WORKPRO 20V Cordless Mini Circular Saw, 4-1/2" Compact Wireless Circular Saw 4.0Ah Battery, Fast Charger, 3 Blades, 4500RPM, Las
Manual do Usuário da Mini Serra Circular Sem Fio WORKPRO 20V
Model: 20V Cordless Mini Circular Saw, 4-1/2" Compact Wireless Circular Saw
Marca: WORKPRO
1. Introdução
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.
O que está incluído:
- 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 × saco de armazenamento
- 1 × user instruction

Image: WORKPRO 20V Cordless Mini Circular Saw with its battery, charger, three blades, and carrying bag.
2. Diretrizes Gerais de Segurança
Always adhere to these safety precautions to prevent injury and ensure proper tool function:
- Utilize sempre os equipamentos de proteção individual (EPI) adequados, incluindo óculos de segurança, protetores auriculares e luvas.
- Certifique-se de que a peça de trabalho está bem clamped 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 do produto
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: Impede o acionamento acidental.
- Laser: Provides a guide line for precise cuts.
- Chave ON / OFF: Activates/deactivates the saw.
- Placa de base: Apoia a serra na peça de trabalho.
- Saw Blade Retractable Safety Guard: Covers the blade when not cutting.
- Cutting Angle Scale: Indicates the current bevel angle.
- Porta de extração de poeira: Connects to the dust extraction tube.
- Cutting Depth Scale: Shows the current cutting depth.
- Botão de bloqueio do eixo: 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: Fornece energia sem fio.
4. Configuração
4.1 Carregamento e Instalação da Bateria
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 Instalação da Lâmina
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.
- Guia Paralelo: 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. Instruções de operação
5.1 Ligar/Desligar
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 Adjusting Cutting Depth and Angle
- Profundidade 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.
- Cutting Angle (Bevel): 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 materiais
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. Manutenção
A manutenção regular garante a longevidade e o desempenho ideal da sua serra.
- Limpeza: 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.
- Cuidados com a lâmina: Inspect blades for sharpness and damage before each use. Replace dull or damaged blades immediately to ensure safe and efficient cutting.
- Cuidados com a bateria: 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. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| Vi não iniciando | Bateria com pouca ou nenhuma carga Bateria não instalada com segurança Safety lock-off switch not fully disengaged | Carregue a bateria totalmente Certifique-se de que a bateria esteja encaixada corretamente. Press the safety lock-off switch completely before pulling the trigger |
| A lâmina não está cortando de forma eficiente. | Lâmina inadequada para o material Lâmina cega ou danificada Cutting depth set too shallow | Install the correct blade for the material Substitua a lâmina Adjust cutting depth as needed |
| Excessive dust during cutting | 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. Especificações
- Marca: TRABALHO PROFISSIONAL
- Modelo: 20V Cordless Mini Circular Saw
- Fonte de energia: Alimentado por bateria (íon-lítio de 20 V)
- Capacidade da bateria: 4.0 Ah
- Velocidade sem carga: 4500 RPM
- Diâmetro da lâmina: 4-1/2"
- Profundidade máxima de corte (90°): 1-11/16"
- Profundidade máxima de corte (45°): 1-1/8"
- Peso do item: 9.6 libras
- Lâminas incluídas: 24T alloy (wood), 60T (wood/plastic), Diamond (tiles)
- Características especiais: Dust Collection, Bevel Capability, Rechargeable Battery, Variable Speed, Depth Adjustment, Laser Guide
9. Garantia
This WORKPRO 20V Cordless Mini Circular Saw comes with a Garantia vitalícia limitada.
Please refer to the warranty card included with your product or visit the official WORKPRO website para termos e condições completos.
10. Suporte ao cliente
For technical assistance, replacement parts, or warranty claims, please contact WORKPRO customer support. Refer to the product packaging or the official WORKPRO webPara obter as informações de contato mais atualizadas, acesse o site.