1. Introducción
Thank you for choosing the WORKPRO 20V Cordless Mini Circular Saw. This manual provides essential information for safe and efficient operation, maintenance, and troubleshooting of your new tool.
Qué incluye:
- 1 × 20V cordless mini circular saw
- 1 × 4.0Ah battery pack
- 1 × fast charger
- 1 × 24T alloy blade (designed for wood)
- 1 × 60T blade (designed for wood and plastic)
- 1 × diamond blade (designed for tiles)
- 1 × hex key
- 1 × parallel guide
- 1 × dust extraction tube
- 1 × bolsa de almacenamiento
- 1 × user instruction

Image: WORKPRO 20V Cordless Mini Circular Saw with its battery, charger, three blades, and carrying bag.
2. Pautas generales de seguridad
Always adhere to these safety precautions to prevent injury and ensure proper tool function:
- Utilice siempre el equipo de protección personal (EPP) adecuado, que incluya gafas de seguridad, protección auditiva y guantes.
- Asegúrese de que la pieza de trabajo esté bien sujeta.amped or otherwise stabilized before cutting.
- Keep hands clear of the cutting area and rotating blade at all times.
- Disconnect the battery pack before making any adjustments, changing blades, or performing maintenance.
- Use the correct blade type for the specific material being cut.
- Keep the work area clean, clear of clutter, and well-lit.
- Avoid accidental starting; ensure the safety lock-off switch is engaged when not in use and before connecting/disconnecting the battery.
3. Componentes del producto
Familiarize yourself with the parts of your WORKPRO Mini Circular Saw:

Image: Detailed diagram showing the various components of the circular saw, including the safety lock-off switch, laser, ON/OFF switch, base plate, blade guard, and adjustment knobs.
- Safety Lock-off Switch: Previene el arranque accidental.
- Láser: Provides a guide line for precise cuts.
- Interruptor encendido / apagado: Activates/deactivates the saw.
- Placa base: Sostiene la sierra sobre la pieza de trabajo.
- Protector de seguridad retráctil para hoja de sierra: Covers the blade when not cutting.
- Escala de ángulo de corte: Indicates the current bevel angle.
- Puerto de extracción de polvo: Connects to the dust extraction tube.
- Escala de profundidad de corte: Shows the current cutting depth.
- Botón de bloqueo del eje: Locks the blade for easy replacement.
- Depth Locking Knob: Secures the cutting depth adjustment.
- Angle Locking Knob: Secures the cutting angle adjustment.
- 4.0Ah Battery Pack: Proporciona energía inalámbrica.
4. Configuración
4.1 Carga e instalación de la batería
Before first use, fully charge the 4.0Ah battery pack.
- Insert the 4.0Ah battery pack into the fast charger. The indicator light on the charger will show the charging status. A full charge takes approximately 2 hours.
- Once charged, align the battery pack with the base of the saw handle and slide it in until it clicks securely into place.

Image: Close-up of the WORKPRO 20V 4.0Ah Li-ion battery pack, highlighting its capacity and quick release mechanism.
4.2 Instalación de la hoja
Always ensure the battery is removed before changing blades.
- Press the spindle lock button to hold the blade in place.
- Use the provided hex key to loosen the blade retaining screw.
- Carefully remove the old blade (if any) and install the new blade, ensuring the teeth are oriented correctly for cutting.
- Tighten the retaining screw firmly.
Video: Demonstration of how to replace the saw blade, showing the use of the spindle lock button and hex key.
4.3 Dust Extraction Tube and Parallel Guide
- Dust Extraction Tube: Attach the dust extraction tube to the dust extraction port on the saw. For optimal dust collection, connect the tube to a vacuum cleaner using a suitable adapter.
- Guía paralela: Insert the parallel guide into the designated slot on the base plate. Adjust to the desired cutting width and secure with the locking bolt for precise straight cuts.
5. Instrucciones de funcionamiento
5.1 Encendido / Apagado
To start the saw, press the safety lock-off switch, then squeeze the ON/OFF trigger. Release the trigger to stop the saw.
5.2 Ajuste de la profundidad y el ángulo de corte
- Profundidad de corte: Loosen the depth locking knob. Adjust the base plate to achieve the desired cutting depth (maximum 1-11/16" at 90°). Tighten the depth locking knob securely.
- Ángulo de corte (bisel): Loosen the angle locking knob. Tilt the base plate to the desired cutting angle (0° to 45°). Tighten the angle locking knob securely.

Image: Visual guide demonstrating how to adjust the cutting depth and bevel angle on the circular saw.
5.3 Using the Laser Guide for Precision
Activate the laser guide by pressing the switch on the laser module. Align the laser line with your cutting mark for precise straight cuts.

Image: The circular saw in action, with the laser guide projecting a red line onto the workpiece for accurate cutting.
5.4 Dust Extraction During Operation
The included dust extraction tube helps maintain a clean work environment by directing sawdust away from the cutting line.

Image: The circular saw being used with the dust extraction tube attached, showing sawdust being collected.
5.5 Corte de diversos materiales
This saw is designed for sawing a variety of materials including wood, tile, plastics, PVC, and soft metals. Always ensure you are using the correct blade for the material.
- Wood/Plastic: Use the 24T alloy blade or the 60T blade.
- Azulejos: Use the diamond blade.
- Soft Metals: The saw is capable of cutting soft metals. Use the appropriate blade for the specific soft metal.

Image: Four panels showing the circular saw cutting different materials: wood, PVC pipe, ceramic tile, and a cement block.
6. Mantenimiento
El mantenimiento regular garantiza la longevidad y el rendimiento óptimo de su sierra.
- Limpieza: Regularly clean the saw, especially the blade area and dust extraction port, to prevent buildup and ensure smooth operation. Use a dry cloth or soft brush. Do not use solvents or harsh chemicals.
- Cuidado de la hoja: Inspect blades for sharpness and damage before each use. Replace dull or damaged blades immediately to ensure safe and efficient cutting.
- Cuidado de la batería: Store the battery in a cool, dry place away from direct sunlight. Do not expose to extreme temperatures. Charge the battery fully before long-term storage to maintain its health.
7. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La sierra no arranca | Carga de batería baja o nula La batería no está instalada de forma segura Safety lock-off switch not fully disengaged | Cargue la batería completamente Asegúrese de que la batería esté colocada en su lugar. Press the safety lock-off switch completely before pulling the trigger |
| La cuchilla no corta eficientemente | Hoja incorrecta para el material Hoja desafilada o dañada Cutting depth set too shallow | Install the correct blade for the material Reemplazar la cuchilla Adjust cutting depth as needed |
| Exceso de polvo durante el corte | Dust extraction tube clogged or improperly attached Vacuum cleaner (if used) not functioning | Clear any clogs and ensure tube is securely attached Check vacuum cleaner power and bag/filter |
8. Especificaciones
- Marca: TRABAJO PRO
- Modelo: 20V Cordless Mini Circular Saw
- Fuente de energía: Alimentado por batería (ion de litio de 20 V)
- Capacidad de la batería: 4.0 Ah
- Velocidad sin carga: 4500 RPM
- Diámetro de la hoja: 4-1/2"
- Profundidad máxima de corte (90°): 1-11/16"
- Profundidad máxima de corte (45°): 1-1/8"
- Peso del artículo: 9.6 libras
- Cuchillas incluidas: 24T alloy (wood), 60T (wood/plastic), Diamond (tiles)
- Características especiales: Dust Collection, Bevel Capability, Rechargeable Battery, Variable Speed, Depth Adjustment, Laser Guide
9. Garantía
This WORKPRO 20V Cordless Mini Circular Saw comes with a Garantía limitada de por vida.
Please refer to the warranty card included with your product or visit the official WORKPRO websitio para conocer los términos y condiciones completos.
10. Atención al cliente
For technical assistance, replacement parts, or warranty claims, please contact WORKPRO customer support. Refer to the product packaging or the official WORKPRO webSitio para obtener los datos de contacto más actualizados.





