WORX WG931
WORX WG931 20V Cordless String Trimmer, Turbine Blower, and Hedge Trimmer Combo Instruction Manual
Model: WG931 | Brand: WORX
1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your WORX WG931 20V Cordless String Trimmer, Turbine Blower, and Hedge Trimmer Combo. Please read this manual thoroughly before using the tools and retain it for future reference.

Figure 1: WORX WG931 20V Cordless Combo Kit
2. Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Keep bystanders, especially children, away from the operating area. Wear appropriate personal protective equipment (PPE) including eye protection, gloves, and sturdy footwear. Do not operate tools in wet conditions or in the presence of flammable liquids or gases. Ensure batteries are fully charged before use and stored in a dry, safe place.
3. Package Contents
The WORX WG931 combo kit includes the following items:
- 1 x 12" 2-in-1 String Trimmer/Edger
- 1 x Turbine Blower
- 1 x 22" Hedge Trimmer
- 2 x 20V Lithium Ion Batteries
- 1 x Battery Charger
- String Trimmer Spools

Figure 2: Included Components
4. Setup
4.1 Battery Charging
- Insert the 20V Lithium Ion battery into the charger.
- Plug the charger into a standard electrical outlet.
- Allow the battery to charge completely. The indicator light on the charger will change to confirm full charge.
- Once charged, remove the battery from the charger.
4.2 String Trimmer Assembly
- Attach the front D-handle to the trimmer shaft and secure it in a comfortable position.
- Ensure the telescopic shaft is adjusted to your desired height and locked securely.
- Install the safety guard onto the trimmer head.
4.3 Hedge Trimmer Assembly
The hedge trimmer comes pre-assembled. Ensure the blade cover is removed before operation and re-installed for storage.
4.4 Turbine Blower Assembly
The turbine blower comes pre-assembled. Ensure the nozzle is securely attached before operation.
5. Operating Instructions

Figure 3: Using the WORX 20V Combo for Garden Maintenance
5.1 String Trimmer/Edger Operation
- Insert a charged 20V battery into the trimmer.
- To operate as a trimmer, hold the tool with both hands, press the safety button, and then squeeze the trigger.
- The 90° pivoting cutting head allows access to sloped and hard-to-reach areas.
- To convert to an edger, adjust the head position and utilize the integrated wheels for precise edging along hard surfaces.
- Use the Command Feed button to instantly extend more line as needed.

Figure 4: String Trimmer Pivoting Head for Versatile Use

Figure 5: Command Feed for On-Demand Line Extension
5.2 Hedge Trimmer Operation
- Insert a charged 20V battery into the hedge trimmer.
- Hold the hedge trimmer firmly with both hands, using the soft, over-mold grip and the front D-handle for control.
- Press the safety switch and squeeze the trigger to activate the dual-action 22-inch blades.
- Trim hedges with a smooth, sweeping motion. The dual-action blades ensure efficient cutting.

Figure 6: 22-inch Dual-Action Hedge Trimmer Blade
5.3 Turbine Blower Operation
- Insert a charged 20V battery into the turbine blower.
- Hold the blower comfortably with one hand.
- Select your desired speed setting: Low for delicate areas or High for maximum air volume (up to 75 MPH, 360 CFM).
- Direct the airflow to clear debris from lawns, decks, and driveways.

Figure 7: Turbine Blower with 360 CFM Air Volume
5.4 WORX Power Share System
All tools in this combo kit are part of the WORX Power Share platform. This means the included 20V batteries are interchangeable with other WORX 20V and 40V tools, outdoor power equipment, and lifestyle products, offering expanded versatility and reducing the need for multiple battery systems.
6. Maintenance
6.1 String Trimmer Line Replacement
When the trimmer line is depleted, replace the spool with a new WORX-compatible spool. Refer to the trimmer's specific instructions for detailed replacement steps.
6.2 Hedge Trimmer Blade Care
Regularly clean the hedge trimmer blades after each use to remove sap and debris. Apply a light coat of machine oil to the blades to prevent rust and ensure smooth operation. Inspect blades for damage and sharpen or replace as necessary.
6.3 Blower Cleaning
Keep the blower's air intake vents clear of debris to prevent overheating. Wipe down the exterior with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
6.4 Battery Care
Store batteries in a cool, dry place away from direct sunlight and extreme temperatures. Do not store batteries in a discharged state for extended periods. Always use the manufacturer-recommended charger.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged or improperly inserted; Safety switch not engaged | Charge battery fully and insert correctly; Engage safety switch before pressing trigger |
| String trimmer line not extending | Spool empty or jammed; Command Feed button not pressed | Replace spool; Clear any line jams; Press Command Feed button while operating |
| Hedge trimmer blades dull or jammed | Blades require sharpening or cleaning; Debris caught in blades | Clean and sharpen blades; Remove debris (ensure tool is off and battery removed) |
| Blower has reduced airflow | Air intake or nozzle obstructed | Clear obstructions from air intake and nozzle (ensure tool is off and battery removed) |
8. Specifications
- Brand: WORX
- Model Number: WG931
- Power Source: Battery Powered (20V Lithium Ion)
- String Trimmer Cutting Width: 12 inches
- Hedge Trimmer Blade Length: 22 inches
- Turbine Blower Air Volume: Up to 360 CFM
- Turbine Blower Air Speed: Up to 75 MPH
- Number of Batteries Included: 2
- Total Item Weight (Combo): Approximately 17.7 lbs
- Color: Black and Orange
9. Warranty and Support
WORX offers a limited warranty for its products:
- Tools: 3 Years Limited Warranty
- Batteries: 2 Years Limited Warranty
For warranty claims, technical support, or to purchase replacement parts, please visit the official WORX website or contact their customer service department. Keep your proof of purchase for warranty validation.
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