1. Introducció
Thank you for choosing the Greenworks GD40CS18 40V Cordless Chainsaw. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new tool. The Greenworks 40V Lithium-Ion platform powers over 40 outdoor products, offering fade-free power with no memory loss after charging. This chainsaw is designed for demanding tasks, providing power equivalent to a 40cc gas chainsaw without the fumes or maintenance.

Figure 1: Greenworks GD40CS18 Chainsaw, battery, charger, and bag.
2. Informació important de seguretat
WARNING: Read all safety warnings and instructions before operating this chainsaw. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
- Utilitzeu sempre l'equip de protecció individual (EPI) adequat, com ara ulleres de seguretat, protecció auditiva, guants i calçat resistent.
- Assegureu-vos que la zona de treball estigui lliure de vianants, especialment nens i mascotes.
- No feu servir la motoserra en condicions humides ni en presència de líquids o gasos inflamables.
- Keep a firm grip with both hands on the chainsaw handles when operating.
- Sigues conscient del cobeig i de com evitar-lo.
- Never operate the chainsaw with one hand.
- Remove the battery pack when not in use, before cleaning, or performing maintenance.
- Feu servir només bateries i carregadors Greenworks de 40 V.
3. Contingut del paquet
Your Greenworks GD40CS18 Chainsaw package typically includes the following items:
- Greenworks GD40CS18 40V Cordless Chainsaw
- 16-inch Bar and Chain (low kickback)
- Bateria de ions de liti de 4.0 Ah i 40 V
- Carregador de bateria de 40V
- Coberta de barra
- Tension Tool (for chain adjustments)
- Manual d'instruccions (aquest document)
4. Especificacions
The Greenworks GD40CS18 Chainsaw features a highly efficient 40V brushless motor, providing increased torque, quiet operation, and extended tool life. It is equipped with a 16-inch bar and chain for effective cutting.
| Atribut | Valor |
|---|---|
| Nom de marca | Greenworks |
| Número de model | GD40CS18 |
| Font d'alimentació | Battery (40V Lithium-Ion) |
| Tipus de serra | Serra de cadena |
| Voltage | 40 V |
| Wattage | 1800W |
| Tipus de motor | Sense raspalls |
| Velocitat de la cadena | 20 m/s |
| Length of Guide Plate | 16 polzades (400 mm) |
| Number of Chain Knots | 56 nusos |
| Pas de cadena | 3/8 polzades |
| Sistema d'oli | Automàtic |
| Fuel Tank Capacity (Oil) | 200 ml |
| Tipus de fre | Mechanical Chain Brake |
| Nivell de so | 104 dB |

Figure 2: Greenworks Chainsaw Comparison Chart.
5. Configuració
5.1 Càrrega de la bateria
Before first use, fully charge the 40V Lithium-Ion battery using the provided Greenworks charger. Insert the battery into the charger, ensuring it clicks into place. The charger's indicator lights will show the charging status. Once fully charged, remove the battery.
5.2 Chain and Bar Installation
Refer to the detailed diagrams in your product manual for specific steps on installing the 16-inch bar and chain. Ensure the chain is correctly oriented and seated in the guide bar groove.
5.3 Filling the Auto-Oiler
The chainsaw features an automatic oiler mechanism. Fill the oil tank (200ml capacity) with appropriate bar and chain oil. The transparent oil level indicator window allows you to monitor the oil level. Ensure the cap is securely fastened after filling.

Figure 3: Auto-oiler and Electric Start detail.
5.4 Tensió de la cadena
The chainsaw features side adjust chain tensioning for quick and easy adjustments. Use the included tension tool to adjust the chain tension. Proper chain tension is crucial for safe and efficient operation. The chain should be snug against the guide bar but still able to be pulled freely by hand.

Figure 4: Side Adjust Chain Tensioning mechanism.
6. Instruccions de funcionament
6.1 Engegada de la motoserra
The Greenworks GD40CS18 features an electric start, eliminating the need for gas, fumes, carburetors, spark plugs, or starter ropes. Simply insert a charged 40V battery, engage the chain brake (if not already engaged), and press the start button while holding the trigger.
6.2 Tècniques de tall
Always maintain a balanced stance and a firm grip on both handles. Plan your cuts to avoid kickback. For optimal performance and safety, use the metal bucking spikes for added durability and leverage against the wood. The wrap-around auxiliary handle helps reduce vibration and increases control during operation.

Figure 5: Chainsaw in use, demonstrating cutting action.
Video 1: Greenworks 40V Chainsaw cutting logs.
7. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament segur de la motoserra. Traieu sempre la bateria abans de realitzar qualsevol manteniment.
7.1 Neteja general
Clean the chainsaw after each use. Remove sawdust, chips, and debris from the motor housing, chain, and bar. Use a brush or compressed air. Do not use water or solvents that could damage plastic parts or electrical components.
7.2 Lubricació de la cadena
The auto-oiler mechanism continuously lubricates the chain during operation. Regularly check the oil level through the transparent window and refill as needed with quality bar and chain oil.
7.3 Chain Sharpening and Bar Maintenance
A sharp chain is essential for efficient and safe cutting. Sharpen the chain regularly or replace it when dull. Inspect the guide bar for wear, burrs, or damage. Rotate the guide bar periodically to ensure even wear.
7.4 Emmagatzematge
When storing the chainsaw, especially for extended periods, it is advisable to store it with as little bar and chain oil in the tank as possible to minimize potential leakage. Store the chainsaw in a dry, secure location out of reach of children.
8. Solució De Problemes
This section addresses common questions and issues you might encounter with your Greenworks GD40CS18 Chainsaw.
8.1 Differences from Older Models (e.g., 20312)
- Chain Tension Mechanism: The GD40CS18 features an updated side-adjust chain tensioning system, which uses a wrench (included) for more reliable and professional adjustments compared to older tool-less designs.
- Fre de cadena: This model incorporates a new mechanical chain brake for enhanced safety.
- Bateria: The batteries have been upgraded to a new style, offering improved performance.
- Internal Electrics: The unit has an updated look and upgraded internal electrics for increased efficiency and reliability.
8.2 Compatibilitat de la bateria
Yes, the new style 40V batteries are designed to be compatible with all Greenworks G-Max/Elite 40V tools, allowing you to use your existing Greenworks 40V battery ecosystem.
8.3 Oil Leakage
Greenworks chainsaws are equipped with automatic oilers that release oil to lubricate the chain. Some oil leakage, especially during storage, is normal. To minimize this, store the unit with as little oil in the tank as possible. If you notice excessive leakage, try slightly loosening the oil cap to relieve any pressure buildup. If the issue persists, please contact Greenworks customer support.
9. Consells d'usuari
- For optimal battery life and performance, always fully charge your battery before use.
- Regularly check and adjust chain tension. A properly tensioned chain improves cutting efficiency and safety.
- Keep the chain sharp. A dull chain can lead to poor performance, increased battery drain, and higher risk of kickback.
- When storing, especially for long periods, empty the oil tank to prevent potential leaks.
- The brushless motor provides excellent torque and runtime; utilize it by letting the saw do the work, avoiding excessive force.
10. Garantia i Suport
For warranty information, technical support, or to order replacement parts, please refer to the official Greenworks weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.





