1. Important Safety Information
Read all safety warnings and instructions carefully before operating this product. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
- Personal Protective Equipment: Always wear protective glasses, gloves, and safety shoes during operation.
- Clear Work Area: Ensure the area is clear of other people and animals before starting the trimmer.
- Environmental Conditions: Do not use the trimmer in rain or on slippery surfaces.
- Battery Safety: Use only the specified 40V/2.5A Lithium battery (not included) and charger for this tool.
- Maintenance: Disconnect the battery before performing any maintenance, cleaning, or when changing accessories.
2. Product Overview
The Yard Force LT G33AW is a 40V cordless electric grass trimmer designed for efficient lawn and garden maintenance. It combines power and precision for a neat finish.

Image 2.1: The Yard Force LT G33AW 40V Cordless Electric Grass Trimmer.
Key Features:
- Brushless Motor: Provides enhanced performance and extended tool life.
- Adjustable Cutting Width: Features a 30cm cutting width for efficient trimming.
- Automatic Feed Head: Ensures continuous cutting line length for consistent results.
- Edging Wheel: Integrated wheel on the motor head for easy and precise lawn edging.
- Part of GR40 Range: Battery is interchangeable with other Yard Force GR40 series products.
3. Setup
Before first use, ensure all components are present and correctly assembled.
3.1 Assembly
- Handle Attachment: Securely attach the auxiliary handle to the main shaft at a comfortable position.
- Guard Installation: Mount the protective guard over the cutting head. Ensure it clicks into place firmly.
- Adjusting Cutting Width: The cutting width can be adjusted between 28-33 cm. Refer to the markings on the guard and adjust as needed.

Image 3.1: Adjusting the cutting width on the trimmer.
3.2 Battery Installation
This product requires a 40V/2.5A Lithium battery (not included).
- Charge Battery: Fully charge the battery using a compatible Yard Force 40V charger before first use.
- Insert Battery: Slide the charged battery into the battery compartment until it clicks securely into place.
- Remove Battery: Press the battery release button and slide the battery out of the compartment.

Image 3.2: Inserting the 40V battery into the trimmer.
4. Operating Instructions
Always ensure the work area is clear and you are wearing appropriate safety gear before starting.
4.1 Starting and Stopping
- To Start: Press and hold the safety lock-off button, then squeeze the trigger switch.
- To Stop: Release the trigger switch.
4.2 Trimming Grass
Hold the trimmer firmly with both hands. Swing the trimmer from side to side, keeping the cutting head parallel to the ground. Maintain a steady pace for an even cut.

Image 4.1: Operating the trimmer for general grass cutting.
4.3 Edging
To use the edging function, rotate the trimmer head to the vertical position. The integrated wheel will assist in guiding the trimmer along edges for a clean, precise finish.

Image 4.2: Using the trimmer for edging along a pathway.

Image 4.3: Close-up of the integrated edging wheel.
5. Maintenance
Regular maintenance ensures optimal performance and extends the life of your trimmer. Always remove the battery before any maintenance.
5.1 Cleaning
- After each use, clean the cutting head and guard with a brush or damp cloth to remove grass clippings and debris.
- Do not use harsh chemicals or abrasive cleaners.
- Ensure ventilation openings are clear of obstructions.

Image 5.1: Close-up of the cutting head and protective guard.
5.2 Line Replacement
The trimmer uses a 1.5mm diameter cutting line. When the line runs out, replace the spool with a new one or manually wind new line onto the existing spool according to the manufacturer's instructions.
6. Troubleshooting
If you encounter issues with your trimmer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not inserted correctly or discharged; Safety lock-off not engaged; Trigger not pressed. | Ensure battery is fully charged and correctly inserted. Press safety lock-off button before squeezing trigger. |
| Poor cutting performance | Cutting line too short or worn; Cutting head clogged with debris. | Replace cutting line spool. Clean cutting head and guard. |
| Excessive vibration | Damaged cutting head or unbalanced line. | Inspect cutting head for damage. Ensure cutting line is evenly distributed. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | LT G33AW |
| Brand | Yard Force |
| Power Source | Battery Powered (40V) |
| Material | Metal, Plastic |
| Item Weight | 3.63 Kilograms |
| Cutting Width | 30 Centimeters |
| Line Diameter | 1.5mm |
| Operating Mode | Manual |
| Assembly Required | Yes |
| Number of Positions | 5 |
| Max. Adjustable Cutting Height | 75 Millimeters |
| Min. Adjustable Cutting Height | 25 Millimeters |
8. Warranty and Support
Yard Force offers a 2+1 year manufacturer warranty for this product. For warranty claims, technical support, or spare parts, please contact Yard Force customer service through their official website or the retailer where the product was purchased.
Keep your proof of purchase for warranty validation.