This article outlines the recommended maintenance cycle on the J100. Maintaining the drone is essential to ensure its safe operation and extend its lifespan.
Maintenance Inspection
- Cleaning and Dust Removal: Regularly clean the drone's body, propellers, and sensors to remove pesticide residue, dust, sand, and other debris using tools like soft brushes and cloths.
Use soft brushes, wipes, or other tools for cleaning. - Structural Maintenance: Inspect the drone structure for damage or wear, ensuring all screws are tightened. Replace aged or damaged propellers regularly.
- Hardware Inspection: Regularly check the drone's hardware components, including the perception system, motors, and FPV, to ensure normal operation and secure fastening.
- Software Updates: Update the drone's software promptly to obtain the latest features and fix known issues. Ensure you are using the latest firmware version and map data.
- Wiring Harness Maintenance: Wiring harnesses in the equipment are susceptible to bending and twisting. Regular inspection and maintenance are needed to ensure the functionality (connectivity) of the connecting wires.
Maintenance Guidelines
- Exterior Cleaning: The complex operating environment of plant protection operations can lead to pesticide and dust accumulation on the equipment's exterior. Clean promptly to prevent corrosion of components and ensure normal operation.
- Structural Inspection: Agricultural drones experience strong vibrations. Check bolts, buckles, rivets, and other connection points. If wear, damage, looseness, thread stripping, or rust is found, replace or apply lubricant promptly.
- Wearable Parts Replacement: Pesticides have varying degrees of corrosiveness. Parts in contact with pesticides (pipes, connectors, nozzles, flow meters, level gauges, etc.) should be inspected and replaced promptly.
- Drone Storage: Agricultural drones and accessories with electronic components should be stored in a dry, ventilated area, paying attention to moisture prevention.
J100 Recommended maintenance cycles for your drone:
Every 1-10 flights the following should be done.
The following maintenance focuses on the spraying system and radar system. Using high-concentration pesticides or powders is likely to clog the spraying system and obstruct the radar view, posing flight risks and affecting operational effectiveness.
- For every 10 flights, check the filter screen and pipes for blockages, and clean the filter screen.
- When using powders or viscous pesticides, it is recommended to use spray cleaning every 3 flights to remove pesticide residue from the water pipes and spray discs.
- When using powders or viscous pesticides, it is recommended to wipe the front radar with alcohol after each flight.
- Before takeoff, check if the propeller screws are loose.
- Before takeoff, check if the arm buckles can be fully fastened and if there is any looseness.
Every 20 hours or 100 flights the following should be done.
The following maintenance focuses on the drone's fixed components. During operation, the drone body experiences strong vibrations, and some screws may be corroded by pesticides, affecting overall stability.- Tighten propeller screws, motor fixing screws, and body screws, applying an appropriate amount of thread locker.
- Check the arms and replace them promptly if cracks are found.
- Check if the sensors are loose and tighten them if necessary.
- Inspect all components for damage (replace if necessary).
- Check if the wiring harness connectors are loose and tighten them if necessary.
- Apply an appropriate amount of lubricant to the buckle-fixed connecting rods.
Other Maintenance
1. During high-temperature operation, the power connection at the battery port may melt due to excessive current, posing a power risk. Adding custom copper busbars can enhance connectivity and current sharing, improve heat dissipation, and prevent tail plug overheating and disconnection.
2. PCBA Terminal boards on drone
High-temperature and prolonged operation in summer may lead to oxidation or pesticide residue on the j100 PCBA terminal boards before operation, check if this is blackened or shows signs of copper green due to oxidation or. If so, wipe it and clean the PCBA terminals. (These should be checked every time putting battery on for damage, cleanliness.
with a small amount of alcohol, as this can affect battery output and pose flight risks. If cleaning is not possible or deformation occurs, replace the body.(See phot below)
Click Here For article on cleaning and maintenance on PCBA terminal
3. Pump Assembly
During drone operation, high pesticide concentration or residual pesticide residue may clog the water pump, preventing
smooth pesticide outflow. Cleaning and maintenance are thus required.
Click Here for article/video on cleaning your pumps
If the pump impeller cannot rotate for more than one revolution, try replacing the ceramic bearings and rubber pads. If it still cannot rotate for more than one revolution, replace the impeller assembly.(See phots below) 
Click to go to store for J100 Pump assembly
Focus on cleaning the following areas: water pipe connections, the top of the pump, the upper and lower parts inside the pump, and the water tank filter.
Battery Maintenance
Battery maintenance your is crucial for ensuring its health, safety, and optimal performance. Proper maintenance not only guarantees safe operation but also enhances flight endurance.
- Avoid Over-Discharging/Charging: Avoid completely discharging or charging the battery. Recharge/discharge when the battery level is below/above a certain
threshold. Over-discharging/charging can damage battery capacity and lifespan. - Regularly Check Battery Status: Periodically check the battery level and status to ensure normal operation. Inspect the positive and negative copper busbars for oxidation or other abnormalities, and clean or replace them if necessary. Check the screws on the battery's top and bottom covers for tightness.
- Temperature Management: Avoid exposing the battery to extreme temperatures. Keep it within the recommended temperature range. Excessively high or low temperatures can affect battery performance and lifespan.
- Low temperatures can reduce battery activity. For low-temperature use, preheat the battery to 40 degrees Celsius at half load.
- Ensure the battery firmware is up-to-date and perform a full load test to check the voltage difference and confirm normal battery status.
- Avoid unplugging the battery during charging, as this can shorten its lifespan.
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