This document describes the WORX NITRO 20V 13" Cordless Grass Trimmer (WG173 WG173.X), a versatile battery-operated gardening tool designed for trimming and edging tasks.
Function Description
The WORX NITRO Cordless Grass Trimmer is primarily used for cutting grass and maintaining lawn edges. It features a 20V power system, making it cordless and portable for outdoor use. The tool is equipped with a 13-inch cutting diameter, suitable for various lawn sizes. Its design allows for easy conversion between trimming and edging modes, enhancing its utility for comprehensive lawn care. The "COMMAND FEED™" system provides on-demand line feeding, simplifying operation and improving efficiency.
Important Technical Specifications
- Model: WG173 WG173.X
- Voltage: 20V Max. (Nominal 18V)
- No Load Speed: 6500/min
- Line Cutting Diameter: 13 inches (33 cm)
- Cutting Line Length: 2x16ft (5m)
- Line Diameter: 0.065 inches (2.03 mm)
- Spool Type: WA0054
- Spool Cap Type: WA0216
- Wheel Set Type: WA0042
- Machine Weight (bare tool): 5.18 lbs (2.35kg)
- Recommended Battery: WA3012 (4.0 Ah, 20V Battery)
- Recommended Charger: WA3881 (2.0 A, 20V Charger)
- Ambient Temperature Range (Tool & Battery Use/Storage): 0°C-45°C
- Ambient Temperature Range (Charging System): 0°C-40°C
Usage Features
The trimmer offers several features designed for ease of use and versatility:
Assembly and Setup
- Safety Guard Assembly: The safety guard needs to be assembled before use (Fig. A1, A2).
- Edger/Trimming Support Wheels: These wheels can be attached in three optional positions to assist with trimming and edging. Fig. B1 shows the setup for edging, while Fig. B2 and B3 illustrate configurations for trimming. The machine can also be used without guide wheels on the guard when trimming.
- Battery Installation: The 20V battery pack must be fully charged before its first use. It is installed and removed as shown in Fig. C.
- Battery Condition Check: The battery condition can be checked (Fig. D1).
- Shaft Adjustment: The telescopic shaft can be adjusted for user comfort and task requirements (Fig. F).
- Auxiliary Handle Adjustment: The auxiliary handle can be adjusted to an optimal position (Fig. G).
Operation Modes
- Trimming/Mowing:
- Adjusting the Trimmer Head: The trimmer head can be adjusted and must be locked (Fig. I4).
- For trimming/mowing, the support wheels can be mounted (Fig. J1, J2, B2, B3).
- The flower guard can be used (Fig. H).
- Edging:
- Main Handle Rotation: To switch to edging mode, secure the lower housing and guard, pull up on the telescopic shaft, and turn clockwise 90 degrees. Release the shaft to lock into edging mode (Fig. K1, K2).
- The tool can be used for edging (Fig. K6).
- Changing the tool into edging mode involves specific adjustments (Fig. K3, K4, K5).
Line Feeding System
The trimmer incorporates advanced line feeding mechanisms:
- Automatic Line Feed System: When the trimmer is initially switched on, a small length of line (approx. 0.25 inches) is fed out. Each time the tool is restarted from rest, additional line is advanced. A 'clattering' noise indicates the lines hitting the Line Cutter, which is normal. If the noise isn't heard, more line needs to be fed by stopping and restarting the tool until full speed is reached and the line hits the cutter.
- COMMAND FEED™ (See Fig. L): This system allows for on-demand line feeding. While the machine is running, pressing the command feed button will momentarily shut off the motor and then restart it upon release, automatically feeding additional line. This continues until the 'clattering' noise of the line cutting is heard.
- Manually Feeding the Line (See Fig. M): If needed, the line can be manually fed by turning off the trimmer, removing the battery, and pressing/releasing the manual Line Feed Button while gently pulling out the line. If too much line is fed out, the Spool Cap can be removed, and the Spool turned counter-clockwise to adjust the length.
- Manually Winding the Line (See Fig. O1, O2, O3, O4): Approximately 10ft (3m) of line should be inserted 5/8 inch (15mm) into the Spool holes and wound in the direction of the arrows on the Spool top. About 4 inches (100mm) of line should be left unwound and placed into the cleat. Proper coiling ensures efficient automatic line feed.
Safety Features
- Lock Off Button (13): Prevents unintentional starting.
- Safety Guard (8): Protects the user from debris and the cutting line.
- Battery Safety: Specific warnings regarding battery handling, charging, and storage are provided to prevent fire, burns, and injury. This includes not exposing batteries to heat, not short-circuiting them, avoiding mechanical shock, and using only specified chargers and battery packs.
- Personal Protective Equipment (PPE): Users are advised to wear safety glasses, ear protection, and appropriate footwear, and to avoid loose clothing or jewelry.
Maintenance Features
- Post-Use Care: After each use, the battery should be disconnected, and the tool inspected for damage.
- Cleaning: The power tool requires no additional lubrication or maintenance. It should be wiped clean with a dry cloth. Water or chemical cleaners should not be used.
- Storage: Store the tool in a dry place, out of reach of children. Ensure motor ventilation slots are clean and all working controls are free of dust.
- Battery Maintenance: Keep battery pack terminals clean and dry. Charge the battery before use and avoid prolonged charging when not in use. After extended storage, it may be necessary to charge and discharge the battery pack several times for optimal performance.
- Spool Replacement: Instructions are provided for replacing the trimmer spool (Fig. N1, N2, N3).
- Troubleshooting Guide: A comprehensive table lists common problems, possible causes, and corrective actions, including when to contact WORX Customer Service.
- Battery Recycling: POSITEC Inc. partners with RBRC Corporation for recycling Positec batteries. Users are encouraged to call 1-800-822-8837 for proper disposal, rather than discarding batteries in the trash.
This WORX NITRO Cordless Grass Trimmer is designed for efficient and safe lawn care, offering flexibility with its dual trimming and edging capabilities and user-friendly line feeding system.
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