Agricultural Sprayer Drone Maintenance Guide: How to Keep Your Drone in Top Shape

Introduction

Agricultural drones have become an essential part of modern farming. For saving time to improve coverage, they’re helping operators work smarter and more efficiently. But like any high-performance tool, sprayer drones require consistent care. Whether you’re flying the Talos T60X, DJI Agras T50, or a similar model, regular maintenance ensures your drone stays reliable, accurate, and ready for action. 

Let's take a closer look at what every drone operator should be doing to keep their equipment in top condition.

Clean the Sprayer System After Every Flight

Sprayer drones work with powerful chemicals that, if left in the system, can cause corrosion or clogs over time. After each flight, the spray tank and lines should be thoroughly flushed with clean water. It's also a good idea to run the pump with water to ensure that the entire system is cleared out. If your drone has nozzle filters, these should be removed and rinsed as well. For operators running long days, using a neutralizing solution or tank cleaner at the end of the day will help prevent residue buildup and protect your spray components over time.

Inspect Nozzles and the Spray System

Nozzles play a key role in ensuring even coverage and accurate application. Take time to inspect them for cracks, blockages, or wear. If a nozzle is spraying unevenly or showing signs of physical damage, swap it out for a new one.

Along with the nozzles, check your spray system's hoses, connectors, and tank for any visible leaks or signs of wear. Make sure every component is secure and free from stress cracks, especially after high-pressure cleanouts or transport. These routine inspections catch problems before they become expensive repairs.

Handle Drone Batteries With Care

Your drone's batteries are just as important as its motors or spray system. They power everything, and when they’re not cared for, they wear out faster than they should. 

Batteries should always be stored in a cool, dry place; ideally at about 50 to 60 percent charge if you won’t be flying for a while. Avoid charging right after a flight; let them cool first, avoid stressing the cells, and during long spraying jobs, rotate your batteries to prevent overheating or voltage drops.

Proper charging and storage will help you get the most out of your batteries over time.  

Keep Propellers, Arms, and Frame in Check

Before and after each flight, scan your drone's arms, propellers, and frame for signs of damage. Even a small chip in a propeller can throw off balance, leading to vibrations, instability, or stress on the motors. 

Make sure all folding arms lock into place tightly and that there’s no play or bending at hinges. During seasonal use, environmental exposure like dust, moisture, and UV can cause wear that’s easy to overlook. Staying on top of visual checks helps keep your drone flying safely and efficiently. 

Clean Motors and Sensors Regularly

Dust, crop, residue, and moisture can affect your drone's motor housings, cooling systems, and sensors. Use a soft brush or dry cloth to wipe around the motors after each flying session, especially in dusty or humid regions. 

Gimbal cameras, radar sensors, and obstacle avoidance systems should also be kept clean for accurate flight navigation. A microfiber cloth works well for wiping lenses and sensor covers without scratching them. 

Pre- and Post-Flight Routines Matter

A few minutes of attention before and after flying can prevent costly mistakes. Before takeoff, confirm your GPS signal is locked, the IMU is calibrated, and the firmware is up to date. Double-check for any loose parts of error messages in your flight app.

Once you land, do a quick walkaround. Look for leaks, loose arms, worn propellers, or battery swelling. Logging your flight data and noting any issues helps with future troubleshooting and long-term maintenance planning.

Tools and Spare Parts Every Operator Should Keep

Having the right parts and tools on hand can be the difference between a quick fix and extended downtime in the middle of a job. We recommend keeping the following on-site or in your service vehicle:

  • Extra propellers

  • A complete set of nozzles

  • Gaskets and sealing rings for the spray system

  • Backup batteries (properly cycled and labeled)

  • Motor cover screws and Allen wrenches

  • Cleaning brushes and microfiber cloths

  • A portable compressor or air duster

These basics allow you to perform minor repairs or swaps in the field. If you’re comfortable making these adjustments and have reviewed your drone’s repair guide, great, just take your time and always power down before beginning any work.

When to Contact Talos Drones or a Certified Dealer

Not every issue should be handled on your own. If your drone experiences a crash, shows abnormal flight behavior, or throws persistent sensor or power errors, it's best to pause operations. Contact the Talos Tech Team or your nearest certified DJI or Talos Drones dealer maintenance facility. We can walk you through diagnostics or schedule a professional repair to ensure your drone stays safe and fully operational. 

Keep Your Drone Reliable All Season Long 

Your drone is a big investment and a critical part of your workflow. Taking just a few minutes each day to inspect, clean, and maintain it can save hours of downtime later. Whether you’re running daily missions or preparing for peak season, proper care ensures your drone works as hard as you do. 

Need help with maintenance or crash recovery? Reach out to the Talos Tech Team or find your closest certified dealer. We’re here to keep you flying.