The Voltask 2 x 20V 14-Inch Brushless Cordless Chainsaw (model CS-40A) is a powerful and reliable tool designed for cutting wood. It is engineered to meet high standards in product reliability, ease of use, and safety, providing years of trouble-free performance when properly used.
Function Description:
This cordless chainsaw is designed for cutting wood. It operates on a dual 20V battery system, providing the power needed for efficient cutting. The brushless motor contributes to its efficiency and longevity. Key safety features include a chain brake for immediate stopping in case of kickback, a chain catcher to prevent injury from a torn or jumped chain, and a rear hand guard to protect against thrown branches and twigs. The chainsaw is equipped with an automatic oil pump to ensure continuous chain lubrication during operation. It is intended for use with approved original chains for cutting wood and should not be used for other materials like plastic, masonry, or non-wood building materials.
Important Technical Specifications:
- Model: CS-40A
- Power Source: 2 x 20V Battery Pack
- Motor Type: Brushless
- Guide Bar Length: 14 inches (335mm)
- Idling Speed: 8000 r/min
- Cutting Speed: 15 m/s
- Oil Tank Capacity: 6 oz (180ml)
- Noise Pressure Level: <99dB
- Weight (including battery and charger): 15.7 lbs (7.12kg)
Battery Pack Specifications:
- Battery Pack Type: Li-ion
- Rated Voltage: Maximum: 20V, Nominal: 18V
- Capacity: 4000 mAh
- Charging Time: 120 minutes
Battery Charger Specifications:
- Rated Voltage: 120V, 60Hz
- Charging Voltage: 2 x 20V
- Charging Current: 2 x 2.4A
- Protection Class: /II
Usage Features:
The chainsaw is designed for ease of use with several operational considerations:
- Starting the Device: Requires pressing the safety lock and ON/OFF switch simultaneously. The safety lock can be released after startup, but the ON/OFF switch must be held down for continuous operation.
- Battery Management: The device uses two 20V battery packs. Users can check the remaining battery capacity via LED indicators by pressing a push button. It's crucial to charge batteries fully before first use and to recharge them when the 1 LED blinks (indicating an empty battery).
- Chain Tensioning: The saw chain tension needs to be adjusted correctly. This involves slightly lifting the tip of the guide bar, checking for smooth chain movement, turning the tensioning screw clockwise, and then tightening the quick locking device. Re-tensioning is recommended after a maximum of 5 cuts during the run-in time.
- Chain Lubrication: The device features an automatic oil pump. Users must ensure sufficient chain lubrication by checking the oil quantity in the tank and refilling it with biologically degradable vegetable-based saw chain oil. A slight oil trail should be visible when holding the running saw chain above a surface for 15 seconds.
- Sawing Techniques:
- Pull Sawing: This preferred technique involves cutting with the underside of the guide bar from above downwards. The saw chain pushes the device forwards, away from the user, providing better control and reducing kickback risk. The bump stop should grip the wood, and the saw should be held close to the motor block.
- Push Sawing: This technique involves cutting with the upper edge of the guide bar from below upwards. The saw chain pushes the device backward, towards the user. This method carries a higher risk of kickback if not properly balanced.
- Felling a Tree: This task should only be performed by trained individuals. It involves a two-step process: notching the trunk approximately one-third of its diameter on the felling direction side, followed by a felling cut on the opposite side, slightly higher than the notch. Maintaining a clear escape route and awareness of the felling direction are critical.
- Removing Branches: Always work on the side opposite the branch, starting from the bottom and working upwards. For thicker branches, a first cut from below, followed by a cut from above, is recommended.
- Kickback Prevention: Users must maintain a firm grip with both hands, position their body to resist kickback forces, and avoid letting the tip of the guide bar touch objects. The chain brake is a crucial safety device that automatically triggers on impact.
- Environmental Considerations: Only biologically degradable vegetable-based saw chain oils should be used, as the oil can penetrate the environment during operation.
Maintenance Features:
Regular maintenance is essential for the safety and longevity of the chainsaw.
- Cleaning: Remove coarse dirt and wipe down the device with a slightly damp cloth.
- Oil Guide Groove Cleaning: The guide bar should be removed, and dirt cleaned from its oil guide groove using a plastic spatula (avoid steel tools).
- Chain Sharpening: Special tools are required for sharpening the saw chain to ensure correct cutting angle and depth. It is recommended to have the saw chain sharpened by a professional.
- Storage: Store the device in a dry, horizontal position after it has cooled down. If storing for a long period, remove the chain oil. Periodically fully charge the battery to increase its lifespan.
- Transport: When transporting, slip the protective cover over the cutting tool, secure the device to prevent slipping, and use original packaging if possible.
- Personal Protective Equipment (PPE): Always wear protective chainsaw gloves, wrap-around goggles/protective visor, earplugs/earmuffs, a safety helmet with a visor, safety shoes with gripping soles, steel caps, and leg protection. Wear close-fitting work clothes, avoid jewelry, and use a hair net for long hair.
- Work Area Safety: Keep the work area clean, well-lit, and free of children and bystanders.
- Battery Safety: Recharge only with the specified charger. Do not disassemble batteries, expose them to heat, fire, water, or humidity. Never charge non-rechargeable batteries.
- Vibration Risks: Prolonged exposure to vibration can cause damage to blood vessels and nerves. Take regular breaks, keep hands warm, and move hands to promote circulation.
- Pre-Operation Checks: Before each use, check all parts for a firm fit, visible defects, correct functioning of safety equipment (hand guard, safety lock, start button, chain catcher, chain brake), and ensure handles are free from oil.
- Avoid Overreaching: Do not cut above shoulder height or on unstable surfaces.
- Chain Oil: Use only special saw chain oils with good adhesion properties. Never use old oil.
The Voltask chainsaw is a robust tool, and adherence to the instructions and safety guidelines will ensure its safe and effective operation.
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