Centrifugal Nozzle Inspection of the DJI Agras T50 Drone

Inspecting Centrifugal Nozzles on the Agras T50

1. Remove Spray Rod

   • Unscrew the spray rod fixing nut.
   • Disconnect the hose and cable in the end of the arm.
   • Remove the spray rod from the drone completely.
2. Remove the Centrifugal Motor 

   • Take out three 2.5mm screws from the top of the motor to drop it out.

3. Disconnect Hose

   • Disconnect the hose from the motor lower cover and separate the pieces.

4. Separate Lower Cover

   • Remove three 2mm screws to separate the lower cover from the motor.

5. Inspect Motor Components

   • Check motor sealing ring and centrifugal valve rubber pad for corrosion, pinching, or buildup.

   • Spin the shaft to ensure it's not damaged.

   • Inspect lower cover for damage or clogs.

6. Inspect Solenoid

   • Check the plug on the solenoid for damage or corrosion.

   • Physically inspect for any dents or damage.

7. Check Nozzle

   • Ensure there is no buildup in the nozzle and clean if necessary.

8. Inspect Plug

   • Verify if the plug is still sealed from the factory, indicating the original motor.

   • If needed, open the plug to check for buildup or corrosion.

9. Maintenance Schedule

   • DJI recommends replacing motors and cylinders at 700 flight hours.

   • Monthly maintenance is advised for these inspections.