentas eléctricas.
- Uso e coidado da ferramenta da batería: Recargue só co cargador especificado polo fabricante. Use ferramentas eléctricas só con baterías designadas especificamente.
3. Produto rematadoview
The PROXXON LHW/A is a high-quality cordless angle grinder designed for precision and versatility. Its robust construction and ergonomic features ensure comfortable and efficient operation.
Características principais:
- Versatile Grinding and Cutting: Handles steel, non-ferrous metal, glass, ceramics, wood, and plastic.
- Liberdade sen fíos: Operates on a lithium-ion battery for mobility.
- Comparable Performance: Delivers performance comparable to mains-powered tools.
- Deseño ergonómico: Ensures comfortable and precise handling, reducing operator fatigue.
Compoñentes:
- Long Neck Angle Grinder Body
- Angled Gear Head (Die-cast aluminum)
- Dial de control de velocidade
- Interruptor On/Off
- Compartimento de batería
- Spindle Lock Button (for accessory changes)
- Garda protectora
4. Configuración
4.1 Instalación e carga da batería
The LHW/A is powered by a 10.8V, 2.6 Ah Lithium-Ion battery. Ensure the battery is fully charged before first use.
- Para instalar a batería: Align the battery pack with the battery compartment at the base of the tool and slide it in until it clicks securely into place.
- Para retirar a batería: Prema o botón de liberación da batería (se a hai) e deslice a batería cara a fóra.
- Cargando: Place the battery into the designated PROXXON charger. A full charge typically takes approximately one hour. The charger will indicate when charging is complete.
4.2 Instalación de accesorios
The LHW/A supports various accessories for different tasks. Always ensure the tool is switched off and the battery is removed before changing accessories.
- Prema e manteña premido o botón de bloqueo do eixo para evitar que este xire.
- Use the appropriate wrench (usually an Allen key) to loosen the retaining screw or nut on the accessory mount.
- Remove the current accessory.
- Place the desired accessory (e.g., sanding disc, cutting disc, rasp plate) onto the mount, ensuring it is centered and flush.
- Securely tighten the retaining screw or nut. Do not overtighten.
- Solte o botón de bloqueo do eixe.
The hook-and-loop backing on the rubber backing disc allows for quick and easy changing of sanding sheets and fleeces.
Video: Official PROXXON demonstration of the LHW/A Cordless Long Neck Angle Grinder in various applications, highlighting its features and accessory changes.
5. Instrucións de funcionamento
The PROXXON LHW/A is designed for precision work in various materials. Always ensure proper safety gear is worn before operation.
5.1 Acendido/apagado e control de velocidade
- Para activar: Prema o interruptor On/Off.
- Para desactivar: Solte o interruptor On/Off.
- Axuste de velocidade: The operating speed can be precisely regulated between 5,000 and 16,000 revolutions per minute (RPM) using the speed control dial. Adjust the speed according to the material and the accessory being used.
5.2 Aplicacións
The LHW/A is suitable for:
- Grinding and Cutting: Steel, non-ferrous metals, glass, ceramics, wood, and plastic.
- Roughing Out: Removing significant material from surfaces.
- Moenda fina: Achieving smooth finishes.
- Formación: Detailed work on wood and other soft materials using specialized accessories like the rasp plate.
The slim gear head allows access to difficult-to-reach spaces, making it ideal for automotive work, tool and mold making, and various hobby applications.

Image: A user operating the PROXXON LHW/A to grind a metal workpiece, demonstrating its precision and control.
6. Mantemento
Regular maintenance ensures the longevity and optimal performance of your PROXXON LHW/A.
- Limpeza: After each use, clean the tool with a soft, dry cloth. Remove any dust or debris from the ventilation slots to prevent overheating. Do not use solvents or abrasive cleaners.
- Inspección de accesorios: Regularly inspect accessories for wear or damage. Replace worn or damaged discs and plates immediately to ensure safe and effective operation.
- Coidado da batería: Garda as baterías nun lugar fresco e seco, lonxe da luz solar directa. Non gardes as baterías completamente descargadas durante períodos prolongados.
- Almacenamento: Store the tool and its accessories in the provided polypropylene case to protect them from dust and damage.
7 Solución de problemas
If you encounter issues with your PROXXON LHW/A, refer to the following common troubleshooting steps:
| Problema | Causa posible | Solución |
|---|---|---|
| A ferramenta non comeza | Batería non cargada ou instalada incorrectamente. | Asegúrate de que a batería estea completamente cargada e inserida correctamente. |
| Potencia reducida ou funcionamento intermitente | Low battery charge; worn carbon brushes (if applicable); motor overload. | Recharge battery. Avoid excessive pressure during operation. If problem persists, contact service. |
| Vibracións ou ruídos excesivos | Damaged or improperly installed accessory; internal component issue. | Check accessory for damage and proper installation. If issue continues, discontinue use and seek professional service. |
| A ferramenta sobrequenta | Ranuras de ventilación bloqueadas; carga pesada continua. | Limpar as ranuras de ventilación. Deixar que a ferramenta arrefríe durante un uso prolongado. |
For issues not covered here, please contact PROXXON customer support.
8. Especificacións
| Característica | Especificación |
|---|---|
| Marca | PROXXON |
| Número de modelo | 39815 |
| Fonte de enerxía | Alimentado por batería (ión de litio) |
| Voltage | 10.8 voltios |
| Wattage | 150 vatios |
| Velocidade de rotación máxima | 16000 RPM |
| Tipo de pila de batería | Ion de litio |
| Capacidade da batería | 2.6 Ah (Amphoras antes) |
| Material | Plastic (housing), Die-cast Aluminum (gear head) |
| Peso do elemento | 4.73 libras |
| Dimensións do produto | 13.19 x 7.68 x 4.5 polgadas |
| Características especiais | Lightweight, Quiet Operation |
9. Accesorios
The PROXXON LHW/A is compatible with a wide range of accessories to expand its functionality:
- Sanding Discs: Available in various grits and materials (e.g., corundum, silicon carbide) for different surface finishes.
- Sanding Fleeces: For polishing and fine finishing tasks.
- Cutting Discs: Fabric-reinforced for efficient cutting of various materials.
- Rasp Plate: Tungsten carbide needles for aggressive material removal, especially on wood and plastic.
These accessories are designed for quick and easy changes thanks to the hook-and-loop backing system.

Image: The PROXXON LHW/A displayed alongside a selection of sanding discs and other accessories, illustrating the tool's versatility.
10. Información da garantía
PROXXON Inc. warrants to the original purchaser only, that all PROXXON consumer power tools will be free from defects in material or workmanship for a period of two years from the date of purchase. The seller's sole obligation and your exclusive remedy under this limited warranty, and to the extent permitted by law, any warranty or condition implied by law, shall be the repair or replacement of parts, without charge, which are defective in material or workmanship and which have not been misused, carelessly handled, or misrepaired by persons other than the Seller or Authorized Service Station. This warranty does not apply to accessory items such as circular saw blades, drill bits, router bits, jigsaw blades, sanding belts, and other related items. Damage to the product resulting from tampering, accident, abuse, negligence, unauthorized repairs or alterations, unapproved attachments, or other causes unrelated to problems with material or workmanship are not covered by this warranty.
11. Soporte e contacto
For further assistance, technical support, or to inquire about service and replacement parts, please contact PROXXON Inc. directly. Refer to the contact information provided with your product packaging or visit the official PROXXON websitio para obter os detalles de soporte máis actualizados.
Recursos en liña: For additional product information, tutorials, and a full range of accessories, please visit the PROXXON Store on Amazon.






