1. Introduzione
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.
Funzioni chjave:
- New Design Housing: Allows for attachment of optional color plates for customization.
- Capacità di a batteria aghjurnata: Includes two 2.0Ah lithium-ion batteries (BSL1420) for extended operation.
- Powerful Fastening: Delivers high torque of 140 N·m for efficient screw driving.
- Disegnu ligeru: Weighs approximately 1.3 kg for reduced user fatigue.
- Slim Handle: Cuncepitu ergonomicamente per una presa comoda è sicura.
- Luce LED bianca: Illuminates the work area, linked to the switch for convenience.
- Attaccu ganciu: Compatible with optional hook accessories for easy portability.
2. Cumpunenti di u produttu
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)
- Custodia di trasportu
- 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 Carica di a Batteria
- 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.
- Una volta chì a carica hè cumpleta, cacciate a batteria da u caricatore.
3.2 Installazione di batterie
- 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.
Installazione di 3.3 Bit
- 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 Accensione/Spegnimentu è Cuntrollu di Velocità
- To turn on the tool, press the trigger switch. The speed increases as you press the trigger further.
- Per spegne l'utensile, rilasciate l'interruttore di grilletto.
4.2 Rotazione avanti/indietro
- 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 Utilizà a luce LED
The integrated white LED light automatically illuminates the work area when the trigger switch is pressed, providing better visibility in dimly lit conditions.

Figura 4.1: Luce LED in funzione.
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.

Figura 4.2: Overview of features including handle design and customization options.
5. Mantenimentu
5.1 Pulizia
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 Cura di a batteria
To maximize battery life, avoid fully discharging the batteries. Recharge them before they are completely depleted. Do not expose batteries to extreme temperatures.
6. Risoluzione di prublemi
If you encounter issues with your HiKOKI Impact Driver, refer to the table below for common problems and solutions.
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| U strumentu ùn principia micca | Batteria micca carica o installata in modu incorrectu. | Caricate cumpletamente a batteria. Assicuratevi chì a batteria sia ben inserita in u so postu. |
| Reduced power or slow operation | Battery low on charge. Tool overheating. | Recharge the battery. Allow the tool to cool down if it feels hot. |
| U pezzu ùn si tene micca bè | 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. Specificazioni
| Specificazione | Valore |
|---|---|
| Marca | HiKOKI |
| Numero di mudellu | FWH14DF(2BG) |
| Dimensioni di u produttu | 16.6 x 2.8 x 22.7 cm |
| Pesu | 1.3 kg |
| Culore | Turchinu |
| Fonte d'energia | Alimentatu à batteria |
| Voltage | 14.4 Volts |
| Torque | 140 Newton metri |
| Velocità di rotazione massima | 2600 RPM |
| Tipu di batterie | Lithium-ion |
| Capacità batterie | 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. Garanzia infurmazione
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 websitu. Conservate a vostra prova d'acquistu per qualsiasi reclamazione di garanzia.
9. Supportu
For further assistance, technical support, or to inquire about repairs, please visit the official HiKOKI websitu o cuntattate u vostru centru di serviziu autorizatu lucale.

Figure 9.1: Online repair application process.
Official HiKOKI Store: Visit HiKOKI Store on Amazon.co.jp





