1. Introduction
This manual provides detailed instructions for the safe and efficient use of your HiKOKI 14.4V Cordless Impact Driver, model FWH14DF. Please read this manual thoroughly before operation and keep it for future reference. This tool is designed for fastening and loosening screws and bolts in various materials.
Key Features:
- New Design Housing: Allows for attachment of optional color plates for customization.
- Upgraded Battery Capacity: Includes two 2.0Ah lithium-ion batteries (BSL1420) for extended operation.
- Powerful Fastening: Delivers high torque of 140 N·m for efficient screw driving.
- Lightweight Design: Weighs approximately 1.3 kg for reduced user fatigue.
- Slim Handle: Ergonomically designed for a comfortable and secure grip.
- White LED Light: Illuminates the work area, linked to the switch for convenience.
- Hook Attachment: Compatible with optional hook accessories for easy portability.
2. Product Components
The HiKOKI 14.4V Cordless Impact Driver FWH14DF package includes the following items:
- Cordless Impact Driver Unit
- 2.0Ah Lithium-ion Batteries (BSL1420) x 2
- Rapid Charger (UC18YKSL)
- Carrying Case
- No.2 Phillips Bit x 1
- Battery Covers x 2
Figure 2.1: Complete package contents of the HiKOKI FWH14DF Impact Driver.
Figure 2.2: Included 2.0Ah battery and carrying case.
3. Setup
3.1 Battery Charging
- Connect the rapid charger (UC18YKSL) to a power outlet.
- Slide the battery (BSL1420) onto the charger until it clicks into place.
- The charging indicator light on the charger will show the charging status. Refer to the charger manual for specific light patterns.
- Once charging is complete, remove the battery from the charger.
3.2 Battery Installation
- Align the charged battery with the base of the impact driver.
- Slide the battery into the tool until it locks securely with a click. Ensure it is fully seated to prevent accidental detachment during operation.
3.3 Bit Installation
- Pull the bit holder sleeve forward.
- Insert the desired 6.35mm hex shank bit into the chuck.
- Release the sleeve to lock the bit in place. Gently pull on the bit to ensure it is securely fastened.
4. Operating Instructions
4.1 Powering On/Off and Speed Control
- To turn on the tool, press the trigger switch. The speed increases as you press the trigger further.
- To turn off the tool, release the trigger switch.
4.2 Forward/Reverse Rotation
- The forward/reverse rotation switch is located above the trigger.
- Push the switch to the left for forward rotation (for tightening screws).
- Push the switch to the right for reverse rotation (for loosening screws).
- Ensure the tool is completely stopped before changing the rotation direction.
4.3 Using the LED Light
The integrated white LED light automatically illuminates the work area when the trigger switch is pressed, providing better visibility in dimly lit conditions.
Figure 4.1: LED light in operation.
4.4 Ergonomic Handle and Customization
The FWH14DF features a slim, easy-to-grip handle for comfortable use. The new design also allows for the attachment of separately sold color plates to personalize your tool.
Figure 4.2: Overview of features including handle design and customization options.
5. Maintenance
5.1 Cleaning
Regularly clean the tool's ventilation openings to prevent overheating. Use a soft, dry cloth to wipe down the tool. Do not use water or chemical cleaning agents.
5.2 Storage
Store the tool and batteries in a cool, dry place, away from direct sunlight and moisture. Ensure batteries are partially charged before long-term storage.
5.3 Battery Care
To maximize battery life, avoid fully discharging the batteries. Recharge them before they are completely depleted. Do not expose batteries to extreme temperatures.
6. Troubleshooting
If you encounter issues with your HiKOKI Impact Driver, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged or improperly installed. | Charge the battery fully. Ensure the battery is securely clicked into place. |
| Reduced power or slow operation | Battery low on charge. Tool overheating. | Recharge the battery. Allow the tool to cool down if it feels hot. |
| Bit not holding securely | Bit not fully inserted. Chuck mechanism dirty or damaged. | Ensure the bit is fully inserted and the sleeve is released. Clean the chuck area. If damaged, seek professional service. |
7. Specifications
| Specification | Value |
|---|---|
| Brand | HiKOKI |
| Model Number | FWH14DF(2BG) |
| Product Dimensions | 16.6 x 2.8 x 22.7 cm |
| Weight | 1.3 kg |
| Color | Blue |
| Power Source | Battery Powered |
| Voltage | 14.4 Volts |
| Torque | 140 Newton Meters |
| Max Rotational Speed | 2600 RPM |
| Battery Type | Lithium-ion |
| Battery Capacity | 2.0 Ah |
| Hex Shank Size | 6.35 mm |
| Fastening Capacity (Standard Bolt) | M6-M14 |
| Fastening Capacity (High-Strength Bolt) | M6-M12 |
| Fastening Capacity (Small Screw) | 4-8 mm |
8. Warranty Information
HiKOKI products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official HiKOKI website. Keep your proof of purchase for any warranty claims.
9. Support
For further assistance, technical support, or to inquire about repairs, please visit the official HiKOKI website or contact your local authorized service center.
Figure 9.1: Online repair application process.
Official HiKOKI Store: Visit HiKOKI Store on Amazon.co.jp
