Ryobi RAG 800-125G Electric Angle Grinder User Manual

1. Important Safety Information

Always read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury. Save all warnings and instructions for future reference.

• Wear Eye Protection: Always wear appropriate eye protection, such as safety goggles or a face shield, to protect against flying debris.
• Wear Hearing Protection: Prolonged exposure to noise from grinding operations can cause hearing damage.
• Use Proper Guards: Ensure the guard is correctly positioned and securely fastened before operation.
• Maintain Firm Grip: Always hold the angle grinder firmly with both hands during operation.
• Inspect Workpiece: Ensure the workpiece is stable and secured to prevent movement during operation.
• Check for Damage: Before each use, inspect the tool for any damage, loose parts, or worn components. Do not operate a damaged tool.
• Unplug When Not in Use: Disconnect the tool from the power source before making any adjustments, changing accessories, or storing the tool.

2. Setup

Before operating your Ryobi RAG 800-125G Electric Angle Grinder, ensure it is properly set up and all components are securely attached.

2.1 Unpacking

Carefully remove the angle grinder and all accessories from the packaging. Inspect for any shipping damage. Retain packaging for future storage or transport.

2.2 Attaching the Side Handle

The side handle can be adjusted to two positions for optimal control and comfort, depending on the application and user preference.

1. Locate the threaded holes on both sides of the grinder's gear housing.
2. Screw the side handle firmly into the desired position. Ensure it is tightened securely to prevent movement during operation.

2.3 Installing/Changing Grinding Wheel

Always ensure the tool is unplugged from the power source before installing or changing any accessories.

1. Press and hold the shaft locking button to prevent the spindle from rotating.
2. Using the provided wrench, loosen and remove the outer flange nut by turning it counter-clockwise.
3. Place the desired grinding or cutting disc onto the inner flange, ensuring it sits flush. The disc diameter should be 125 mm and the bore 22 mm.
4. Replace the outer flange nut and tighten it clockwise with the wrench while holding the shaft locking button. Do not overtighten.

2.4 Guard Adjustment

The guard protects against sparks and debris. Adjust it to provide maximum protection for your specific task.

• Loosen the guard's locking screw or lever.
• Rotate the guard to the position that best shields you from sparks and debris.
• Tighten the locking screw or lever securely. Never operate the grinder without the guard properly installed.

Figure 1: Ryobi RAG 800-125G Angle Grinder showing the main body, side handle, and protective guard. The shaft locking button is visible near the spindle.

3. Operating Instructions

Follow these guidelines for safe and effective operation of your angle grinder.

3.1 Starting the Tool

The Ryobi RAG 800-125G features a LLO (Lock-Off) system for protection against accidental starts in the event of a power failure. This means if power is interrupted, the tool will not restart automatically when power is restored.

1. Ensure the tool is plugged into a suitable power outlet.
2. To start, press the safety lock-off button (if present) and then depress the trigger switch.
3. To stop, release the trigger switch.

3.2 Proper Grip and Posture

Always maintain a firm grip with both hands on the main handle and the side handle. Stand in a balanced position, keeping your body clear of the rotating disc and potential kickback paths.

3.3 Grinding and Cutting Techniques

Allow the disc to reach full speed before contacting the workpiece. Apply light, even pressure. Avoid forcing the tool, as this can lead to kickback or damage to the disc and tool.

Figure 2: Proper technique for cutting a stone slab with the Ryobi RAG 800-125G Angle Grinder. Note the firm two-hand grip and appropriate safety glasses.

Figure 3: Demonstrating metal cutting with the Ryobi RAG 800-125G Angle Grinder. Sparks are a normal byproduct of this operation; ensure proper PPE and clear surroundings.

4. Maintenance

Regular maintenance ensures the longevity and safe operation of your angle grinder. Always unplug the tool before performing any maintenance.

4.1 Cleaning

Keep the ventilation openings clear and free from dust and debris. Use a soft brush or compressed air to clean the tool. Do not use water or chemical cleaners.

4.2 Disc Inspection and Replacement

Regularly inspect grinding and cutting discs for wear, cracks, or damage. Replace worn or damaged discs immediately. Never use a disc that is chipped or cracked.

4.3 Storage

Store the angle grinder in a dry, secure location out of reach of children. Ensure the power cord is neatly coiled and not kinked.

5. Troubleshooting

If you encounter issues with your Ryobi RAG 800-125G, refer to the following common problems and solutions.

If the problem persists after attempting these solutions, please contact Ryobi customer support or an authorized service center.

6. Specifications

Technical data for the Ryobi RAG 800-125G Electric Angle Grinder.

7. Warranty and Support

For warranty information, service, or technical support, please refer to the warranty card included with your product or visit the official Ryobi website. Keep your proof of purchase for warranty claims.

Ryobi Official Website: www.ryobitools.com