1. Introduction
Thank you for choosing the HART 20 Volt 13 Inch Cordless Trimmer & Blower Combo Kit. This kit provides a versatile and efficient solution for your lawn care needs, combining a powerful string trimmer and a leaf blower. This manual contains important information regarding the safe operation, assembly, maintenance, and troubleshooting of your new tools. Please read it thoroughly before use and keep it for future reference.
2. Safety Information
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury when operating power tools. Familiarize yourself with all safety warnings and instructions.
- Read the Manual: Understand all instructions and safety warnings before operating the tools.
- Wear Eye Protection: Always wear safety glasses or goggles that comply with applicable standards.
- Wear Hearing Protection: Use ear protection during operation to prevent hearing damage.
- Wear Appropriate Clothing: Do not wear loose clothing or jewelry. Wear heavy, long pants, long sleeves, boots, and gloves.
- Keep Area Clear: Ensure bystanders, children, and pets are at a safe distance (at least 50 feet/15 meters) from the operating area.
- Inspect Before Use: Check for damaged parts, loose fasteners, or any other condition that may affect safe operation.
- Use Correct Battery and Charger: Only use the HART 20V Lithium-Ion battery and charger specified for this product.
- Avoid Wet Conditions: Do not operate power tools in rain or damp locations.
- Maintain Good Footing: Always be sure of your footing and balance. Do not overreach.
3. Package Contents
Carefully unpack all items and ensure you have received everything listed below. If any items are missing or damaged, please contact customer support.
- HART 20V 13 Inch Cordless String Trimmer
- HART 20V Cordless Blower
- HART 20V 4.0Ah Lithium-Ion Battery
- HART Fast Charger
- Operator's Manual (this document)

Image: Complete HART 20V Trimmer and Blower Combo Kit, including the 13-inch string trimmer, 315 CFM blower, 20V 4.0Ah Lithium-Ion battery, and fast charger.
4. Setup
4.1 Battery Charging
- Connect the charger to a standard 120V AC outlet. The charger indicator light will illuminate.
- Slide the 20V Lithium-Ion battery onto the charger base, ensuring it clicks into place.
- The charger indicator light will change to indicate charging status. Refer to the charger's specific instructions for light patterns.
- Once fully charged, remove the battery from the charger. Unplug the charger from the outlet when not in use.
4.2 Trimmer Assembly
The trimmer features tool-free assembly for quick setup.
- Attach the Guard: Align the trimmer guard with the mounting points on the trimmer head and secure it firmly.
- Assemble the Shaft: Connect the two sections of the trimmer shaft. Ensure the locking mechanism engages securely.
- Attach the Auxiliary Handle: Position the auxiliary handle to a comfortable operating position and tighten it securely.
- Install Battery: Slide a charged 20V battery into the battery port on the trimmer until it clicks into place.

Image: Diagram illustrating the components of the HART 20V 13-inch string trimmer, including the auto-feed head, adjustable cutting swath, and rotating shaft for edging.
4.3 Blower Assembly
The blower typically requires minimal assembly.
- Attach the Nozzle: If detachable, align the blower nozzle with the outlet and twist or push until it locks into place.
- Install Battery: Slide a charged 20V battery into the battery port on the blower until it clicks into place.

Image: Diagram illustrating the components of the HART 20V blower, highlighting the variable speed trigger, turbo fan, and its suitability for hard surfaces with 315 CFM / 100 MPH output.
5. Operating Instructions
5.1 Cordless String Trimmer
The HART 20V 13-inch cordless trimmer is designed for light-duty trimming and edging applications.
- Starting the Trimmer: Ensure the battery is fully charged and properly installed. Press and hold the safety lock-out button, then squeeze the trigger switch to start the trimmer.
- Stopping the Trimmer: Release the trigger switch.
- Trimming Technique: Hold the trimmer firmly with both hands. Use a sweeping motion, keeping the cutting head slightly above the ground.
- Adjustable Cutting Swath: The trimmer offers an adjustable 11-inch to 13-inch cutting swath. Refer to the trimmer's specific instructions for adjusting this setting.
- Auto-Feed Head: This trimmer features an auto-feed head, which automatically extends the cutting line as needed, eliminating the need for manual bumping.
- Edging Applications: The shaft rotates for edging. To switch to edging mode, rotate the shaft as per the instructions provided with the tool.

Image: A user operating the HART 20V 13-inch cordless trimmer, demonstrating its use for edging with its rotating shaft feature.

Image: Close-up view of the HART 20V trimmer head, highlighting its versatile cutting capability with an adjustable 11-inch to 13-inch cutting swath.

Image: Close-up of the HART 20V trimmer's auto-feed head, which automatically extends the cutting line, eliminating the need to manually bump the head.
5.2 Cordless Blower
The HART 20V cordless blower is ideal for clearing leaves and debris from hard surfaces.
- Starting the Blower: Ensure the battery is fully charged and properly installed. Squeeze the trigger switch to start the blower.
- Stopping the Blower: Release the trigger switch.
- Variable Speed Trigger: The blower features a variable speed trigger, allowing you to control the airflow for different tasks. Press the trigger lightly for lower speed and harder for maximum power.
- Operating Technique: Hold the blower firmly. Use a sweeping motion to move debris. For stubborn debris, use the higher speed setting.

Image: A user operating the HART 20V blower, showcasing its turbo fan design for stronger debris removal from a paved area.

Image: A user demonstrating quick and easy patio cleanup using the HART 20V blower, which provides up to 100 MPH air speed.
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your tools.
- Cleaning: After each use, clean the tools with a damp cloth. Remove any grass, dirt, or debris from the air vents and cutting head. Do not use solvents or harsh chemicals.
- Trimmer Line Replacement: When the trimmer line runs out, replace it with the recommended diameter line. Refer to your trimmer's specific instructions for the correct line type and replacement procedure.
- Battery Care: Store batteries in a cool, dry place away from direct sunlight. Do not store batteries in a discharged state for extended periods.
- Storage: Store the tools and charger in a dry, secure location out of reach of children.
7. Troubleshooting
If you encounter issues with your HART 20V Trimmer & Blower Combo Kit, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged or improperly installed. Safety lock-out not engaged. | Ensure battery is fully charged and securely installed. Press safety lock-out button before squeezing trigger. |
| Trimmer line not extending | Line is tangled or too short. Debris in head. | Remove battery, clear debris from head. Replace trimmer line if necessary. |
| Blower has low power | Battery low. Air intake/outlet blocked. | Charge battery. Clear any obstructions from air vents. |
| Battery not charging | Charger not plugged in. Faulty battery or charger. | Ensure charger is securely plugged into a working outlet. Try a different outlet. If problem persists, contact customer support. |
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | HT20V13TB |
| Power Source | Battery Powered (20V Lithium-Ion) |
| Trimmer Cutting Swath | 11 - 13 inches (Adjustable) |
| Blower Air Speed | Up to 100 MPH |
| Blower Air Volume | 315 CFM |
| Item Weight | 17.4 Pounds (Total Kit) |
| Manufacturer | HART Tools |
9. Warranty and Support
For warranty information, please refer to the documentation included with your product at the time of purchase or visit the official HART Tools website. If you require technical assistance or have questions not covered in this manual, please contact HART Tools customer support.