1. Introdución
The BLACK+DECKER 4-1/2-Inch 6.5-Amp Angle Grinder (Model BDEG400) is a versatile power tool designed for various tasks including sharpening, cutting, grinding, rust removal, and surface preparation. This manual provides essential information for safe and effective use of your angle grinder.

Image 1: The BLACK+DECKER BDEG400 Angle Grinder.
2. Información xeral de seguridade
Always follow basic safety precautions when using power tools to reduce the risk of fire, electric shock, and personal injury. Read all instructions carefully before operating this tool.
2.1. Seguridade persoal
- Usar o equipo de protección individual (EPI) axeitado: Always wear safety goggles or safety glasses with side shields, a dust mask, hearing protection, and heavy-duty gloves.
- Vístete correctamente: Non leve roupa folgada nin xoias. Manteña o cabelo, a roupa e as luvas lonxe das pezas móbiles.
- Mantéñase alerta: Watch what you are doing and use common sense. Do not use the tool while tired or under the influence of drugs, alcohol, or medication.
2.2. Seguridade eléctrica
- Evitar o contacto corporal con superficies conectadas á terra: Por example, pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is grounded.
- Do not expose power tools to rain or wet conditions: A auga que entra nunha ferramenta eléctrica aumentará o risco de descarga eléctrica.
- Non abuses do cable: Never use the cord for carrying, pulling, or unplugging the power tool. Keep cord away from heat, oil, sharp edges, or moving parts.
2.3. Seguridade da zona de traballo
- Manter a zona de traballo limpa e ben iluminada: As zonas desordenadas ou escuras invitan a accidentes.
- Non manexe ferramentas eléctricas en atmosferas explosivas: Como en presenza de líquidos, gases ou po inflamables. As ferramentas eléctricas crean faíscas que poden acender o po ou os fumes.
- Manteña afastados aos nenos e aos transeúntes: As distraccións poden facer que perdas o control.
3. Compoñentes do produto
Familiarize yourself with the main parts of your BLACK+DECKER Angle Grinder:

Image 2: Key features of the angle grinder including the 3-Position Side Handle, One-Touch Release Switch, and Spindle Lock.
- Asa lateral de 3 posicións: Provides adjustable comfort and control for various applications and angles.
- One-Touch Release Switch: Allows for quick power shutdown for enhanced safety.
- Bloqueo do fuso: Facilitates easy and secure accessory changes.
- Metal Gear Case: Ensures durability and extends the tool's lifespan.
4. Instrucións de configuración
4.1. Fixación da asa lateral
The side handle can be installed in three different positions (left, right, or top) to suit your working preference and application. Simply screw the handle into the desired threaded hole on the gear case until it is secure.

Image 3: The 3-position handle offers flexibility for user comfort and control.
4.2. Installing/Changing Grinding Discs
- Ensure the tool is unplugged from the power source before attempting any accessory changes.
- Manteña premido o botón de bloqueo do eixe located on the gear case.
- Use the provided spanner wrench to loosen the outer flange nut by turning it counter-clockwise.
- Remove the outer flange nut and the old grinding disc.
- Place the new 4-1/2 inch grinding disc onto the inner flange, ensuring it is centered.
- Replace the outer flange nut and tighten it clockwise using the spanner wrench while holding the spindle lock button. Ensure the disc is securely fastened.
- Adjust the wheel guard to provide maximum protection for your specific application.
5. Instrucións de funcionamento
5.1. Acendido/apagado
- To turn the grinder ON, slide the power switch forward. For continuous operation, push the switch fully forward until it locks into place.
- To turn the grinder DESACTIVADO, press the one-touch release switch (if locked) or slide the power switch backward.
5.2. Técnicas de moenda e corte
Always allow the grinder to reach full speed before contacting the workpiece. Apply moderate pressure and let the tool do the work. Avoid excessive force, which can cause kickback or damage to the disc and tool.

Image 4: The powerful 6.5-Amp motor delivers 10,000 RPM for efficient grinding and cutting.
For grinding, hold the tool at a 15-30 degree angle to the workpiece. For cutting, hold the tool perpendicular to the workpiece, ensuring the cutting disc is aligned with the cut line.

Image 5: The angle grinder being used for cutting metal, generating sparks.
5.3. Vídeos oficiais de produtos
Watch these official videos for a visual guide on the BLACK+DECKER Angle Grinder:
BLACK+DECKER Angle Grinder Tool, 4-1/2-Inch, 6 Amp (BDEG400)
Vídeo 1: Un oficial acabouview of the BLACK+DECKER BDEG400 Angle Grinder, highlighting its features and capabilities.
A live look at the Black & Decker Angle Grinder
Video 2: A live demonstration of the Black & Decker Angle Grinder in action, showcasino seu rendemento.
6. Mantemento
Regular maintenance ensures optimal performance and extends the life of your angle grinder.
- Limpeza: Keep the tool's ventilation openings clean and free from debris. Use a soft brush or compressed air to remove dust and metal particles.
- Inspección do cable: Regularly inspect the power cord for any damage, cuts, or fraying. Replace damaged cords immediately.
- Inspección de discos: Before each use, check grinding and cutting discs for cracks, chips, or excessive wear. Replace damaged or worn discs.
- Inspección de cepillos: Carbon brushes may need periodic replacement. Refer to a qualified service technician for brush inspection and replacement.
7 Solución de problemas
Se tes problemas coa túa rebarbadora angular, consulta os seguintes problemas e solucións comúns:
| Problema | Causa posible | Solución |
|---|---|---|
| A ferramenta non comeza | Sen subministración de enerxía; interruptor defectuoso; escobillas de carbón gastadas | Check power outlet and cord; Ensure switch is fully engaged; Consult service center for brush replacement. |
| Vibración excesiva | Disco danado ou desequilibrado; porca de brida solta | Substitúa o disco; Aperte ben a porca da brida. |
| Sobrequecemento | Ranuras de ventilación bloqueadas; Carga excesiva | Limpar as rañuras de ventilación; reducir a presión sobre a peza de traballo; deixar que a ferramenta arrefríe. |
| Sparks are excessive or unusual | Worn carbon brushes; Incorrect disc for material | Consult service center for brush replacement; Use appropriate disc for the material. |
8. Especificacións técnicas
| Característica | Especificación |
|---|---|
| Marca | BLACK+DECKER |
| Número de modelo | BDEG400 |
| Fonte de enerxía | Eléctrico con cable |
| Voltage | 120 voltios |
| Wattage | 800 vatios |
| Velocidade de rotación máxima | 10000 RPM |
| Dimensións do produto | 12.5 cm de longo x 4.63 cm de ancho x 5.19 cm de alto |
| Peso do elemento | 4.4 libras |
| Compoñentes incluídos | 4 1/2" Small Angle Grinder, Metal Grinding Wheel, Spanner Wrench, Wheel Guard |
9. Garantía e soporte
9.1. Información da garantía
This BLACK+DECKER Angle Grinder (Model BDEG400) comes with a Garantía limitada do fabricante de 2 anosEsta garantía cobre defectos de material ou de fabricación. Conserve o comprobante de compra para reclamacións de garantía.
9.2. Atención ao cliente
For technical assistance, parts, or service, please contact BLACK+DECKER customer support. Visit the official BLACK+DECKER websitio web ou consulte a información de contacto que se inclúe na embalaxe do produto.





