1. Introdución
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your ELECTROPRIME 8V LED Digital Display Rechargeable Wireless Grinder Kit. Please read this manual thoroughly before using the product and retain it for future reference.
The ELECTROPRIME wireless grinder is a versatile tool featuring a six-speed transmission, an integrated heat dissipation system, and an automatic lock shaft design for convenient accessory changes. It is powered by an 8V permanent magnet motor and a 1000mAh lithium battery, offering portability and precision for various tasks.
2. Instrucións de seguridade importantes
ADVERTENCIA: Lea todas as advertencias de seguridade, instrucións, ilustracións e especificacións proporcionadas con esta ferramenta eléctrica. O incumprimento de todas as instrucións que se indican a continuación pode producir descargas eléctricas, incendios e/ou lesións graves.
- Always wear appropriate personal protective equipment, including safety glasses, gloves, and a dust mask, when operating the grinder.
- Asegúrese de que a peza de traballo estea firmemente clampantes de comezar calquera operación.
- Manter a zona de traballo limpa e ben iluminada. As zonas desordenadas ou escuras invitan a accidentes.
- Non utilice ferramentas eléctricas en atmosferas explosivas, como en presenza de líquidos, gases ou po inflamables.
- Manteña os nenos e os espectadores afastados mentres manexa unha ferramenta eléctrica. As distraccións poden facer que perdas o control.
- Evite o arranque accidental. Asegúrese de que o interruptor estea na posición de apagado antes de conectar a batería, coller ou transportar a ferramenta.
- Use the correct accessory for the application. Do not force the tool.
- Desconecte a batería da ferramenta antes de facer axustes, cambiar accesorios ou gardar ferramentas eléctricas.
- Guarde as ferramentas eléctricas inactivas fóra do alcance dos nenos e non permita que persoas que non estean familiarizadas coa ferramenta eléctrica ou con estas instrucións a utilicen.
- Manter ferramentas eléctricas e accesorios. Comprobe a falta de aliñación ou a unión das pezas móbiles, a rotura de pezas e calquera outra condición que poida afectar o funcionamento da ferramenta eléctrica.
- Utilizar a ferramenta eléctrica, os accesorios e as brocas da ferramenta de acordo con estas instrucións, tendo en conta as condicións de traballo e o traballo a realizar.
3. Contido do paquete
Ao desembalar, comprobe que todos os elementos enumerados a continuación estean presentes e non estean danados:
- 1 x ELECTROPRIME 8V Rechargeable Wireless Grinder
- 1 x cable de carga
- 52 x Assorted Accessories (e.g., grinding bits, polishing pads, cutting discs)
- 1 x Manual de usuario (este documento)
If any items are missing or damaged, please contact ELECTROPRIME customer support immediately.
4. Produto rematadoview
Familiarize yourself with the components of your wireless grinder:

Figura 1: Product Dimensions. The grinder measures approximately 194mm (7.64 inches) in length and 36mm (1.42 inches) in width, indicating its compact and ergonomic design.
- Pantalla dixital LED: Shows current speed setting and battery status.
- Botón de control de velocidade: Axusta entre 6 configuracións de velocidade.
- Botón de encendido: Turns the grinder on and off.
- Reixa de ventilación: Part of the integrated heat dissipation system.
- chuck: Holds various accessories. Features an automatic lock shaft for easy changes.

Figura 2: Automatic Lock Shaft Design. This feature simplifies the process of changing grinding accessories, ensuring a secure fit with the 304 spindle, alloy sandwich, and alloy nut.
5. Configuración
5.1. Carga inicial
Before first use, fully charge the grinder's built-in 1000mAh lithium battery. Connect the charging cable to the grinder's charging port and plug the other end into a suitable power source. The LED digital display will indicate the charging status. Charging typically takes approximately 40 minutes for a full charge, providing up to 40 minutes of working time depending on the load.
5.2. Colocación de accesorios
- Ensure the grinder is turned off.
- Press and hold the automatic lock shaft button (if present, otherwise twist the chuck to engage lock).
- Afrouxa a porca do mandril xirándoa en sentido antihorario.
- Insert the desired accessory (with a shank diameter of 2.3mm or 3.3mm) into the chuck.
- Tighten the chuck nut securely by rotating it clockwise. Release the lock shaft button.
- Gently pull on the accessory to ensure it is firmly seated before operation.
6. Instrucións de funcionamento
6.1. Acendido/apagado
To turn the grinder on, press the Power Button. The LED digital display will illuminate, showing the current speed setting and battery level. To turn off, press the Power Button again.
6.2. Axuste da velocidade
The grinder features a six-speed transmission, allowing for precise control over various applications. Press the Speed Control Button to cycle through the available speed settings, ranging from 5000 to 30000 revolutions per minute (r/min). The selected speed will be displayed on the LED screen.
- Velocidades máis baixas (1-2): Ideal for polishing, delicate work, or when less material removal is desired.
- Velocidades medias (3-4): Suitable for general grinding, sanding, and carving tasks.
- Velocidades máis altas (5-6): Best for heavy-duty grinding, cutting, and rapid material removal.
6.3. Working with the Grinder
Always start with a lower speed setting and gradually increase it as needed for the task. Apply light, consistent pressure. Allow the tool to do the work. The integrated fan blade heat dissipation system helps maintain optimal operating temperature during extended use.
7. Mantemento
7.1. Limpeza
After each use, ensure the grinder is turned off and disconnected from any charging source. Use a soft, dry cloth to wipe down the exterior of the tool. Use a small brush or compressed air to clear dust and debris from the ventilation grilles and chuck area. Do not use harsh chemicals or abrasive cleaners.
7.2. Almacenamento
Store the grinder and its accessories in a clean, dry place, away from direct sunlight, moisture, and extreme temperatures. Keep it out of reach of children. If storing for an extended period, ensure the battery is partially charged (around 50%) to prolong its lifespan.
7.3. Coidado da batería
To maximize battery life, avoid fully discharging the battery frequently. Recharge the battery when the LED display indicates low power. Do not expose the battery to fire or high temperatures.
8 Solución de problemas
If you encounter issues with your ELECTROPRIME wireless grinder, refer to the following common problems and solutions:
| Problema | Causa posible | Solución |
|---|---|---|
| O moedor non se acende. | A batería está descargada. | Cargue a batería completamente. |
| O moedor para durante o funcionamento. | A batería está baixa ou a ferramenta está sobrecargada. | Recharge the battery. Reduce pressure on the tool or use a lower speed setting. |
| Accessory is loose or falls out. | Chuck nut not tightened sufficiently. Incorrect accessory shank size. | Ensure the chuck nut is securely tightened. Verify the accessory shank diameter is 2.3mm or 3.3mm. |
| Vibracións ou ruídos excesivos. | Accessory is bent, damaged, or improperly installed. | Inspect the accessory for damage. Reinstall the accessory correctly. Replace damaged accessories. |
| Grinder overheats. | Prolonged heavy use or blocked ventilation. | Allow the tool to cool down. Ensure ventilation grilles are clear of debris. Reduce load. |
If the problem persists after attempting these solutions, please contact ELECTROPRIME customer support.
9. Especificacións
| Número de modelo | TBD0601603101A |
| Electric Grinding Voltage | 8V |
| Tipo de motor | Motor de imán permanente |
| Speed Adjustment Gear | 6 velocidades |
| Velocidade sen carga | 5000 - 30000 r/min |
| Chuck Specification | 2.3 mm / 3.3 mm |
| Batería incorporada | Batería de litio de 1000 mAh |
| Working Time (approx.) | minutos 40 |
| Dimensións do produto (L x A) | 19.4 cm x 3.6 cm (7.64 polgadas x 1.42 polgadas) |
| Peso neto do produto | 225 gramos (0.5 libras) |
| Peso do paquete | 0.71 kg (1.56 lb) |
| Tamaño do paquete (L x W x H) | 18 cm x 12 cm x 4 cm (7.09 polgadas x 4.72 polgadas x 1.57 polgadas) |
10. Garantía e soporte
ELECTROPRIME products are manufactured to high-quality standards. For warranty information, please refer to the warranty card included with your purchase or visit the official ELECTROPRIME websitio. Garde o recibo da compra como xustificante da mesma.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact ELECTROPRIME customer service through the contact information provided on your product packaging or the official websitio.
When contacting support, please have your product model number (TBD0601603101A) and purchase date readily available.