1. Introduction
Thank you for choosing the HYCHIKA 18V Cordless Leaf Blower and Inflator. This versatile tool is designed for efficient outdoor cleaning tasks such as clearing leaves and debris, as well as for inflating various items. Its lightweight, cordless design and powerful motor make it an ideal solution for a variety of applications. Please read this manual carefully before use to ensure safe and optimal performance.
Product Features:
- Cordless Design: Offers freedom of movement without the restriction of power cords.
- Powerful Motor: Equipped with a permanent magnet DC motor (series 775) reaching up to 14600 RPM for strong airflow.
- High Performance: Achieves a blow speed of up to 62 M/S and an air volume of up to 1.53 M³/MIN.
- Lightweight: Weighs only 1.9 kg for easy handling and reduced fatigue.
- Multi-functional: Includes interchangeable nozzles for leaf blowing and inflation tasks.
- Long-lasting Battery: Comes with an 18V 4.0Ah battery providing 30-40 minutes of run time.
- Fast Charging: The included charger fully recharges the battery in approximately two hours.

2. Safety Instructions
Always follow basic safety precautions when using electric tools to reduce the risk of fire, electric shock, and personal injury.
General Safety:
- Read All Instructions: Familiarize yourself with the controls and proper use of the tool.
- Wear Eye Protection: Always wear safety glasses or goggles when operating the blower.
- Wear Hearing Protection: Prolonged use may require ear protection.
- Dress Properly: Do not wear loose clothing or jewelry that can get caught in moving parts. Wear sturdy footwear.
- Keep Area Clear: Ensure the work area is free of bystanders, children, and pets.
- Inspect Before Use: Check for damaged parts, loose connections, or any other condition that may affect operation.
- Do Not Operate in Rain: Avoid using the blower in wet conditions or rain.
- Avoid Accidental Starting: Ensure the switch is in the OFF position before inserting the battery pack.
- Use Only Recommended Accessories: Using non-recommended accessories may result in injury.
Battery Safety:
- Charge Only with Specified Charger: Use only the charger provided by HYCHIKA for this product.
- Do Not Incinerate Battery: Batteries can explode in a fire.
- Do Not Disassemble Battery: Never attempt to open the battery pack for any reason.
- Store Properly: Store battery packs away from metal objects that could short the terminals.
- Dispose of Batteries Responsibly: Follow local regulations for battery disposal.
3. Package Contents
Carefully unpack your HYCHIKA 18V Cordless Leaf Blower and check that all items are present and in good condition. If any items are missing or damaged, please contact your retailer.
- 1 x Leaf Blower Unit
- 2 x Air Duct Sections (Blow Pipe and Extension Pipe)
- 1 x 18V 4.0Ah Battery
- 1 x Charger
- 1 x Inflatable Adapter
- 1 x 3-in-1 Inflation Nozzle Set
- 1 x Instruction Manual

4. Setup
4.1 Charging the Battery
- Connect the charger to a standard power outlet.
- Slide the 18V 4.0Ah battery into the charger.
- The indicator lights on the charger will show the charging status. A full charge typically takes about 2 hours.
- Once fully charged, remove the battery from the charger.

4.2 Assembling the Blower
- Attach Air Duct Sections: Connect the blow pipe (31 cm) to the main blower unit. For extended reach, attach the extension pipe (28 cm) to the blow pipe. Ensure they click securely into place.
- Insert Battery: Slide the charged 18V 4.0Ah battery into the battery slot on the blower handle until it locks. The battery indicator on the blower will show the current charge level.
- Attach Nozzle: For blowing tasks, ensure the standard blow nozzle is securely attached to the end of the air duct.

5. Operating Instructions
5.1 Basic Operation (Blowing)
- Ensure the battery is fully charged and securely inserted.
- Hold the blower firmly with one hand on the handle.
- Press the power trigger to start the blower. Release the trigger to stop.
- Direct the nozzle towards the debris you wish to clear. Use a sweeping motion to gather leaves and other materials.
- The blower is designed for quick and quiet clean-up, offering a blow speed of up to 62 M/S and an air volume of up to 1.53 M³/MIN.


5.2 Inflation Function
- Disassemble Air Duct: Remove the air duct sections from the main blower unit.
- Attach Inflatable Adapter: Connect the inflatable adapter to the blower's air outlet.
- Attach Inflation Nozzle: Select the appropriate 3-in-1 inflation nozzle for your item (e.g., swing rings, air cushions, inflatable toys) and attach it to the inflatable adapter.
- Inflate: Press the power trigger to start the blower and inflate the item. Monitor the inflation to prevent over-inflation.
5.3 Wide Applications
The HYCHIKA leaf blower is versatile and can be used for:
- Leaf Blowing: Clearing leaves and debris from yards, driveways, and patios.
- Snow Blowing: Light snow removal from pathways.
- Woodwork Clean-up: Removing sawdust and wood chips from work areas.
- Grass Blowing: Clearing grass clippings after mowing.
- Inflator Pump: Inflating various items like pool toys, air mattresses, and more.

6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your tool.
6.1 Cleaning
- After Each Use: Disconnect the battery. Use a soft brush or cloth to clean the exterior of the blower and air ducts.
- Clear Air Vents: Ensure the air vents are free from dust and debris to prevent overheating. Do not use water or solvents.
6.2 Battery Care
- Storage: Store the battery in a cool, dry place away from direct sunlight and extreme temperatures.
- Long-term Storage: If storing for extended periods, charge the battery to approximately 50% and recharge every 3-6 months to maintain battery health.
6.3 Storage
- Store the blower and its accessories in a dry, secure location, out of reach of children.
- Ensure the battery is removed from the blower before storage.
7. Troubleshooting
If you encounter issues with your HYCHIKA leaf blower, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Blower does not start | Battery not charged or not inserted correctly. | Ensure battery is fully charged and securely clicked into place. |
| Reduced blowing power | Low battery charge; air vents or nozzle obstructed. | Recharge battery. Clear any obstructions from air vents or nozzle. |
| Blower stops during operation | Battery depleted; motor overheating. | Recharge battery. Allow blower to cool down if it feels hot. Ensure air vents are clear. |
| Unusual noise or vibration | Loose components; foreign object inside. | Turn off and remove battery. Inspect for loose parts or foreign objects. If problem persists, contact support. |
If the problem persists after attempting these solutions, please contact HYCHIKA customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | HYCHIKA |
| Model Number | MJ7002 |
| Certification | CE |
| Origin | Mainland China |
| Power Type | DC Current |
| Motor Type | Permanent Magnet DC Motor (Series 775) |
| Input Power | 250 W |
| Housing Material | PP + GF30 |
| Air Channel Material | PP |
| Battery Voltage | 18V |
| Battery Capacity | 4.0Ah |
| Charging Time | Approx. 2 hours |
| Run Time (Full Charge) | 30-40 minutes |
| Motor Speed | Up to 14600 RPM |
| Blow Speed | Up to 62 M/S |
| Air Volume | Up to 1.53 M³/MIN |
| Product Weight | 1.9 kg |
| Blower Unit Length | Approx. 46 cm |
| Blower Unit Height | Approx. 18 cm |
| Blow Pipe Length | 31 cm |
| Extension Pipe Length | 28 cm |
| Nozzle Width | 4.8 cm |

9. User Tips
While no specific user reviews or Q&A were provided, here are some general tips to enhance your experience with the HYCHIKA 18V Cordless Leaf Blower:
- Optimize Battery Life: For larger tasks, consider having a spare charged battery to avoid interruptions.
- Start with Dry Debris: The blower is most effective on dry leaves and light debris. For wet or heavy materials, a rake might be more efficient.
- Work in Sections: Divide large areas into smaller sections to manage debris more effectively.
- Use Appropriate Nozzle: The narrower nozzles provide a more concentrated airflow for stubborn debris, while wider nozzles are good for general clearing.
- Inflator Use: When using the inflation function, always monitor the item being inflated to prevent over-inflation and potential damage.
10. Warranty and Support
HYCHIKA products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official HYCHIKA website. Please have your model number (MJ7002) and purchase date ready when contacting support.





