1. Introduction
Thank you for choosing the HiKOKI G10BYE 200V Electronic Disc Grinder. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your new tool. Please read this manual thoroughly before use and keep it for future reference.
Image 1.1: The HiKOKI G10BYE 200V Electronic Disc Grinder, featuring its green and black housing with a grinding disc attached.
2. Safety Instructions
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. This tool is equipped with several safety features:
- AC Brushless Motor: Provides efficient power delivery and extended tool life.
- Brake Function: Quickly stops the grinding disc upon power-off for enhanced safety.
- Kickback Reduction System: Minimizes sudden rotational force in case of disc binding.
- Restart Prevention Function: Prevents accidental startup after a power interruption.
- Soft Start: Ensures a smooth and controlled start-up, reducing initial torque jolt.
- Two-Action Slide Switch: Requires two distinct actions to activate, preventing unintentional operation.
General Safety Guidelines:
- Wear appropriate personal protective equipment (PPE), including safety glasses, hearing protection, and gloves.
- Ensure the work area is clean, well-lit, and free from obstructions.
- Keep bystanders and children away from the operating area.
- Do not operate the tool in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Always disconnect the tool from the power source before making any adjustments, changing accessories, or storing the tool.
- Use only accessories specifically designed for this disc grinder.
3. Components and Features
Familiarize yourself with the main components of your HiKOKI G10BYE 200V Disc Grinder:
- Grinding Disc: The abrasive wheel used for material removal.
- Spindle Lock Button: Used to lock the spindle for disc changes.
- Guard: Protects the user from sparks and debris.
- Side Handle: Provides additional grip and control during operation.
- Two-Action Slide Switch: Power activation switch.
- Power Cord: Connects the tool to the electrical supply.
4. Setup
4.1 Attaching the Side Handle
The side handle can be attached to either side of the gear housing for left or right-handed operation. Screw the side handle firmly into the threaded hole on the gear housing until secure.
4.2 Installing/Changing the Grinding Disc
- Ensure the tool is unplugged from the power source.
- Press and hold the spindle lock button.
- Using the provided wrench, loosen the flange nut by turning it counter-clockwise.
- Remove the old disc (if applicable) and clean the flanges.
- Place the new grinding disc onto the inner flange, ensuring it is centered.
- Thread the flange nut back on and tighten it securely with the wrench while holding the spindle lock button. Do not overtighten.
4.3 Adjusting the Guard
The guard can be rotated to provide optimal protection for your specific grinding or cutting application. Loosen the guard clamping screw, rotate the guard to the desired position, and then securely tighten the screw.
5. Operating Instructions
5.1 Powering On/Off
- To Turn On: Push the slide switch forward and then depress the front part of the switch. The tool will start with a soft start.
- To Turn Off: Release the slide switch. The brake function will quickly stop the disc.
5.2 Grinding and Cutting Techniques
Always allow the disc to reach full speed before contacting the workpiece. Apply light, even pressure. For grinding, maintain a small angle (15-30 degrees) between the disc and the workpiece. For cutting, use a cutting disc and ensure the disc is perpendicular to the workpiece. Avoid twisting or jamming the disc.
Image 5.1: A HiKOKI disc grinder in operation, demonstrating material removal with sparks.
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your tool.
- Cleaning: After each use, clean the tool with a dry cloth. Use compressed air to clear dust from ventilation openings.
- Disc Inspection: Regularly inspect grinding and cutting discs for wear, cracks, or damage. Replace damaged discs immediately.
- Power Cord: Check the power cord for any cuts, abrasions, or damage. Do not use the tool if the cord is damaged.
- Brushless Motor: The AC brushless motor requires no carbon brush replacement, reducing maintenance needs.
For any repairs or internal maintenance, contact an authorized HiKOKI service center.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start. | No power supply; Restart prevention activated; Faulty switch. | Check power connection; Cycle power switch; Contact service center. |
| Disc not spinning freely. | Disc jammed; Flange nut overtightened; Damaged disc. | Clear obstruction; Loosen/retighten nut; Replace disc. |
| Excessive vibration. | Damaged or unbalanced disc; Loose components. | Replace disc; Check all fasteners. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | G10BYE 200V |
| Power Source | Single-phase 200V AC |
| Current | 6.0 A |
| Power Consumption | 1,050 W |
| No-load Speed | 10,000 min-1 |
| Max Output Power | 1,400 W |
| Disc Dimensions (Outer Dia. x Thickness x Hole Dia.) | 100 x 6 x 15 mm |
| Weight (excluding cord and disc) | 1.7 kg |
| Power Cord Length | 2-core, 2.5 m |
| Standard Accessories | Resinoid flexible disc (#36), Wrench, Side handle, Instruction Manual |
9. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official HiKOKI website. For technical support, spare parts, or service inquiries, please contact your local authorized HiKOKI service center. Ensure you have your model number (G10BYE 200V) and serial number (if applicable) ready when contacting support.
You can find more information and contact details on the official HiKOKI website: www.hikoki-powertools.jp
