1. Introduction
Thank you for choosing the Worx 20V 115mm Wireless Angle Grinder, Model WX815.9. This high-performance cordless tool is designed for efficient material removal and cutting tasks. It features a powerful 1000W equivalent brushless motor, adjustable speed control, and advanced safety mechanisms. Please read this manual thoroughly before operating the tool to ensure safe and effective use.
Important Safety Information: Always wear appropriate personal protective equipment (PPE) including safety glasses, hearing protection, and gloves when operating this tool. Ensure the workpiece is securely clamped. Disconnect the battery pack before making any adjustments or changing accessories.
2. Setup
2.1 Unpacking and Component Identification
Carefully remove all contents from the packaging. Verify that all included components are present:
- Worx WX815.9 Angle Grinder Unit
- Disc Guard
- Wrench
- Auxiliary Handle
Note: Batteries and charger are sold separately and are not included with this model.
2.2 Battery Installation
The WX815.9 is compatible with the full range of Worx 20V Power Share battery packs. To install the battery:
- Align the battery pack with the battery port on the tool.
- Slide the battery pack into the port until it clicks securely into place.
- To remove, press the battery release button and slide the battery pack out.
2.3 Attaching the Disc Guard
The disc guard provides protection from sparks and debris. This model features a tool-free 2-in-1 protection adjustment.
- Ensure the tool is switched off and the battery is removed.
- Position the disc guard over the spindle housing.
- Rotate the guard to the desired position for optimal protection and secure it.
2.4 Attaching the Auxiliary Handle
The removable auxiliary handle can be attached for right or left-handed use, providing improved control and comfort.
- Screw the auxiliary handle into one of the threaded holes on either side of the gear housing.
- Tighten firmly by hand.
Figure 1: Worx WX815.9 Angle Grinder with disc guard and auxiliary handle attached. This image illustrates the main components assembled for operation.
3. Operating Instructions
3.1 Powering On and Off
The tool features a softstart technology for a smooth and safe start-up.
- To Turn On: Press and hold the power switch. The motor will gradually reach the set speed.
- To Turn Off: Release the power switch. The fast electric brake will stop the disc immediately.
3.2 Speed Control Adjustment
The WX815.9 offers adjustable speeds ranging from 3,000 to 8,600 RPM, allowing precise control for various tasks and materials.
- Locate the speed adjustment dial/switch on the tool.
- Rotate the dial or move the switch to select the desired speed setting. Lower speeds are suitable for polishing or delicate work, while higher speeds are for aggressive cutting and grinding.
3.3 General Operation Guidelines
Always ensure the workpiece is stable and secured. Apply light, even pressure when cutting or grinding. Allow the tool to do the work; excessive force can lead to kickback or damage to the tool and workpiece. The anti-back technology helps prevent shaking and reduces the risk of accidents during operation.
4. Maintenance
4.1 Cleaning
Regular cleaning extends the life of your tool. Always remove the battery pack before cleaning.
- Use a soft brush or compressed air to clear dust and debris from ventilation openings.
- Wipe the tool housing with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
4.2 Disc Replacement
Worn or damaged discs should be replaced immediately. Refer to the disc manufacturer's instructions for proper installation and safety.
- Ensure the tool is switched off and the battery is removed.
- Press the spindle lock button.
- Use the provided wrench to loosen and remove the flange nut.
- Remove the old disc and replace it with a new, appropriate disc.
- Secure the new disc by tightening the flange nut with the wrench while holding the spindle lock.
4.3 Storage
Store the angle grinder in a clean, dry place, out of reach of children. Remove the battery pack before storing for extended periods.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not installed correctly or discharged. | Ensure battery is fully charged and properly seated. |
| Reduced power during operation | Battery charge is low. Overload protection activated. | Recharge battery. Reduce pressure on the workpiece. |
| Excessive vibration | Disc is damaged or improperly installed. | Inspect and replace disc if damaged. Reinstall disc correctly. |
If problems persist after attempting these solutions, please contact Worx customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | WX815.9 |
| Brand | WORX |
| Voltage | 20 Volts |
| Wattage (equivalent) | 1000 watts |
| Disc Diameter | 115mm |
| Maximum Rotational Speed | 8600 RPM |
| Power Source | Battery Powered |
| Weight | 2.38 Kilograms |
| Material | Metal, Plastic, Rubber |
| Included Components | Machine, Disc Guard, Wrench |
7. Warranty and Support
WORX products are manufactured to high-quality standards and are guaranteed against manufacturing defects. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official WORX website. Keep your proof of purchase for warranty claims.
For technical assistance, spare parts, or service inquiries, please contact WORX customer support through their official website or the contact information provided in your product documentation. When contacting support, please have your model number (WX815.9) and serial number (if applicable) ready.
