dji AGRAS T40 / T20 P Manual

Payload - Spraying System

Equipped with the 2-channel electromagnetic flow meter and continuous liquid level gauge, the spraying system provides users with accurate control of the magnetic drive impeller pumps and dual atomized sprinklers.

Optional Payload - T40/T20P Spreading System

Introduction

The T40/T20P Spreading System is compatible with the Agras T40/T20P aircraft with a large spread tank of 70 L and 35 L, respectively, and offers efficient and reliable spreading.
The spreading system has a built-in stirring device to prevent material blockages and improve operating accuracy and reliability. The control module on the spreading system and the weight sensors on the aircraft monitor the weight of the remaining material in the spread tank in real-time to improve the accuracy of the spread rate control and empty tank warnings. The included fenders can block spreading material that flies upward and prevent it from damaging the propellers. The quick-release hopper gate allows for easy maintenance.
Users can configure spreading settings in the DJI Agras app and create specific templates for different materials in order to meet different requirements. The app also provides warning prompts for an empty tank as well as for abnormalities in rotational speed, temperature, and hopper outlet size.

Installation

• Make sure to remove the Intelligent Flight Battery from the aircraft before installation.
• Operate with caution to avoid injury caused by sharp or moving mechanical parts.
• Check the parts on the aircraft and spreading system after installation to make sure that the spinner disk will not damage the cables or any other part during operations.

The T40 Spreading System and T20P Spreading System are similar in appearance, but the spread tanks are different sizes. Unless otherwise specified, the illustrations in this document use the T40 Spreading System as an example.

1. On the aircraft, locate the hoses on either side of the spray tank. Loosen the nut on the hose , take the hose out of the hose clamp , rotate the clamp , and connect the hose to the protrusion on the clamp .
   
   Note: After the hose is removed, make sure to tighten the hose nut on the spray tank hose connector to avoid losing the nut.
2. Locate the spraying system cable in front of the right landing gear on the aircraft. Unplug the cable from the connector. Operate with caution to avoid damaging the cable.
   
3. Lift and remove the spray tank on the aircraft.
   
4. Insert the spreading system into the aircraft.
   
5. Connect the spreading system cable to the connector in step 2 and ensure a firm and accurate connection.
   

Specifications

1. The aircraft firmware must support the spreading system. Check the release notes of the corresponding aircraft on the official DJI website.
2. The DJI Agras app will intelligently recommend the payload weight limit for the spread tank according to the current status and surroundings of the aircraft. Do not exceed the recommended payload weight limit when adding material to the spread tank. Otherwise, the flight safety may be affected.

T40/T20P Drone Recommended Maintenance Cycle

FAR Remote ID Compliance Information

The aircraft complies with the requirements of 14 CFR Part 89:

• The aircraft automatically initiates a pre-flight self-test (PFST) of the Remote ID system before takeoff and cannot take off if it does not pass the PFST^[1]. The results of the PFST of the Remote ID system can be viewed in a DJI flight control app such as DJI Agras.
• The aircraft monitors the Remote ID system functionality from pre-flight to shut down. If the Remote ID system malfunctions or has a failure, an alarm will be displayed in a DJI flight control app such as DJI Agras.
• The user shall keep the DJI flight app running in the foreground and always allow it to obtain the location information of the remote controller.

Footnotes

1. The pass criterion for PFST is that the hardware and software of the Remote ID required-data source and transmitter radio in the Remote ID system are functioning properly.

DJI Support
http://www.dji.com/support