1. Introduction
Thank you for choosing the Total Tools TG103512 350W Telescopic Grass Trimmer. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new tool. Please read these instructions carefully before use and keep them for future reference.
2. Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.
- Read all instructions: Familiarize yourself with the controls and proper use of the appliance.
- Wear appropriate personal protective equipment (PPE): Always wear eye protection (safety glasses or goggles), long trousers, and sturdy footwear. Consider hearing protection.
- Keep children and bystanders away: Do not allow children or untrained persons to operate this trimmer. Ensure bystanders are at a safe distance from the work area.
- Inspect the work area: Before trimming, clear the area of stones, wire, broken glass, and other debris that could be thrown by the cutting line.
- Avoid dangerous environments: Do not use the trimmer in damp or wet conditions. Do not use it in the rain.
- Maintain proper balance and footing: Do not overreach. Always keep proper footing and balance.
- Disconnect power: Always disconnect the trimmer from the power supply before cleaning, performing maintenance, or when not in use.
- Use the correct cutting line: Only use the specified cutting line diameter (1.4mm twisted) for this model.
- Check for damaged parts: Before each use, inspect the trimmer for any damaged parts. Do not use if any part is damaged.
- Store safely: Store the trimmer indoors in a dry, secure place out of reach of children.
3. Product Overview
The Total Tools TG103512 is a 350W electric grass trimmer designed for efficient lawn and garden maintenance. It features a telescopic shaft for adjustable length, providing comfort and control during operation.

Image 1: The Total Tools TG103512 350W Telescopic Grass Trimmer, showing its main components and packaging.
4. Package Contents
Upon unpacking, ensure all items listed below are present and undamaged:
- Total Tools TG103512 Grass Trimmer Unit
- Auxiliary Handle
- Safety Guard
- Instruction Manual
5. Assembly
Before assembly, ensure the trimmer is disconnected from the power supply.
5.1 Attaching the Safety Guard
- Align the safety guard with the mounting slots on the trimmer head.
- Push the guard firmly until it clicks into place. Ensure it is securely fastened before use.
5.2 Attaching the Auxiliary Handle
- Slide the auxiliary handle onto the telescopic shaft.
- Adjust the handle to a comfortable working position and tighten the locking mechanism.
5.3 Adjusting the Telescopic Shaft
- Loosen the locking collar on the telescopic shaft.
- Extend or retract the shaft to your desired length for comfortable operation.
- Tighten the locking collar securely to fix the shaft in position.

Image 2: Detail of the telescopic shaft adjustment mechanism, showing the locking collar for length adjustment.
6. Operating Instructions
Always ensure all safety instructions are followed before operating the trimmer.
6.1 Connecting to Power
- Ensure the power switch is in the 'OFF' position.
- Plug the trimmer's power cord into a suitable 220-240V ~ 50/60Hz electrical outlet.
6.2 Starting and Stopping
- To Start: Press and hold the safety lock button (if present) and then squeeze the trigger switch.
- To Stop: Release the trigger switch.
6.3 Trimming Techniques
- Sweeping Motion: Use a gentle sweeping motion from side to side to cut grass.
- Angle: Hold the trimmer at a slight angle to the ground for optimal cutting.
- Avoid Overloading: Do not force the trimmer through thick grass. Take smaller passes.
6.4 Automatic Line Feeding
This trimmer features an automatic line feed system. The cutting line will extend automatically when the trimmer is started, or when the motor speed drops significantly during use. Avoid manually pulling the line while the trimmer is running.
7. Maintenance
Regular maintenance ensures optimal performance and extends the life of your trimmer. Always disconnect the trimmer from the power supply before performing any maintenance.
7.1 Cleaning
- After each use, clean the trimmer housing with a damp cloth.
- Remove any grass clippings or debris from the safety guard and trimmer head.
- Do not use harsh chemicals or abrasive cleaners.
7.2 Replacing the Cutting Line
When the cutting line becomes too short or breaks, it needs to be replaced.
- Disconnect the trimmer from the power supply.
- Refer to the trimmer head for specific instructions on how to open the spool housing.
- Remove the old spool and replace it with a new spool pre-wound with 1.4mm twisted line, or manually wind new line onto the existing spool according to the markings.
- Ensure the line is properly threaded through the eyelets before reassembling the spool housing.
7.3 Storage
Store the trimmer in a dry, well-ventilated area, away from direct sunlight and extreme temperatures. Keep it out of reach of children and pets.
8. Troubleshooting
If you encounter problems with your trimmer, consult the following table before seeking professional assistance.
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | No power supply Power cord damaged Safety lock not engaged | Check power outlet and connection Inspect cord for damage; replace if necessary Ensure safety lock and trigger are pressed correctly |
| Cutting line does not feed | Line tangled or jammed Spool empty Incorrect line diameter | Disconnect power, clear obstruction Replace spool with new line Use 1.4mm twisted line |
| Excessive vibration | Damaged cutting line Loose components | Replace cutting line Check all fasteners and tighten if loose |
9. Technical Specifications
| Specification | Value |
|---|---|
| Model Number | TG103512 |
| Voltage | 220-240V ~ 50/60Hz |
| Input Power | 350W |
| No-load Speed | 11000/min |
| Blade Diameter | 250mm (10") |
| Line Diameter | 1.4mm twisted |
| Item Weight | 209 g |
| Product Dimensions | 10 x 20 x 37 cm |
| Power Source Type | Corded Electric |
| Color | Multi-color |
10. Warranty and Support
Total Tools products are manufactured to high-quality standards. For warranty information, please refer to the warranty card included with your purchase or contact your local Total Tools dealer. For technical support or spare parts, please contact Total Tools customer service.





