1. Уводзіны
Thank you for choosing the SEYVUM 20V 12-inch Cordless Electric Chainsaw. This manual provides essential information for the safe and efficient operation, assembly, maintenance, and troubleshooting of your chainsaw. Please read it thoroughly before first use and keep it for future reference.
Што ўваходзіць у камплект:
- 1 x SEYVUM 20V 12-inch Chainsaw
- 2 ланцугі х 12 цаляў
- 2 x 20V 4.0Ah Li-ion Batteries
- 1 х 1.8 А падвойная зарадная прылада
- 1 пара пальчатак
- 1 x Pair of Protective Glasses
- 1 х Кіраўніцтва карыстальніка

Image 1.1: The SEYVUM 20V 12-inch Cordless Electric Chainsaw and its complete accessory kit.
2. Інструкцыі па тэхніцы бяспекі
Заўсёды надавайце прыярытэт бяспецы пры працы з электраінструментамі. Невыкананне гэтых інструкцый можа прывесці да сур'ёзных траўмаў або пашкоджання маёмасці.
Агульныя рэкамендацыі па бяспецы:
- Wear appropriate personal protective equipment (PPE) including safety glasses, gloves, hearing protection, and sturdy footwear.
- Пераканайцеся, што ў рабочай зоне няма старонніх людзей, дзяцей і хатніх жывёл.
- Не выкарыстоўвайце бензапілу ў вільготных умовах або ў прысутнасці лёгкаўзгаральных вадкасцей ці газаў.
- Трымайце бензапілу абедзвюма рукамі падчас працы.
- Never overreach or cut above shoulder height.
- Always remove the battery when not in use, before cleaning, or performing maintenance.
Убудаваныя функцыі бяспекі:
- Выключальнік бяспекі: The chainsaw can only be activated by simultaneously pressing the safety button and the trigger switch.
- Тормаз ланцуга: An instant-stop chain brake system quickly halts the chain within 0.2 seconds in case of kickback, minimizing injury risk.
- Kickback Reduction: The chainsaw head is designed to reduce the likelihood of kickback.

Image 2.1: Key safety features including the safety switch, chain brake, and ergonomic handle for secure operation.
3. зборка
Before assembly, ensure the battery is removed from the chainsaw.
3.1 Attaching the Chain and Guide Bar:
- Падрыхтуйце ланцужок: Carefully uncoil the chain and place it on a flat surface. Note the direction of the cutting teeth; they should face forward, away from the chainsaw body.
- Зняць вечкавую пласціну: Turn the green knob counter-clockwise to loosen and remove the cover plate from the chainsaw body.
- Install Chain on Guide Bar: Place the chain onto the guide bar, ensuring the cutting teeth are oriented correctly.
- Mount Guide Bar and Chain: Position the guide bar with the chain onto the chainsaw body. Ensure the mounting plate faces upwards and the chain engages with the drive sprocket.
- Reattach Cover Plate: Place the cover plate back onto the chainsaw body. Do not fully tighten the green knob yet.
3.2 Adjusting Chain Tension (Tool-Free):
The SEYVUM chainsaw features a tool-free chain tensioning system for easy adjustments.
- Loosen Cover Plate: If the chain is too tight, first turn the green knob counter-clockwise to loosen the cover plate slightly.
- Рэгуляванне нацяжэння: Rotate the black ring clockwise to tighten the chain or counter-clockwise to loosen it. The chain should be snug against the guide bar, but still allow you to pull it slightly away from the bar (approximately 2-3mm).
- Бяспечная вечка: Once the desired tension is achieved, turn the green knob clockwise to firmly tighten the cover plate.

Image 3.1: The tool-free chain tensioning knob allows for quick and easy adjustments.
Video 3.1: This video demonstrates how to properly install the chain and guide bar, and adjust the chain tension on the SEYVUM 20V 12-inch chainsaw. It shows placing the chain on the guide bar, noting the cutting teeth direction, removing and reattaching the cover plate, and using the tool-free knob to achieve correct chain tightness.
4. Усталёўка і зарадка акумулятара
The chainsaw is powered by two 20V 4.0Ah Li-ion batteries, providing extended run time.
4.1 Battery Status:
Each battery features an electric quantity display. Press the button on the battery to check the charge level. Green LEDs indicate charge, while a red LED indicates low battery.
4.2 Зарадка акумулятараў:
- Connect the 1.8A dual charger to a power outlet.
- Insert the batteries into the charger slots. A red LED indicator on the charger signifies charging.
- When fully charged, the LED indicator will turn green. Charging time is approximately 2 hours for both batteries.
4.3 Installing/Removing Batteries:
- To install, slide the charged battery into the battery slot on the chainsaw until it clicks into place.
- Каб выняць, націсніце кнопку фіксацыі батарэі і выцягніце яе.

Image 4.1: The two 20V 4.0Ah Li-ion batteries provide power for the chainsaw.
5. Аперацыя
Always ensure you are wearing appropriate PPE and the work area is clear before operating the chainsaw.
5.1 Запуск і прыпынак:
- Пачаць: With the battery installed, press the safety button and the trigger switch simultaneously. The chain will begin to move.
- Спыніць: Release the trigger switch. For emergency stops, engage the chain brake by pushing the front handguard forward.
5.2 Auto-Oiling System:
The chainsaw features an automatic oiling system to ensure continuous lubrication of the chain and guide bar, extending their lifespan and optimizing performance.
- Fill Oil Tank: Unscrew the oil tank cap and pour appropriate chainsaw bar and chain oil into the oil filler neck.
- Праверце ўзровень алею: Monitor the oil level through the oil level window on the side of the chainsaw.
- Пачатковы запуск: Before first use or after refilling, run the chainsaw idle for approximately 10 seconds to ensure oil flow is normal.

Image 5.1: The auto-oiling system ensures the chain is continuously lubricated during operation.
5.3 Тэхнікі рэзкі:
- Always maintain a balanced stance and firm grip.
- Allow the chainsaw to reach full speed before contacting the wood.
- Do not force the saw; let the chain do the work.
- Be aware of potential kickback and pinch points.
Відэа 5.2: Гэта відэа змяшчае поўны аглядview of the SEYVUM 20V 12-inch cordless chainsaw, demonstrating its features such as the tool-less chain tension, auto-oiling system, dual safety design, and the powerful brushless motor in action. It also shows the battery installation and removal, and the instant-stop chain brake.
6. Тэхнічнае абслугоўванне
Рэгулярнае тэхнічнае абслугоўванне забяспечвае аптымальную прадукцыйнасць і падаўжае тэрмін службы вашай бензапілы.
6.1 Chain Tension:
Check chain tension frequently, especially during extended use. A properly tensioned chain should be snug but still allow for slight movement away from the guide bar. Refer to Section 3.2 for adjustment instructions.
6.2 Oiling:
Always ensure the oil reservoir is filled with appropriate bar and chain oil before and during operation. Check the oil level regularly using the oil level window.
6.3 Уборка:
- Перад чысткай выміце батарэю.
- Use a brush or compressed air to remove sawdust and debris from the chain, guide bar, and motor housing.
- Працярыце знешні выгляд рэкламайamp тканіна. Не выкарыстоўвайце агрэсіўныя хімікаты.
6.4 Завострыванне ланцуга:
A sharp chain is crucial for efficient and safe cutting. If the chain becomes dull, it should be sharpened or replaced. Consult a professional or refer to specific chain sharpening guides for your chain type.
7. Выпраўленне непаладак
This section addresses common issues you might encounter with your SEYVUM chainsaw.
| праблема | Магчымая прычына | Рашэнне |
|---|---|---|
| Бензапіла не заводзіцца | Battery not installed correctly or discharged; Safety button not pressed; Chain brake engaged. | Ensure battery is fully charged and properly seated. Press safety button and trigger simultaneously. Disengage chain brake. |
| Chain is loose or too tight | Няправільнае нацяжэнне ланцуга. | Adjust chain tension using the tool-free knob as described in Section 3.2. |
| Chain not oiling | Рэзервуар для алею пусты; адтуліна для алею забітая. | Refill oil reservoir. Clean oil port if necessary. Run idle for 10 seconds to prime. |
| Зніжэнне прадукцыйнасці рэзання | Тупы ланцуг; няправільнае нацяжэнне ланцуга; нізкі зарад акумулятара. | Sharpen or replace chain. Adjust chain tension. Recharge or replace battery. |
8. Тэхнічныя характарыстыкі
| Асаблівасць | Дэталь |
|---|---|
| Марка | СЕЙВУМ |
| Нумар мадэлі | 70-US-DLCS4011-2 |
| Крыніца харчавання | Харчаванне ад батарэі |
| Тып рухавіка | Бесщеточный рухавік |
| Конскія сілы | 1200 ват |
| Хуткасць ланцуга | 29 фута/с |
| Хуткасць без нагрузкі | 5800 XNUMX абаротаў у хвіліну |
| Даўжыня планкі | 12 цаляў |
| Тып батарэі | 20V 4.0Ah Li-ion (2 included) |
| Прыбл. Час выканання | Up to 45 minutes (or 100 cuts of 4x4 inch wood) |
| Час зарадкі | Прыбл. 2 гадзіны |
| Вага прадмета | 8.18 фунта |
| Памеры прадукту | 17.44 х 7.32 х 7.2 цалі |
9. Гарантыя і падтрымка
For warranty information, product support, or to purchase replacement parts, please refer to the contact information provided in your product packaging or visit the official SEYVUM webсайт. Захоўвайце чэк аб куплі як пацвярджэнне пакупкі для гарантыйных прэтэнзій.