1. Introdución
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your HiKOKI Hammer Drill Model PR-38E. Please read this manual thoroughly before using the tool and keep it for future reference.
The HiKOKI PR-38E is a powerful hammer drill designed for heavy-duty drilling tasks. It features a 1050W motor, automatic oil supply, and a safety slip clutch for enhanced user protection. It is capable of drilling up to 38mm with a drill bit and 105mm with a core bit.
2. Información de seguridade
AVISO: Siga sempre as precaucións de seguridade básicas para reducir o risco de incendio, descarga eléctrica e lesións persoais graves.
- Usar equipos de protección individual (EPI) axeitados, como lentes de seguridade, protección auditiva e luvas.
- Asegúrate de que a zona de traballo estea limpa e ben iluminada. As zonas desordenadas ou escuras favorecen os accidentes.
- Non utilice ferramentas eléctricas en atmosferas explosivas, como en presenza de líquidos, gases ou po inflamables.
- Manteña os nenos e os espectadores afastados mentres manexa unha ferramenta eléctrica. As distraccións poden facer que perdas o control.
- Desconecte sempre o enchufe da fonte de alimentación antes de facer axustes, cambiar accesorios ou gardar ferramentas eléctricas.
- Emprega a ferramenta eléctrica axeitada para a túa aplicación. Non forces a ferramenta.
- Asegure a peza de traballo. Use clamps ou un torno para suxeitar a peza de traballo.
- Manter as ferramentas con coidado. Manter as ferramentas de corte afiadas e limpas.
- Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool's operation.
3. Produto rematadoview
Familiarize yourself with the components of your HiKOKI Hammer Drill PR-38E.

Figure 1: HiKOKI Hammer Drill PR-38E main unit. This image shows the overall design of the hammer drill, including the main body, handle, and chuck area.
Accesorios estándar:
- Side Handle: Provides additional grip and control during operation.
- Oil Feeder: For maintaining the automatic oil supply system.
- Carrying Case: For convenient storage and transport.
- Spanner: For chuck adjustments or other maintenance tasks.
4. Configuración
4.1 Fixación da asa lateral
Afrouxa o mango lateral clamp and slide the handle onto the drill's neck. Adjust its position for comfortable and secure grip, then tighten the clamp firmemente.
4.2 Instalación das brocas
- Asegúrate de que a ferramenta estea desconectada da fonte de alimentación.
- Abra as mordazas do mandril xirando a chave do mandril en sentido antihorario.
- Insira a broca completamente no portabrocas.
- Tighten the chuck jaws securely by rotating the chuck key clockwise. Ensure the bit is centered and firmly held.
4.3 Conexión de alimentación
Connect the 3-pin plug to a compatible 100V single-phase power outlet. Ensure the power source matches the tool's voltage requisitos.
5. Instrucións de funcionamento
5.1 Arranque e parada
- Para arrincar a furadeira, prema o interruptor de gatillo.
- Para deter a furadeira, solte o interruptor de gatillo.
- For continuous operation, press the trigger and then press the lock-on button. To release, press the trigger again.
5.2 Operación de perforación
- Mark the drilling location on the workpiece.
- Hold the drill firmly with both hands, using the side handle for stability.
- Position the drill bit on the marked spot.
- Start the drill and apply steady, even pressure. Do not force the drill.
- Maintain a straight drilling angle.
- Once the desired depth is reached, release the trigger and wait for the drill bit to stop before withdrawing it from the hole.
5.3 Automatic Oil Supply
The PR-38E features an automatic oil supply system. Regularly check the oil level and refill using the provided oil feeder as needed. Refer to the maintenance section for details on oil type and refilling procedure.
5.4 Dust Collector Attachment (Optional)
This model is designed to be attachable with a dust collector. For cleaner operation and to reduce dust exposure, consider attaching a compatible dust collection system (sold separately) according to its specific instructions.
6. Mantemento
Un mantemento regular garante un rendemento óptimo e prolonga a vida útil da súa ferramenta.
- Limpeza: Keep the tool's ventilation openings clean and free from dust and debris. Use a soft brush or compressed air.
- Automatic Oil Supply: Check the oil level before each use. Refill with the recommended oil type (refer to specifications or product label) using the oil feeder. Do not overfill.
- Mantemento do mandril: Periodically clean the chuck jaws to ensure proper grip on drill bits. Apply a small amount of lubricant if the chuck becomes stiff.
- Inspección do cable: Inspeccione regularmente o cable de alimentación para detectar calquera signo de danos, cortes ou desgaste. Substitúa os cables danados inmediatamente.
- Almacenamento: Store the tool in its carrying case in a dry, secure location, out of reach of children.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| A ferramenta non comeza. | Sen fonte de alimentación. Cable de alimentación danado. Interruptor defectuoso. | Comprobe a toma de corrente e as conexións. Inspect and replace power cord if damaged. Contacte co centro de servizo. |
| A broca esvara no mandril. | Mandril non apertado correctamente. Worn chuck jaws. Dirty chuck jaws. | Retighten chuck securely. Substitúe o mandril. Limpar as mordazas do mandril. |
| Vibración excesiva. | Broca doblada. Compoñentes soltos. | Replace drill bit. Check for loose screws or parts and tighten. |
| Sobrequecemento. | Ventilación bloqueada. Sobrecarga da ferramenta. | Clean ventilation openings. Reduce pressure and allow tool to cool. |
8. Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | PR-38E |
| Marca | HiKOKI |
| Fonte de enerxía | Corded (Single Phase 100V, 3-Pin Plug) |
| Potencia máxima | 1050 vatios |
| Actual | 11 Amperes |
| Velocidade máxima de rotación | 400 RPM (revolutions per minute) |
| No-load Impact Rate | 3,000 IPM (impacts per minute) |
| Drilling Capacity (Drill Bit) | 38 mm |
| Drilling Capacity (Core Bit) | 105 mm |
| Lonxitude do cordón | 5 metros |
| Peso do elemento | 7.5 kg |
| Compoñentes incluídos | Side Handle, Oil Feeder, Carrying Case, Spanner |
9. Garantía e soporte
Para obter información sobre a garantía, o servizo técnico ou a asistencia técnica, consulte a páxina oficial de HiKOKI website or contact your local authorized HiKOKI dealer. Keep your purchase receipt as proof of purchase for warranty claims.
HiKOKI oficial Websitio: https://www.hikoki-powertools.jp/