1. Introdução
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.
Principais características:
- New Design Housing: Allows for attachment of optional color plates for customization.
- Capacidade atualizada da bateria: Includes two 2.0Ah lithium-ion batteries (BSL1420) for extended operation.
- Powerful Fastening: Delivers high torque of 140 N·m for efficient screw driving.
- Design leve: Weighs approximately 1.3 kg for reduced user fatigue.
- Slim Handle: Ergonomically designed for a comfortable and secure grip.
- Luz LED branca: Illuminates the work area, linked to the switch for convenience.
- Acessório de gancho: Compatible with optional hook accessories for easy portability.
2. Componentes do produto
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)
- Estojo de transporte
- 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. Configuração
3.1 Carregamento da bateria
- 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.
- Assim que o carregamento estiver completo, remova a bateria do carregador.
3.2 Instalação da bateria
- 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.
Instalação de 3.3 bits
- 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. Instruções de operação
4.1 Ligar/Desligar e Controle de Velocidade
- To turn on the tool, press the trigger switch. The speed increases as you press the trigger further.
- Para desligar a ferramenta, solte o interruptor de gatilho.
4.2 Rotação para frente/para trás
- The forward/reverse rotation switch is located above the trigger.
- Push the switch to the left for forward rotation (for tightening screws).
- Deslize o interruptor para a direita para inverter a rotação (para soltar parafusos).
- Ensure the tool is completely stopped before changing the rotation direction.
4.3 Usando a luz LED
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.

Figura 4.2: Overview of features including handle design and customization options.
5. Manutenção
5.1 Limpeza
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 Armazenamento
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 Cuidados com a bateria
To maximize battery life, avoid fully discharging the batteries. Recharge them before they are completely depleted. Do not expose batteries to extreme temperatures.
6. Solução De Problemas
If you encounter issues with your HiKOKI Impact Driver, refer to the table below for common problems and solutions.
| Problema | Possível causa | Solução |
|---|---|---|
| A ferramenta não inicia | Bateria não carregada ou instalada incorretamente. | Carregue a bateria completamente. Certifique-se de que a bateria esteja encaixada firmemente no lugar. |
| 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 não está segurando com segurança | Broca não inserida completamente. Mecanismo do mandril sujo ou danificado. | Ensure the bit is fully inserted and the sleeve is released. Clean the chuck area. If damaged, seek professional service. |
7. Especificações
| Especificação | Valor |
|---|---|
| Marca | HiKOKI |
| Número do modelo | FWH14DF(2BG) |
| Dimensões do produto | 16.6 x 2.8 x 22.7 cm |
| Peso | 1.3 kg |
| Cor | Azul |
| Fonte de energia | Alimentado por bateria |
| Volumetage | 14.4 Volts |
| Torque | 140 Newton Metros |
| Velocidade máxima de rotação | 2600 RPM |
| Tipo de Bateria | Íon de lítio |
| Capacidade da bateria | 2.0 Ah |
| Hex Shank Size | 6.35 milímetros |
| Fastening Capacity (Standard Bolt) | M6-M14 |
| Fastening Capacity (High-Strength Bolt) | M6-M12 |
| Fastening Capacity (Small Screw) | 4-8 milímetros |
8. Informações de garantia
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 webGuarde seu comprovante de compra para eventuais solicitações de garantia.
9. Suporte
For further assistance, technical support, or to inquire about repairs, please visit the official HiKOKI webou entre em contato com o centro de serviço autorizado mais próximo.

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