1. Introduction
Thank you for choosing the Tietoc Mini Chainsaw. This portable electric chain saw is designed for efficient and convenient cutting tasks in your household and garden. Please read this manual thoroughly before operation to ensure safe and effective use of the product.

Image 1.1: The Tietoc Mini Chainsaw, including two batteries, two chains, two guide plates, a quick charger, safety gloves, and a screwdriver, all neatly packed in a carrying case.
2. What's Included
Upon unboxing, please verify that all components listed below are present:
- Mini Chainsaw ×1
- Rechargeable Li-on Battery ×2
- Chain ×2 (one pre-mounted)
- Guide Plate ×2 (one pre-mounted)
- Quick Charger ×1
- Safety Gloves ×1
- Screwdriver ×1
3. Safety Guidelines
Your safety is paramount. Always adhere to the following safety measures:
- Security Lock: The security lock and start button must be pressed simultaneously for the chainsaw to activate. This prevents accidental operation.
- Safety Baffles: The integrated safety baffles are designed to prevent wood chips and debris from splashing towards the user during operation.
- Secure Grip: Utilize the anti-slip textured handle to maintain a firm grip on the mini chainsaw at all times.
- Personal Protective Equipment (PPE): Always wear appropriate PPE, including safety gloves and eye protection, when operating the chainsaw.
- Keep hands and body clear of the chain during operation.
- Ensure the work area is clear of obstructions and bystanders.
4. Setup and Initial Use
4.1. Assembly
Follow these steps to assemble your mini chainsaw:
- Rotate the side cover knob approximately 1/4 turn to loosen.
- Using the provided screwdriver, tighten the top screw to adjust chain tension. Ensure the chain tension is between 1-3mm.
- Tighten the side cover knob clockwise to secure the guide plate and chain.
- Pour general motor oil into the oil tank. The maximum capacity is 30ml.
- Insert a fully charged battery into the chainsaw's battery slot.
- The chainsaw is now ready for use after assembly.

Image 4.1: Visual guide for assembling the mini chainsaw, including adjusting chain tension and adding oil.
4.2. Battery Charging
The chainsaw is powered by a 2000mAh removable and rechargeable Li-on battery. A full charge typically takes 1.5 to 2 hours. Ensure the battery is fully charged before extensive use to maximize working time.

Image 4.2: Illustration of the 2x2000mAh battery capacity, showing 1.5-2 hours charging time and approximately 40 minutes working time.
5. Operating Instructions
The Tietoc Mini Chainsaw features an 880-watt high-power motor and a manganese steel chain, allowing it to cut 6-inch branches with ease. Its slim and lightweight design (only 3.3lb) makes it easy to handle, reducing arm and hand fatigue, and is suitable for various users.
5.1. General Operation
To begin cutting, ensure the battery is inserted and fully charged. Press both the security lock and the start button simultaneously. Apply the chainsaw to the material to be cut, allowing the chain to do the work. Do not force the saw through the material.

Image 5.1: The mini chainsaw in action, demonstrating its capability to cut through wood efficiently.
5.2. Applications
This cordless mini chainsaw is suitable for a variety of tasks, including:
- Wood cutting
- Garden pruning
- Twig pruning
- Shrub pruning
It is widely used in gardens, farms, parks, forests, pastures, orchards, and greenhouses.

Image 5.2: The mini chainsaw being used for tree trimming, highlighting its suitability for garden tasks.
6. Maintenance
6.1. Automatic Oiling System
The chainsaw is equipped with an automatic chain lubrication system. To lubricate the chain, simply pour general motor oil into the tank and press the designated button. This reduces wear and tear, ensuring smoother cutting and longer chain life. One oil fill can last for a full day of use.

Image 6.1: Close-up of the automatic chain oiler system, showing the oil fill window and mechanism.
6.2. Chain Tension Adjustment
Regularly check and adjust the chain tension to ensure optimal performance and safety. Use the provided screwdriver to adjust the screw in the front of the chainsaw until the chain tension is within the recommended 1-3mm range.

Image 6.2: Detail of the 6-inch manganese steel chain, emphasizing its stable structure and high hardness.
7. Troubleshooting
If you encounter any issues with your Tietoc Mini Chainsaw, please refer to the following common solutions:
- Chainsaw not starting: Ensure the battery is fully charged and properly inserted. Both the security lock and the start button must be pressed simultaneously.
- Chain not moving smoothly: Check the chain tension and adjust if necessary (refer to Section 6.2). Ensure the automatic oiling system is functioning and the oil tank is filled.
- Reduced cutting performance: The chain may be dull. Consider replacing the chain with one of the spares provided.
- Battery not charging: Verify that the charger is correctly connected to both the battery and a working power outlet.
For persistent issues not covered here, please contact Tietoc customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | tietoc |
| Model Number | MNCS-118 |
| Product Dimensions | 16 x 4 x 3 inches (16"L x 4"W x 3"H) |
| Item Weight | 2.8 pounds |
| Chain Length | 6 Inches |
| Batteries | 2 Nonstandard Battery batteries required (included) |
| Motor Power | 880 watts |
9. Warranty and Support
Tietoc stands behind the quality of its products. For any product-related issues or inquiries, please contact our customer support team. We are committed to resolving any concerns within 24 hours.
For further assistance, please visit the official Tietoc store or contact your retailer.





