Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Total TG1121256-3 Angle Grinder. Please read this manual thoroughly before using the tool and keep it for future reference. This angle grinder is designed for grinding and cutting various materials using appropriate discs.
Important Safety Instructions
WARNING: Read 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.
General Power Tool Safety
- Work Area Safety: Keep work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Avoid body contact with earthed or grounded surfaces.
- Personal Safety: Always wear eye protection. Use hearing protection when operating the tool for extended periods. Wear a dust mask if operations create dust. Dress properly; do not wear loose clothing or jewelry. Keep hair and clothing away from moving parts.
- Tool Use and Care: Do not force the power tool. Use the correct power tool for your application. Disconnect the plug from the power source and/or remove the battery pack, if detachable, from the power tool before making any adjustments, changing accessories, or storing power tools.
- Specific Grinder Safety: Always use guards. Ensure the guard is securely attached and positioned for maximum safety. Use only discs with the correct diameter and bore size. Never use damaged or incorrect discs.
Product Overview
The Total TG1121256-3 Angle Grinder is a versatile tool for various grinding and cutting applications. Familiarize yourself with its components before operation.

Image 1: Total TG1121256-3 Angle Grinder. This image shows the main unit of the angle grinder, including the motor housing, gear head, spindle, disc guard, and the auxiliary side handle attached.
Main Components:
- Main Body: Contains the motor and internal mechanisms.
- Spindle: The rotating shaft where the grinding/cutting disc is mounted.
- Disc Guard: Protects the user from sparks and debris.
- Auxiliary Side Handle: Provides additional grip and control during operation.
- Power Switch: To turn the tool ON/OFF.
- Speed Control Dial: Adjusts the no-load speed (5000-12000 rpm).
Setup and Assembly
1. Attaching the Auxiliary Side Handle
The auxiliary side handle can be screwed into one of the threaded holes on the gear housing, depending on your working preference (left or right-handed operation). Ensure it is tightened securely before use.
2. Installing/Changing Grinding/Cutting Discs
- Disconnect Power: Always unplug the tool from the power source before changing discs.
- Position Guard: Adjust the disc guard to provide maximum protection for the task.
- Press Spindle Lock: Press and hold the spindle lock button to prevent the spindle from rotating.
- Loosen Flange Nut: Use the provided wrench to loosen and remove the outer flange nut.
- Place Disc: Position the desired grinding or cutting disc onto the inner flange, ensuring it sits correctly on the spindle. The disc diameter should be 126mm (5 inches).
- Secure Flange Nut: Replace the outer flange nut and tighten it firmly with the wrench while holding the spindle lock button. Do not overtighten.
- Check Disc: Ensure the disc is properly seated and rotates freely without wobbling.
Operating the Angle Grinder
1. Power Connection
Connect the power cord to a suitable 220-240V~50/60Hz power outlet. Ensure the power switch is in the OFF position before plugging in.
2. Adjusting Speed
The angle grinder features a variable speed control dial. Rotate the dial to select the desired no-load speed between 5000 and 12000 RPM. Lower speeds are generally used for polishing or delicate work, while higher speeds are for aggressive grinding and cutting.
3. Starting and Stopping
- To Start: Push the power switch forward to the ON position.
- To Stop: Push the power switch backward to the OFF position.
4. Grinding and Cutting Techniques
- Grinding: Hold the grinder firmly with both hands. Position the disc at a slight angle (15-30 degrees) to the workpiece. Apply moderate pressure and move the grinder smoothly across the surface.
- Cutting: For cutting, hold the grinder perpendicular (90 degrees) to the workpiece. Use a cutting disc and apply light, consistent pressure. Allow the disc to do the work. Avoid twisting or jamming the disc.
- Material Compatibility: Ensure the disc type is appropriate for the material being worked on (e.g., metal, stone).
Maintenance
Regular maintenance ensures the longevity and safe operation of your angle grinder.
- Cleaning: After each use, clean the tool with a dry cloth. Use compressed air to clear dust from ventilation openings. Do not use water or chemical cleaners.
- Disc Inspection: Regularly inspect grinding and cutting discs for wear, cracks, or damage. Replace worn or damaged discs immediately.
- Carbon Brushes: The carbon brushes may need replacement after extended use. This should ideally be performed by a qualified service technician.
- Storage: Store the tool in a dry, secure place, out of reach of children.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start. | No power supply; faulty switch; carbon brushes worn. | Check power connection. Ensure switch is ON. Inspect/replace carbon brushes (professional service recommended). |
| Excessive vibration. | Disc improperly mounted; damaged disc; worn bearings. | Re-mount disc correctly. Replace damaged disc. Seek professional service for worn bearings. |
| Reduced power/speed. | Overload; worn carbon brushes; speed control dial setting. | Reduce load. Inspect/replace carbon brushes. Adjust speed control dial to a higher setting. |
Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | TG1121256-3 |
| Brand | Total |
| Input Power | 1010 W |
| Voltage | 220-240 V ~ 50/60 Hz |
| No-Load Speed | 5000-12000 RPM |
| Disc Diameter | 126 mm (5 inches) |
| Spindle Thread | M14 |
| Material | Metal |
| Power Source | Corded Electric |
| Included Components | Side Handle |
| Product Dimensions | 10 x 20 x 37 cm |
| Item Weight | 209 grams (Note: This weight may be a typographical error in the source data, as angle grinders typically weigh more.) |
Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or contact Total customer service. Keep your purchase receipt as proof of purchase for any warranty claims.





