1. Introduction
The JIS LV30L is a high-performance multi-rotor agricultural drone designed for efficient pesticide spraying and plant protection. Featuring a robust carbon fiber and aluminum alloy construction, it is capable of carrying a heavy load of up to 30KG, making it suitable for large-scale agricultural applications. This manual provides essential information for the safe and effective assembly, operation, and maintenance of your LV30L drone.

2. Product Overview
2.1. Components
The LV30L drone is delivered as a kit requiring assembly. The main components include:

- Fuselage Assembly: 1 unit
- Arm Assembly: 4 units
- Landing Gear Bent Tube: 2 units
- Landing Gear Cross Tube: 1 unit
- Frame Tee Joint: 2 units
- Landing Gear Pad: 4 units
- Medicine Box (Tank): 1 unit (30L liquid tank or 40L granular spreader)
- Water Pipe: 2 units
- Screw Parts Package: 1 unit
Optional power system components (if included in your package):

- Propeller CW: 2 units
- Propeller CCW: 2 units
- Motor CW: 2 units
- Motor CCW: 2 units
- Spraying System (e.g., nozzles, pumps): 4 units
2.2. Key Features
- Robust Construction: Utilizes an aluminum alloy truss structure for lightweight design and high rigidity, enhancing anti-fatigue performance and preventing deformation.
- Diagonal Folding Design: Allows for compact storage and convenient transportation, reducing space requirements.

Figure 4: Diagonal Folding Design - New Power System: Equipped with a new generation X11 G2 split design power system, featuring multiple protection mechanisms for enhanced flight safety.

Figure 5: X11 G2 Power System - Integrated Brushless Water Pump: Supports dual water pumps for efficient liquid delivery.
- New Tank Design: Features a 44mm large diameter for easy filling, anti-splash, and anti-pressure capabilities.

Figure 6: Key Features (Anti-scratch buckle, Integrated brushless water pump, Press-type lock, New tank design) - Plug-in Battery Socket: Supports multiple batteries with a multi-point precise engagement design for secure and easy connection.

Figure 7: Plug-in Battery Socket - Modular Design: Quick installation fixed bracket for various modules such as obstacle avoidance radar, terrain radar, and cameras.

Figure 8: Quick Installation Fixed Bracket - Spacious Internal Layout: Ample internal space for organized installation of flight controllers, RTK modules, and other essential electronics, ensuring tidy wiring and preventing interference.

Figure 9: Internal Installation Space
3. Setup Instructions
Follow these steps to assemble your JIS LV30L agricultural drone:
- Unpack Components: Carefully remove all components from the packaging and verify against the component list in Section 2.1.
- Assemble Frame:
- Connect the Arm Assemblies to the Fuselage Assembly using the Frame Tee Joints and appropriate screws. Ensure the anti-scratch buckles are properly engaged.
- Attach the Landing Gear Bent Tubes and Landing Gear Cross Tube to form the landing structure. Secure with screws and attach the Landing Gear Pads.
- Install Power System (if applicable):
- Mount the Motors (CW and CCW) onto the Arm Assemblies.
- Attach the Propellers (CW and CCW) to their respective motors. Ensure correct rotation direction.
- Install Electronics:
- Install your chosen Flight Controller (V9/K++ compatible) and RTK module into the designated internal space. Organize wiring neatly to prevent interference.
- If using, install optional modules like obstacle avoidance radar, terrain radar, or cameras onto the quick installation fixed brackets.
- Install Tank and Water Pipes:
- Securely mount the Medicine Box (liquid tank or granular spreader) to the drone frame.
- Connect the Water Pipes from the tank to the spraying system (if applicable), ensuring all connections are tight and leak-free.
- Battery Installation: Insert the 14S 30000mAh plug-in battery into its socket, ensuring a secure multi-point engagement.
- Pre-Flight Checks: Before first flight, perform a thorough visual inspection of all connections, screws, and components to ensure everything is securely fastened.
4. Operating Instructions
This section provides general guidance for operating the JIS LV30L drone. Always refer to the specific flight controller and remote control manuals for detailed operational procedures.
- Pre-Flight Preparation:
- Charge batteries fully.
- Fill the liquid tank with pesticide or the granular spreader with granules, ensuring the tank cap is securely fastened.
- Perform a visual inspection of the drone for any damage or loose parts.
- Ensure the flight area is clear of obstacles and people.
- Power On:
- Power on the remote controller first.
- Connect the drone battery.
- Wait for the drone and remote controller to establish a connection and for GPS lock (if applicable).
- Flight Operation:
- Calibrate the compass as per your flight controller's instructions.
- Take off slowly and maintain a safe altitude.
- Use the remote controller to navigate the drone over the target area.
- Spraying/Spreading Operation:
- Activate the spraying or spreading system via the remote controller as needed.
- Monitor the tank level and spray pattern.
- Landing:
- Return the drone to a safe landing zone.
- Land slowly and gently.
- Power Off:
- Disconnect the drone battery first.
- Power off the remote controller.
5. Maintenance
Regular maintenance is crucial for the longevity and safe operation of your drone.
- After Each Flight:
- Clean the liquid tank and water pipes thoroughly, especially after using pesticides, to prevent residue buildup and corrosion.
- Inspect propellers for any cracks, chips, or damage. Replace damaged propellers immediately.
- Check motors for any debris or signs of overheating.
- Wipe down the drone frame to remove dirt, dust, or chemical residues.
- Battery Care:
- Store batteries in a cool, dry place at recommended storage voltage.
- Avoid overcharging or over-discharging batteries.
- Inspect battery packs for any swelling or damage. Discontinue use if damaged.
- Periodic Checks:
- Inspect all screws and fasteners for tightness.
- Check wiring for any fraying or loose connections.
- Ensure all modular components (radars, cameras) are securely mounted.
6. Troubleshooting
If you encounter issues with your LV30L drone, consider the following common troubleshooting steps:
- Drone Fails to Power On:
- Ensure the battery is fully charged and correctly inserted into the plug-in socket.
- Check all power connections for secure contact.
- Loss of Control/Unstable Flight:
- Verify that the remote controller is properly linked and has sufficient battery.
- Check for strong electromagnetic interference in the flight area.
- Ensure propellers are undamaged and correctly installed.
- Recalibrate the flight controller and compass as per its manual.
- Spraying System Malfunction:
- Check for blockages in the water pipes or nozzles.
- Ensure the water pump is functioning and receiving power.
- Verify the liquid tank has sufficient fluid.
- General Issues:
- Always refer to the specific manuals for your flight controller and remote control for detailed troubleshooting.
- Contact technical support if the issue persists.
7. Specifications
Key technical specifications for the JIS LV30L agricultural drone:

| Parameter | Value |
|---|---|
| Brand Name | jongkhurun |
| Model | LV30L |
| Material | Carbon Fiber, Aluminum Alloy |
| Origin | Mainland China |
| Recommend Age | 14+ years |
| Certification | CE |
| For Vehicle Type | Airplanes (Agricultural Drones) |
| Remote Control Peripherals/Devices | Remote Controller |
| RC Parts & Accs | Motors |
| Unfolded Dimensions (L x W x H) | 1370 x 1300 x 715 mm |
| Folded Dimensions (L x W x H) | 665 x 800 x 715 mm |
| Center Wheelbase | 1700 mm |
| Frame Weight (excluding motor, battery) | 9.25 kg |
| Arm Diameter | 45 mm |
| Liquid Tank Capacity | 30 L |
| Granular Spreader Capacity | 40 L |
| Flight Control Support | V9/K++ |
| Power System Support | X11 G2 |
| Propeller Size | 43 inch |
| Battery Support | 14S 30000mAh (plug-in type) |
| Maximum Take-off Weight | 60 kg |
8. User Tips
- Verify Package Contents: Upon receiving your drone, carefully check all components against the provided list to ensure completeness, especially if ordering a full spraying drone kit.
- Pre-Flight Checks are Essential: Always perform a thorough visual inspection and functional check before each flight to ensure all parts are secure and systems are operational.
- Clean After Use: Promptly clean the liquid tank and spraying system after each use, particularly with corrosive chemicals, to prevent damage and extend the lifespan of components.
9. Warranty and Support
For warranty information, technical support, or any inquiries regarding your JIS LV30L agricultural drone, please contact the seller directly. Ensure you retain your purchase records for any warranty claims.