1. Introduction
Thank you for choosing the SEYVUM 20V Cordless Leaf Blower, Model 8189. This electric leaf blower is designed for efficient lawn care, patio, garden, and general outdoor cleaning tasks. It offers powerful performance with the convenience of battery operation. Please read this manual thoroughly before use to ensure safe and optimal operation of your device.

Image 1.1: SEYVUM 20V Cordless Leaf Blower, Model 8189, in its lemon green color.
2. Safety Information
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Keep this manual for future reference.
- Eye Protection: Always wear safety glasses or goggles when operating the leaf blower.
- Hearing Protection: Use ear protection during extended operation.
- Clear Area: Ensure the work area is clear of bystanders, children, and pets.
- Secure Grip: Maintain a firm grip on the blower handle during operation.
- Dry Conditions: Do not operate the blower in wet conditions or rain.
- Battery Safety: Use only the specified batteries and charger. Do not expose batteries to extreme temperatures or water. Allow batteries to cool before charging.
- Inspect Before Use: Check for loose parts, damage, or obstructions before each use.
3. Package Contents
Your SEYVUM Leaf Blower package includes the following items:
- SEYVUM Cordless Leaf Blower Unit
- 2 x 2.0Ah Lithium-Ion Batteries
- Fast Charger
- Concentrator Nozzle
- Extension Nozzle (2 sections of tube)
- User Manual (this document)

Image 3.1: All components included in the SEYVUM Leaf Blower package: blower unit, two batteries, charger, and two nozzle sections.
4. Setup
Follow these steps to assemble and prepare your leaf blower for first use:
- Attach Nozzles: The leaf blower comes with two sections of tube. Align the first section with the blower's air outlet and push until it clicks into place. If a longer reach is desired, attach the second extension nozzle to the first section, ensuring it is securely fastened.
- Insert Battery: Ensure the battery is fully charged. Slide a 20V 2.0Ah lithium-ion battery into the battery slot on the blower until it locks securely.
- Charge Batteries: Connect the fast charger to a power outlet. Insert the battery into the charger. The indicator lights on the battery will show the charging status. Allow approximately 2 hours for a full charge. Always allow the battery to cool down before charging.

Image 4.1: Illustration of how the two sections of the blower tube connect to extend the reach of the SEYVUM Leaf Blower.

Image 4.2: Close-up of a SEYVUM 20V Lithium-Ion battery, highlighting the power indicator lights and charging port.
5. Operating Instructions
Your SEYVUM Leaf Blower features two variable speeds for versatile cleaning.
- Power On/Off: To turn on the blower, slide the speed control switch to either Speed 1 or Speed 2. To turn off, slide the switch to the 'OFF' position.
- Adjusting Speed: The blower has two speed settings:
- Speed 1 (Low): Provides up to 70 MPH air velocity, suitable for light debris and delicate areas.
- Speed 2 (High): Provides up to 150 MPH air velocity, ideal for heavier debris and larger areas.
- Optimal Usage: This cordless leaf blower is highly maneuverable and suitable for various tasks including clearing leaves from patios, gardens, driveways, and even light debris from cars or workshops. It is particularly effective for small to medium-sized jobs.

Image 5.1: Close-up of the two-speed control switch on the SEYVUM Leaf Blower handle.

Image 5.2: A person using the SEYVUM Leaf Blower to clear leaves from a paved driveway, demonstrating its efficient blowing power.
Video 5.1: Official SEYVUM video demonstrating the assembly and usage of the 20V Leaf Blower with two 2.0Ah batteries, showcasing its features and ease of use.
6. Maintenance
Regular maintenance ensures the longevity and performance of your leaf blower.
- Cleaning: After each use, wipe down the exterior of the blower with a damp cloth. Ensure the air intake and outlet are free from debris.
- Battery Care: Store batteries in a cool, dry place away from direct sunlight. Do not store fully discharged batteries for extended periods.
- Storage: The detachable design allows for compact storage. Disassemble the nozzles and store the unit in a dry, secure location.
7. Troubleshooting
If you encounter issues with your SEYVUM Leaf Blower, refer to the following common problems and solutions:
- Blower Not Starting: Check if the battery is fully charged and securely inserted. Ensure the speed control switch is in an 'ON' position (Speed 1 or Speed 2).
- Reduced Airflow: Inspect the air intake and nozzle for any blockages or debris. Clean as necessary.
- Short Battery Life: Ensure batteries are fully charged before use. Battery performance can decrease in extremely cold temperatures.
- Unusual Noise/Vibration: Turn off the blower immediately and inspect for any loose parts or foreign objects inside the unit.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | SEYVUM |
| Model Name | 8189 |
| Power Source | Battery Powered |
| Voltage | 20 Volts |
| Battery Type | Lithium Ion (2 x 2.0Ah included) |
| Maximum Air Velocity | 150 Miles per Hour |
| Air Volume (CFM) | Up to 320 CFM |
| Form Factor | Handheld |
| Item Weight | 5.24 pounds |
| Product Dimensions | 15.15"L x 5.9"W x 7.67"H |
| Special Features | Adjustable Speed, Adjustable Tube Length, Battery Charge Indicator, Lightweight, Portable |
9. Warranty and Support
SEYVUM stands by the quality of its products. This product comes with a warranty. Please refer to the product packaging or contact SEYVUM customer support for detailed warranty information and assistance.
For further support or inquiries, please visit the official SEYVUM website or contact their customer service department.
