ONEVAN 5 Inch 125mm Brushless Electric Angle Grinder User Manual

1. Introduction

The ONEVAN 5 Inch 125mm Brushless Electric Angle Grinder is a versatile and powerful cordless tool designed for a variety of tasks including cutting, polishing, and grinding. Featuring a brushless motor for high efficiency and a 6-speed adjustment, it offers precise control and robust performance for both professional and home DIY applications.

2. Safety Instructions

Always follow basic safety precautions when using electric power tools to reduce the risk of fire, electric shock, and personal injury.

• Wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and hearing protection.
• Ensure the workpiece is securely clamped before operation.
• Keep the work area clean and well-lit.
• Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
• Keep children and bystanders away while operating a power tool.
• Avoid accidental starting. Ensure the switch is in the off-position before connecting to battery pack, picking up or carrying the tool.
• Do not force the power tool. Use the correct power tool for your application.
• Disconnect the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.
• Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the power tool’s operation.
• Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed.

3. Product Components

Familiarize yourself with the main parts of your ONEVAN Angle Grinder:

• Auxiliary Handle: Provides additional grip and control.
• Spindle Lock: Used to lock the spindle for easy accessory changes.
• Metal Case: Durable housing for internal components.
• Control Panel: Displays battery status and speed settings.
• Gear Adjustment: Wheel to select desired operating speed.
• Cooling Hole: Vents for heat dissipation during operation.
• Protective Cover: Shields the user from sparks and debris.
• Battery (588vf / 21V Li-ion): Provides cordless power to the tool.

4. Specifications

Technical specifications for the ONEVAN Angle Grinder:

5. Setup

5.1. Battery Installation

If your package includes a battery, ensure it is fully charged before first use. To install the battery, align it with the battery slot at the base of the grinder handle and slide it in until it clicks securely into place. To remove, press the battery release button (if present) and slide the battery out.

5.2. Accessory Attachment

1. Protective Cover: Loosen the screw on the protective cover, position it to shield you from sparks and debris, and then tighten the screw securely.
2. Auxiliary Handle: Screw the auxiliary handle into one of the threaded holes on the grinder head, ensuring it is tight for stable operation.
3. Grinding/Cutting Disc:
   • Press and hold the spindle lock button.
   • Use the provided wrench to loosen the outer flange nut.
   • Place the desired 125mm (5 inch) grinding or cutting disc onto the spindle, ensuring it is centered.
   • Replace the outer flange nut and tighten it firmly with the wrench while holding the spindle lock.

6. Operating Instructions

6.1. Power On/Off

To turn the grinder ON, push the ON/OFF switch forward. To keep the grinder working continuously without holding the switch, press the button down. To turn OFF, release the button or push the switch back.

6.2. Speed Adjustment

The grinder features 6-gear speed adjustment. Rotate the wheel on the tool body to select the required speed for your application. Lower speeds are suitable for polishing or delicate work, while higher speeds are for aggressive cutting and grinding.

6.3. Applications

This versatile tool can be used for:

• Cutting: Use appropriate cutting discs for metal, tile, or other materials.
• Polishing: Attach polishing pads for surface finishing.
• Grinding: Use grinding discs for material removal, deburring, or shaping.

7. Maintenance

• Cleaning: Regularly clean the tool's exterior with a soft, damp cloth. Keep ventilation openings clear to prevent overheating.
• Heat Dissipation: The grinder is designed with strong heat dissipation features. Ensure cooling holes are not obstructed during use.
• Accessory Inspection: Before each use, inspect grinding/cutting discs for cracks, chips, or wear. Replace damaged accessories immediately.
• General Inspection: Periodically check all screws and fasteners for tightness. Ensure the protective cover and auxiliary handle are securely attached.

8. Troubleshooting

• Tool not turning on:
  • Check if the battery is properly installed and fully charged.
  • Ensure the ON/OFF switch is fully engaged.
• Reduced power or inconsistent speed:
  • The battery might be low; recharge or replace it.
  • Ensure the speed adjustment wheel is set correctly for the task.
  • Check for excessive load on the motor; reduce pressure on the workpiece.
• Excessive vibration or noise:
  • Inspect the grinding/cutting disc for damage or improper installation.
  • Ensure the auxiliary handle is securely tightened.

Common Questions:

Q: What battery model is compatible with this grinder?
A: The grinder is designed for 18V batteries, often referred to as 588VF or 21V Li-ion batteries. Please ensure you purchase the correct type if not included with your tool.

9. User Tips

• Versatile Speed Control: Utilize the 6-gear speed adjustment for optimal performance on different materials. Lower RPMs are crucial for delicate tasks like grinding jade or glass, while higher speeds are for heavy-duty cutting and grinding.
• Lubrication: For enhanced longevity and smoother operation, consider disassembling the head and applying additional grease, as some units may come with minimal factory lubrication.
• Package Contents Verification: Upon receiving your order, carefully check the package contents against the product description to ensure all expected items, especially batteries and chargers, are included.

10. Warranty and Support

For any issues, questions, or support needs regarding your ONEVAN Angle Grinder, please contact the seller or retailer from whom you purchased the product. Keep your purchase receipt as proof of purchase.

Product Updates and Branding:

ONEVAN is committed to continuous product improvement. Please note the following update regarding branding and battery labels:

• From October 2025, the new "ONEVAN" logo will be gradually adopted, and the old logo will be phased out.
• Battery labels will be uniformly updated to "21V".

Special notes: Both new and old products are 100% genuine originals with consistent quality. The brand may adjust the appearance of products/batteries without prior notice, and we assume no responsibility for this. Thank you for your support!