DEWINNER 20V Cordless Angle Grinder Instruction Manual

1. Důležité bezpečnostní pokyny

Always observe basic safety precautions when using this cordless angle grinder to reduce the risk of fire, electric shock, and serious personal injury. Read all instructions before operating the tool.

• Osobní ochranné prostředky (OOP): Always wear safety glasses, hearing protection, and appropriate gloves. A dust mask is recommended for dusty operations.
• Bezpečnost pracovního prostoru: Udržujte pracovní prostor čistý a dobře osvětlený. Nepoužívejte elektrické nářadí ve výbušném prostředí, například v přítomnosti hořlavých kapalin, plynů nebo prachu.
• Elektrická bezpečnost: This is a cordless tool; ensure the battery and charger are used in dry conditions. Do not expose the tool to rain or wet conditions.
• Použití a péče o nářadí: Do not force the power tool. Use the correct power tool for your application. Disconnect the battery pack before making any adjustments, changing accessories, or storing the tool.
• Zpětný ráz a související varování: Always maintain a firm grip on the tool. Be aware of the potential for kickback, especially when the disc binds or gets caught.
• Použití a péče o bateriový blok: Nabíjejte pouze nabíječkou určenou výrobcem. Nerozebírejte baterii. Nezkratujte baterii.

2. Konec produktuview

The DEWINNER 20V Cordless Angle Grinder is a versatile and portable tool designed for cutting and grinding various materials. It features a powerful 8500 RPM motor, a 4-1/2 inch wheel diameter, and comes with a 3.0Ah Lithium-Ion battery and fast charger.

Figure 2.1: The DEWINNER 20V Cordless Angle Grinder, showcasing the main unit, 3.0Ah battery, charger, auxiliary handle, wrench, and included cutting and grinding wheels.

Klíčové vlastnosti:

• Flexibilita bez kabelu: Portable design with no restrictive power cords, ideal for indoor and outdoor use. Compatible with other DEWINNER 20V Max Lithium-ion Series tools.
• Pomocná rukojeť: Reduces vibration and provides enhanced balance, control, and comfort. It can be easily attached to either side of the grinder and includes storage for the wrench.
• Large Wheel Diameter: Supports 115mm (4-1/2") diameter wheels, compatible with most standard replacement discs.
• Strong & Lightweight Design: Features a cast aluminum gear head for durability and reduced weight.
• Elektrická brzda: Enhances safety by quickly stopping the disc rotation.
• Rychlý odvod tepla: Designed for long-lasting cuts without overheating.
• Dvojitá izolace: Provides double protection against electrical leakage.
• Dust Protection Design: Helps protect internal components from dust ingress.

Obrázek 2.2: Detailní view of the angle grinder with key components labeled, including the two-position auxiliary handle, soft grip, safety button, on-off switch, wheel cover, and spindle lock.

Figure 2.3: Illustration highlighting the internal double insulation and fast heat dissipation features of the grinder.

3. Nastavení

3.1 Nabíjení baterie

Before first use, fully charge the 20V Max 3.0Ah Lithium-Ion battery. Connect the fast charger to a standard power outlet and insert the battery pack into the charger. The charger's indicator light will show the charging status. Once fully charged, remove the battery from the charger.

3.2 Instalace baterie

Align the battery pack with the battery port on the grinder handle and slide it in until it clicks securely into place. Ensure it is firmly seated before operation.

3.3 Připevnění pomocné rukojeti

The auxiliary handle can be screwed into either of the two threaded holes on the grinder's gear housing. Choose the position that provides the most comfortable and controlled grip for your application. Tighten securely by hand.

3.4 Nastavení krytu kola

The wheel guard protects against sparks and debris. It can be rotated to the desired position by loosening its clamp, adjusting, and then re-tightening. Ensure the guard is positioned to deflect debris away from you.

Figure 3.1: The metal guard and the two-position auxiliary handle, demonstrating their adjustability and importance for safety and ergonomics.

3.5 Installing/Changing Discs (Cutting/Grinding Wheels)

1. Press the Spindle Lock Button: Locate the spindle lock button on the grinder head. Press and hold it to prevent the spindle from rotating.
2. Povolte přírubovou matici: Use the included wrench to loosen and remove the outer flange nut.
3. Place the Disc: Position the desired 4-1/2 inch (115mm) cutting or grinding wheel onto the inner flange, ensuring it is centered.
4. Secure the Flange Nut: Nasaďte zpět vnější přírubovou matici a pevně ji utáhněte klíčem, zatímco stále držíte tlačítko aretace vřetena. Nepřetahujte.
5. Release Spindle Lock: Uvolněte aretační tlačítko vřetena.

Figure 3.2: Visual guide for quick installation of cutting/grinding wheels, showing the use of the spindle lock button and wrench.

4. Operating the Angle Grinder

4.1 Spuštění a zastavení nástroje

To start the grinder, first press the safety button (located on the side of the handle) and then depress the ON/OFF switch. To stop the tool, release the ON/OFF switch. The electric brake will quickly stop the disc rotation.

Figure 4.1: Location of the safety button to prevent accidental startup and the three-dimensional outlet for heat dissipation.

4.2 Proper Grip and Control

Always hold the grinder firmly with both hands, one on the main handle and one on the auxiliary handle. Maintain a balanced stance. Ensure the work piece is securely clamped nebo držen.

4.3 Cutting and Grinding Techniques

• Řezání: Use a cutting disc. Apply light, consistent pressure. Allow the disc to do the work. Avoid twisting or binding the disc in the cut.
• Broušení: Use a grinding disc. Hold the grinder at a slight angle (typically 15-30 degrees) to the workpiece. Move the grinder smoothly across the surface.
• Materiálová kompatibilita: This grinder is suitable for various materials including metal, stone, and tile, depending on the disc used.

Figure 4.2: The angle grinder in operation, demonstrating its use for cutting metal, highlighting the sparks generated during the process.

Obrázek 4.3: Přamples of versatile applications for the angle grinder, including cutting various materials and surface preparation.

5. Údržba

Regular maintenance ensures the longevity and safe operation of your DEWINNER Angle Grinder.

• Čištění: After each use, clean the tool with a soft cloth. Use compressed air to blow dust out of the ventilation openings. Do not use water or chemical cleaners.
• Kontrola disku: Regularly inspect cutting and grinding discs for wear, cracks, or damage. Replace worn or damaged discs immediately.
• Inspekce stráže: Ensure the wheel guard is securely attached and free from damage.
• Péče o baterie: Store the battery in a cool, dry place away from direct sunlight and extreme temperatures. Do not store fully discharged batteries for extended periods.
• Skladování: Store the grinder and its accessories in a dry, secure location out of reach of children.

6. Řešení problémů

7. Specifikace

Obrázek 7.1: Rozměry nadview of the DEWINNER Angle Grinder and its compatible 115mm grinding wheel.

Figure 7.2: Illustration of the powerful motor, capable of reaching 8500 RPM, which is central to the grinder's performance.

8. Záruka a podpora

The DEWINNER 20V Cordless Angle Grinder comes with a 2letá prodloužená záruka. Tato záruka se vztahuje na vady materiálu a zpracování při běžném používání.

For warranty claims, technical support, or any inquiries regarding your product, please refer to the contact information provided in your product packaging or visit the official DEWINNER website. When contacting support, please have your model number (VPCD2255) and purchase details ready.

Další zdroje a informace o produktech naleznete na DEWINNER Store on Amazon.