1. Introduction
Thank you for choosing the CONENTOOL 1400N.m Brushless Impact Wrench. This 21V electric wrench is engineered for high-performance tasks such as car tire changes and emergency rescue operations. Featuring a powerful brushless motor and a robust design, it provides reliable and efficient operation. This manual provides essential information for safe and effective use, setup, operation, and maintenance of your impact wrench.
2. General Safety Instructions
WARNING: Read all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
- Always wear eye protection and hearing protection when operating the tool.
- Keep the work area clean and well-lit. Cluttered or dark areas invite accidents.
- Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.
- Avoid accidental starting. Ensure the switch is in the off-position before connecting to battery pack, picking up or carrying the tool.
- Use the correct tool for your application. Do not force the tool.
- Disconnect the battery pack from the tool before making any adjustments, changing accessories, or storing power tools.
- Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool.
- Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use.
- Use the power tool, accessories, and tool bits in accordance with these instructions, taking into account the working conditions and the work to be performed.
- Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
- Use only with battery packs specified by the manufacturer.
3. Package Contents
Please check the package carefully to ensure all items are present and undamaged:
- 1 x CONENTOOL Electric Wrench
- 2 x 21V 4000mAh Lithium Batteries
- 1 x Battery Charger
- 1 x Portable Plastic Carry Case
- 6 x Impact Sockets (various sizes)
- 1 x Hexagonal Handle Bit
- 2 x Aprons (retaining rings for sockets)
- 2 x Pins (for securing sockets)
- 1 x Adjustable Adapter
4. Product Features
- High Torque Output: Delivers an impressive 1400N.m of maximum torque, capable of handling stubborn bolts for tire changes and heavy-duty applications.
- Brushless Motor: Equipped with an upgraded pure copper brushless motor for increased efficiency, longer lifespan, reduced noise, and fewer sparks compared to brushed motors.
- Dual 4.0Ah Batteries: Comes with two 21V 4000mAh large-capacity lithium batteries, ensuring extended operation time and reliability for continuous tasks.
- High-Speed Performance: Achieves a no-load speed of up to 4600 RPM and an impact frequency of 3500 bpm for rapid and effective fastening/loosening.
- 2-in-1 Multifunctionality: Easily converts between an impact wrench and a screwdriver with the included accessories, offering versatility for various tasks.
- Lightweight Design: The tool itself weighs approximately 1.68kg, making it easier to handle and use for extended periods.
- Variable Speed Control: Features three-speed settings (Slow, Medium, Fast) for precise control over different applications.
- Automatic Reverse Stop Function: Includes a safety feature that automatically stops rotation in reverse mode when the bolt is loosened, preventing over-loosening or dropping.
5. Specifications
| Feature | Specification |
|---|---|
| Brand | CONENTOOL |
| Model Name | CTIW-W21V-014 |
| Color | Yellow |
| Motor Type | Brushless |
| Voltage | 21V |
| Battery Capacity | 4000mAh |
| Number of Batteries | 2 |
| Power Supply Type | Rechargeable Lithium Battery |
| Maximum Torque | 1400N.m |
| No-load Speed | 0-4600 r/min |
| Impact Frequency | 0-3500 b/min |
| Chuck Size | 1/2" (12.7mm) |
| Torque Gear | Continuously Variable Speed |
| Item Weight (Tool Only) | 1.68kg |
| Package Gross Weight | 4.1kg |
| Package Dimensions | 37.50cm x 28.00cm x 11.00cm |
6. Setup
6.1 Battery Installation and Charging
- Ensure the impact wrench is turned off before installing or removing the battery.
- Align the battery pack with the base of the tool and slide it in until it clicks securely into place.
- To remove, press the battery release button and slide the battery pack out.
- To charge the battery, connect the charger to a power outlet and then connect the battery pack to the charger. The charger indicator light will show the charging status.
6.2 Attaching Sockets and Adapters
- For impact wrench use: Place the retaining ring (apron) and pin onto the 1/2" chuck. Align the socket with the chuck and push it firmly until the pin engages the hole in the socket, securing it in place.
- For screwdriver use: Attach the adjustable adapter to the 1/2" chuck using the retaining ring and pin. Then insert the hexagonal handle bit into the adapter.
7. Operating Instructions
7.1 Powering On/Off and Speed Selection
- Power On: Press the trigger to start the tool. The LED work light will illuminate.
- Speed Modes: The tool features three-speed settings: Slow (0-2000 U/min), Medium (0-2500 U/min), and Fast (0-3000 U/min). Press the 'MODE' button on the base of the tool to cycle through these speeds. The indicator lights will show the selected speed.
- Power Off: Release the trigger to stop the tool.
7.2 Forward and Reverse Rotation
- Direction Selector: Use the forward/reverse selector switch, typically located above the trigger, to choose the desired rotation direction. Push it left for forward rotation (tightening) and right for reverse rotation (loosening).
- Automatic Reverse Stop Function: When in reverse rotation mode, pressing the 'MODE' button will activate the automatic reverse stop function (indicated by a green light). This feature causes the tool to stop automatically once the fastener is loosened, preventing it from falling off. If no light is shown, the tool will continue to rotate in reverse until the trigger is released.
8. Maintenance
8.1 Cleaning
- Always disconnect the battery pack before cleaning.
- Use a soft, damp cloth to clean the exterior of the tool. Do not use harsh chemicals or abrasive cleaners.
- Keep the ventilation openings clear of dust and debris to prevent overheating. Use compressed air if necessary.
- Clean the chuck regularly to ensure smooth operation and proper accessory attachment.
8.2 Battery Care and Storage
- 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. Charge them periodically if not in use.
- Avoid dropping or physically damaging the battery packs.
- If the tool will not be used for a long time, remove the battery pack from the tool.
8.3 General Maintenance
- Regularly inspect the tool for any signs of wear, damage, or loose parts.
- Ensure all screws and fasteners are tight.
- If any part is damaged, have it repaired by a qualified service technician.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not installed correctly Battery discharged Faulty switch | Ensure battery is fully seated Charge the battery Contact customer support |
| Reduced power/torque | Battery low Incorrect speed setting Overheating | Charge the battery Select a higher speed mode Allow tool to cool down |
| Socket not attaching securely | Retaining ring/pin missing or damaged Debris in chuck | Ensure retaining ring and pin are correctly installed Clean the chuck area |
| Tool stops unexpectedly | Overload protection activated Battery critically low | Reduce load on tool Charge the battery |
10. User Tips
No specific user tips from reviews or Q&A were available for this product. However, general tips for impact wrench users include:
- Always start with a lower torque setting and increase as needed to avoid overtightening or damaging fasteners.
- For very tight bolts, apply steady pressure and allow the impact mechanism to work.
- Keep spare charged batteries on hand for uninterrupted work, especially during emergency situations.
- Ensure sockets are clean and free of rust or damage for optimal performance and safety.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided at the point of purchase or visit the official CONENTOOL website. Keep your purchase receipt as proof of purchase for warranty claims.
