Hart 20V Weed Eater Manual: A Comprehensive Guide
This manual provides detailed instructions for the Hart 20V Hybrid String Trimmer (models HGHST01 & HLST01)‚ ensuring safe operation and optimal performance.
Welcome to the world of cordless convenience! The Hart 20V String Trimmer offers a powerful and efficient solution for maintaining your lawn and garden. This user-friendly tool‚ available in models like HGHST01 and HLST01‚ combines performance with the freedom of battery power.
This manual will guide you through assembly‚ operation‚ maintenance‚ and troubleshooting‚ ensuring a long-lasting and satisfying experience with your new Hart trimmer.
Safety Precautions

Prioritize safety when operating your Hart 20V String Trimmer. Always read and understand all warnings and instructions in this manual before use. Wear appropriate safety gear‚ including eye protection and sturdy footwear. Keep bystanders‚ especially children‚ at a safe distance during operation.
Never operate the trimmer with damaged parts‚ and disconnect the battery before making any adjustments or repairs.
General Safety Warnings
Exercise caution; misuse can cause injury. Keep work areas clear of obstructions and maintain a firm grip. Avoid operating in wet conditions or near flammable materials. Never point the trimmer at people or animals. Regularly inspect the trimmer for damage‚ and do not use if any parts are missing or broken.
Always disconnect the battery pack before servicing.

Specific Safety Instructions for String Trimmers
Prior to use‚ carefully read all instructions and warnings within this manual. Wear appropriate safety gear‚ including eye protection and sturdy footwear. Be mindful of hidden objects that could be thrown by the string. Never alter the trimmer’s safety features. Keep bystanders at a safe distance during operation‚ and avoid overreaching.
Understanding Your Hart 20V Weed Eater ⎻ Model Identification
This guide covers two primary Hart 20V models: the HGHST01 and HLST01. The HGHST01 is a Hybrid String Trimmer‚ offering versatile functionality. The HLST01 is a standard string trimmer designed for efficient yard work. Identifying your specific model is crucial for accessing the correct parts and following tailored maintenance procedures‚ as outlined in this manual.
HGHST01 Model Overview
The HGHST01 is Hart’s 20V Hybrid String Trimmer‚ uniquely designed for both trimming and edging capabilities. This model boasts a rotating head‚ allowing seamless transitions between tasks. Its lightweight construction and ergonomic handle enhance user comfort during extended use. Refer to the parts diagram for component locations and familiarize yourself with its features before operation.
HLST01 Model Overview
The HLST01 represents Hart’s standard 20V String Trimmer‚ offering reliable performance for typical yard maintenance. This model focuses on efficient trimming‚ featuring a fixed head design for straightforward operation. It’s designed for ease of use and maneuverability‚ making it suitable for various trimming tasks around the home. Consult the manual for detailed specifications.
Parts Diagram & Component Identification
Understanding the components of your Hart 20V Weed Eater is crucial for assembly‚ maintenance‚ and repairs. This section details a comprehensive parts diagram‚ identifying key elements like the trimmer head‚ shaft‚ handle‚ motor housing‚ and safety guard. Refer to the diagram within your owner’s manual for accurate visual representation and part numbers.
Trimmer Head Assembly
The trimmer head houses the cutting string and features an automatic feed mechanism. Carefully examine the spool‚ line guides‚ and bump feed knob. Ensure proper string installation and rotation direction as indicated in the manual. Regularly inspect for wear and debris‚ cleaning as needed to maintain optimal cutting performance and string advancement.
Shaft and Handle Components

The shaft securely connects the trimmer head to the motor and handle. The handle provides ergonomic control during operation‚ often featuring adjustable grips. Inspect the shaft for any cracks or damage before each use. Ensure all connections are tight and secure to prevent separation during trimming‚ prioritizing user safety and control.
Assembly Instructions
Before operation‚ proper assembly is crucial for safe and effective trimming. Carefully follow the step-by-step instructions provided in this manual. Ensure all components are securely attached‚ including the trimmer head and shaft. Double-check connections before inserting the battery. Incorrect assembly can lead to malfunction or injury‚ so proceed with caution.
Attaching the Trimmer Head

To attach the trimmer head‚ align it with the shaft receiver and firmly push until it clicks into place. Ensure a secure connection by verifying it doesn’t wobble. Rotate the head to the desired trimming position. Refer to the parts diagram for correct orientation. A properly attached head is vital for safe and efficient operation.
Connecting the Shaft and Handle
Carefully insert the shaft into the handle assembly‚ aligning the connection points. Tighten the locking collar securely‚ ensuring a firm and stable connection. Do not overtighten‚ as this could damage the components. Verify the shaft is locked before use. A properly connected shaft and handle provide optimal control and user comfort during operation.
Operating Instructions
Before starting‚ ensure the trimmer head is correctly attached and the battery is fully charged. To initiate operation‚ depress and hold the trigger switch; Release the trigger to immediately stop the trimmer. Always maintain a firm grip on the handle during use. Observe all safety precautions detailed within this manual for safe and effective trimming.
Starting the Weed Eater
To begin‚ firmly insert the charged 20V battery into the tool. Ensure it clicks securely into place. Next‚ depress and hold the trigger switch located on the handle. The motor will engage‚ and the trimmer head will begin to spin. Release the trigger to instantly halt operation; always practice caution.
Trimming Techniques
For optimal results‚ utilize a sweeping motion‚ maintaining a slight angle with the trimmer head towards the vegetation. Avoid forcing the line; let the rotating string do the work. Trim in overlapping arcs for a clean‚ even cut. Be mindful of obstacles and adjust speed as needed for varying plant densities.
String Replacement
Maintaining sufficient string length is crucial for effective trimming. The Hart 20V weed eater features an automatic feed head‚ simplifying string advancement during operation. If manual feeding is required‚ consult the manual for specific instructions. Regularly inspect the string for wear and replace as needed to ensure optimal cutting performance.
Automatic Feed Head Operation
The automatic feed head advances the string with a simple tap while the trimmer is running. This “bump feed” system releases more line as needed. Ensure the trimmer is pointed towards the ground during bumping. If the string doesn’t advance‚ check for obstructions and ensure the spool is correctly installed‚ following the manual’s guidance.
Manual String Feed (If Applicable)
Some Hart models may feature a manual string feed option. This typically involves pressing a release button and pulling the string to extend it. Refer to your specific model’s diagram within the owner’s manual for precise instructions. Avoid overfeeding‚ as this can cause tangling or jamming within the trimmer head assembly.
Battery and Charger Information
The Hart 20V system utilizes lithium-ion batteries for power. Ensure compatibility with your charger; using incorrect chargers can damage the battery. Always check the battery specifications detailed in the manual. Charge batteries in a cool‚ dry place‚ and avoid extreme temperatures. Proper battery storage extends its lifespan and performance.
20V Battery Specifications
Hart 20V batteries are lithium-ion‚ providing consistent power and reduced self-discharge. Voltage is 20V‚ with varying amp-hour (Ah) ratings impacting runtime – higher Ah means longer use. These batteries are designed for compatibility across the entire Hart 20V tool line. Refer to the battery label for specific capacity details.
Charging Instructions and Safety
To charge‚ align the battery with the charger and insert firmly. The charger’s LED indicates charging status – typically red while charging‚ and green when complete. Only use the Hart-specified charger. Do not expose the charger or battery to water. Charge in a well-ventilated area‚ and avoid extreme temperatures.
Maintenance and Care
Regular maintenance extends your Hart 20V Weed Eater’s life. After each use‚ clean debris from the trimmer head and shaft. Inspect the string for wear and replace as needed. Periodically lubricate moving parts for smooth operation. Store the trimmer and battery in a dry location‚ away from extreme temperatures‚ to prevent damage.
Cleaning the Trimmer
After each use‚ disconnect the battery before cleaning your Hart 20V Weed Eater. Remove grass clippings and debris from the trimmer head‚ shaft‚ and handle using a dry cloth. Avoid using water directly on the motor or electrical components. Inspect the air vents for blockages and clear them to ensure proper cooling.
Lubrication Guidelines
Regular lubrication extends the life of your Hart 20V Weed Eater. Apply a light coat of lithium grease to the trimmer head shaft after each cleaning‚ ensuring smooth rotation. Inspect the shaft connection points and apply grease as needed. Avoid over-lubrication‚ as excess grease attracts dirt and debris‚ hindering performance.
Troubleshooting Common Issues
If the trimmer fails to start‚ check the battery connection and ensure it’s fully charged. For string advancement problems‚ verify the trimmer head is properly assembled and the auto-feed mechanism isn’t blocked. Inspect for debris obstructing the line outlet. If issues persist‚ consult the full owner’s manual for detailed solutions.
Trimmer Not Starting
If your Hart 20V weed eater won’t start‚ first confirm the battery is fully charged and securely connected. Check for any obstructions in the trimmer head. Ensure the safety lock-out button is fully engaged before triggering the start switch. A faulty battery or damaged wiring could also be the cause; consult the manual.
String Not Advancing
When the string fails to advance on your Hart 20V trimmer‚ check for tangled string within the trimmer head – remove and rewind carefully. Verify the automatic feed mechanism isn’t blocked by debris. For manual feed models‚ ensure you’re bumping the head correctly while the trimmer is running. A worn-out spool may also cause issues.

Storage Instructions
Proper storage extends the life of your Hart 20V Weed Eater. Store the battery in a cool‚ dry place‚ away from direct sunlight and extreme temperatures. For long-term storage‚ partially charge the battery; Clean the trimmer thoroughly before storing‚ removing all debris. Keep the manual accessible for future reference and maintenance.
Proper Battery Storage

To maximize battery life‚ store your 20V battery in a cool‚ dry environment‚ ideally between 59°F and 77°F (15°C and 25°C). Avoid storing a fully discharged battery for extended periods. For long-term inactivity‚ store the battery with approximately 30-50% charge. Keep it away from metal objects to prevent short circuits.
Long-Term Trimmer Storage
Before storing your Hart 20V Weed Eater for an extended period‚ thoroughly clean it‚ removing any grass or debris; Disconnect the battery and store it separately‚ following proper battery storage guidelines. Store the trimmer in a dry‚ covered area‚ protected from freezing temperatures and direct sunlight to prevent damage.
Warranty Information
Hart tools are backed by a warranty covering defects in materials and workmanship. Warranty coverage duration varies by product; consult your purchase documentation for specifics. To initiate a claim‚ retain your proof of purchase and contact Hart customer service. The warranty does not cover misuse‚ abuse‚ or normal wear and tear.
Hart Warranty Coverage
Hart provides a warranty against defects in materials and workmanship for a specified period from the date of purchase. This coverage includes repair or replacement of defective parts‚ at Hart’s discretion. The warranty excludes damage resulting from improper use‚ accidents‚ alterations‚ or lack of maintenance. See full details in the owner’s manual.
How to Claim Warranty Service
To initiate a warranty claim‚ contact Hart Customer Service with your proof of purchase and a description of the defect. You may be required to return the product for inspection. Hart will then determine if the issue is covered under warranty and arrange for repair or replacement.
Frequently Asked Questions (FAQ)
Q: Where can I find replacement string? A: Replacement string is available at most retailers that sell Hart products‚ or online through the Hart website. Q: How do I ensure proper battery life? A: Store batteries in a cool‚ dry place and avoid overcharging.
Where to Find Additional Support
For Hart customer service‚ please visit the official Hart website or contact them directly for assistance with your 20V Weed Eater. Numerous online resources‚ including downloadable manuals (like the HGHST01 operator’s manual)‚ are readily available. These resources offer troubleshooting tips and detailed product information.
Hart Customer Service Contact Information
To reach Hart customer support regarding your 20V Weed Eater‚ consult the official Hart website for the most current contact details. While specific phone numbers aren’t provided in available resources‚ the website offers support options and links to frequently asked questions. Online chat support may also be available.
Online Resources and Manual Downloads
Access the Hart 20V Weed Eater manual and additional resources directly from the official Hart website. You can find operator’s manuals for models like HGHST01 and HLST01 in PDF format‚ offering detailed diagrams and troubleshooting guidance. These online resources provide convenient access to support materials for your trimmer.

Understanding the Owner’s Manual

Before operating your Hart 20V Weed Eater‚ carefully read and understand all warnings‚ cautions‚ and instructions within this owner’s manual. Pay close attention to decoding warning labels and interpreting symbols. This ensures safe operation and helps you maximize the trimmer’s performance‚ preventing potential hazards and maintaining warranty validity.
Decoding Warning Labels
Hart 20V Weed Eater warning labels are crucial for safe operation. Understand symbols indicating potential hazards like thrown objects or electrical shock. Heed cautions about proper protective gear – eye and face protection are essential. Ignoring these labels increases risk of injury; always prioritize safety and follow all outlined precautions diligently.
Interpreting Symbols and Icons
Hart 20V Weed Eater manuals utilize specific symbols for clarity. A crossed-out icon signifies prohibited actions‚ while an exclamation point denotes important cautions. Battery symbols indicate charging or disposal instructions. Recognizing these icons ensures correct usage and maintenance‚ preventing damage to the trimmer and promoting user safety. Refer to the manual’s key for full definitions.