1. Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Conentool 21V Cordless Brushless Impact Wrench, Model CW-313. Please read these instructions carefully before using the tool to ensure proper function and to prevent injury.
2. Safety Instructions
Always follow basic safety precautions when using electric tools to reduce the risk of fire, electric shock, and personal injury.
- Work Area Safety: Keep your 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.
- Electrical Safety: Avoid body contact with earthed or grounded surfaces. Do not expose power tools to rain or wet conditions.
- Personal Safety: Always wear eye protection. Use hearing protection when operating for extended periods. Dress properly; avoid loose clothing or jewelry. Secure long hair.
- Tool Use and Care: Do not force the power tool. Use the correct power tool for your application. Disconnect the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.
- Battery Pack Use and Care: Recharge only with the charger specified by the manufacturer. Do not use battery packs with any other power tools.
3. Product Overview
The Conentool CW-313 is a powerful 21V cordless brushless impact wrench designed for efficient tightening and loosening of fasteners. It features a robust brushless motor and a high-capacity battery for extended use.
3.1 Key Components
3.2 Brushless Motor Technology
This impact wrench is equipped with an upgraded pure copper brushless motor, offering enhanced performance and durability compared to brushed motors.
3.3 4.0Ah Large Capacity Battery
The tool is designed to be powered by a 4.0Ah large capacity lithium-ion battery, providing extended working hours and consistent power output.
4. Setup
4.1 Battery Installation and Removal
- To Install: Align the battery pack with the base of the tool handle. Slide the battery pack into the handle until it clicks securely into place. Ensure it is fully seated.
- To Remove: Press the battery pack release button (refer to Product Overview image PT05) located at the front of the battery. While holding the button, slide the battery pack out of the tool handle.
Note: The battery may be sold separately or included in specific kits. Ensure the battery is fully charged before first use.
4.2 Socket/Bit Installation
The impact wrench features a 1/2-inch chuck for attaching sockets or hex screwdriver bits.
- To Install: Push the desired 1/2-inch impact socket or hex screwdriver bit onto the square drive anvil until it locks into place. Pull on the accessory to ensure it is securely attached.
- To Remove: Pull the accessory firmly off the square drive anvil.
5. Operating Instructions
5.1 Powering On/Off and Variable Speed
The tool is activated by pressing the variable speed switch. The speed of the tool is controlled by the amount of pressure applied to the switch. Pressing lightly results in lower speed, while pressing fully results in maximum speed (up to 3300 RPM).
5.2 Forward and Reverse Operation
The direction of rotation is controlled by the forward and reverse switch, located above the trigger.
- Forward (Tighten): Push the switch to the right.
- Reverse (Loosen): Push the switch to the left.
- Locked: Position the switch in the center to prevent accidental starting. Always engage the lock when not in use or when changing accessories.
5.3 Using the LED Light
The built-in LED light automatically illuminates the work area when the trigger is pressed, enhancing visibility in dark or confined spaces.
5.4 Torque Application
The Conentool CW-313 delivers a maximum torque of 680 N.m (approximately 501.54 ft-lbs), suitable for various applications from tightening screws to tire disassembly and industrial use.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your impact wrench.
- Cleaning: Keep the tool's ventilation openings clean and free of debris to prevent overheating. Use a soft, damp cloth to clean the exterior. Do not use harsh chemicals or abrasive cleaners.
- Battery Care: Store batteries in a cool, dry place away from direct sunlight. Do not store batteries in a discharged state for extended periods. Recharge batteries regularly, even if not in use, to maintain their health.
- Inspection: Periodically inspect the chuck for wear or damage. Ensure all screws are tight. If any parts are damaged, have them replaced by a qualified service technician.
7. Troubleshooting
If you encounter issues with your impact wrench, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged or improperly installed; Forward/Reverse switch in locked position. | Charge battery fully and ensure it is securely installed. Move the Forward/Reverse switch out of the center (locked) position. |
| Reduced power or speed | Low battery charge; Overheating; Worn carbon brushes (not applicable for brushless motor, but common for brushed tools). | Recharge the battery. Allow the tool to cool down if it has been used continuously. |
| Excessive vibration or noise | Loose accessory; Damaged internal components. | Ensure the socket/bit is properly seated. If the problem persists, discontinue use and contact customer support. |
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | CW-313 |
| Manufacturer | CONENTOOL |
| Power Source | Battery Powered |
| Voltage | 21 Volts |
| No-Load Speed | Up to 3300 RPM |
| Max Torque | 680 N.m (approx. 501.54 ft-lbs) |
| Chuck Size | 1/2 inch |
| Motor Type | Brushless |
| Battery Capacity (recommended) | 4.0 Ah Lithium-ion (sold separately or included in specific kits) |
| Package Dimensions | 37.5 x 28.4 x 11.4 cm |
| Weight | 3.53 kg (including packaging) |
8.1 Included Accessories
The following accessories are typically included with the Conentool CW-313 impact wrench kit:
- 1 x Electric Wrench (Impact Wrench)
- 6 x Socket Wrenches (Impact Sockets)
- 1 x Screwdriver (Hex Bit Adapter)
- 2 x Circular Circle (Retaining Rings for sockets)
- 2 x Pin (for socket retention)
- 1 x Conversion head (for screwdriver bits)
- 1 x Charger
- 1 x Battery (4.0Ah, if included in kit)
- 1 x Carry Case
9. Warranty and Support
For warranty information, technical support, or to order replacement parts, please refer to the contact information provided at the point of purchase or visit the official Conentool website. Please have your model number (CW-313) and purchase date available when contacting support.
