dji AGRAS T40 Aircraft Flight Manual
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dji AGRAS T40 Aircraft Flight Manual

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AGRAS T40
(Type: DJI-3WWDZ-40A)
AGRAS T20 P
(Type: DJI-3WWDZ-20A)
Unmanned Aircraft Flight Manual
v1.0
2022.08

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  • Page 1 AGRAS T40 (Type: DJI-3WWDZ-40A) AGRAS T20 P (Type: DJI-3WWDZ-20A) Unmanned Aircraft Flight Manual v1.0 2022.08...
  • Page 2 This document is copyrighted by DJI with all rights reserved. Unless otherwise authorized by DJI, you are not eligible to use or allow others to use the document or any part of the document by reproducing, transferring or selling the document.
  • Page 3 Read the corresponding Intelligent Flight Battery user guide and take necessary precautions when handling the batteries to ensure your own safety. DJI assumes no liability for damage or injury incurred directly or indirectly from misusing batteries. Using This Manual...

  • Page 4: Table Of Contents

    Calibrating the Flow Meter Calibrating the Compass Takeoff/Landing Cruise / Maneuvering Flight System Shutdown Post-Flight Inspection Emergency Procedures General Information Engine Failure Fire Loss of C2 Link Loss of Navigation Systems Control Station Failures Flyaway Reporting Requirements © 2022 DJI All Rights Reserved.
  • Page 5 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Weight and Balance and Equipment List Handling, Servicing and Instructions for Maintenance and Continued Airworthiness Ground Handling Disassembly, Storage, and Reassembly Charging / Conditioning / Replacing Batteries Maintenance Program Supplements Specifications Operation Resumption...

  • Page 6: General Information And System Description

    General Information and System Description Introduction The Agras T40 and Agras T20P have a truss-style design with arms that can be folded to reduce the body size, making the aircraft easier to transport. The all-new integrated spraying system can quickly be swapped with a spreading system. The spreading payload of the T40 has increased to 50 kg for more efficient spreading.

  • Page 7: Aircraft

    DJI RC Plus remote controller. With the built-in revamped DJI Agras app, the payload for each flight is maximized through intelligent route planning for greater efficiency. [1] Must be used with a DJI D-RTK 2 High Precision GNSS Mobile Station (sold separately) or a DJI-approved Network RTK service.
  • Page 8 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Aircraft Overview Rear View Folded 1. Propellers 10. Delivery Pumps 18. Landing Gear 2. Motors 11. FPV Camera 19. OcuSync Image Transmission Antennas 3. ESCs 12. Binocular Vision System 20. Onboard D-RTK 4. Aircraft Front Indicators 13.
  • Page 9 AGRAS T40/T20 P Unmanned Aircraft Flight Manual T20P Rear View Folded 1. Propellers 10. Delivery Pumps 18. Landing Gear 2. Motors 11. FPV Camera 19. OcuSync Image Transmission Antennas 3. ESCs 12. Binocular Vision System 20. Onboard D-RTK 4. Aircraft Front Indicators 13.
  • Page 10 D-RTK antennas. Dual-antenna technology provides strong resistance against magnetic interference. Communications Equipment The aircraft boasts two OcuSync image transmission antennas and DJI O3 Agras image transmission system, offering a maximum transmission range of 7 km for communication with the remote controller. FPV Module Equipped with the UHD FPV camera with a tiltable gimbal, the aircraft can automatically collect HD field images for local offline reconstruction to assist in precise field planning.
  • Page 11 AGRAS T40/T20 P Unmanned Aircraft Flight Manual The binocular vision system is enabled automatically when the aircraft is in use. Terrain follow and bypassing functions need to be enabled in the app before use. In Route and A-B Route operation modes, users can enable the terrain follow and bypassing functions for different terrain types.
  • Page 12 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 2. The aircraft immediately brakes and hovers if it detects an obstacle nearby. Users cannot control the aircraft while it is braking. Users can fly in a direction away from the obstacle to regain full control of the aircraft.
  • Page 13 Maintain full control of the aircraft at all times and do not rely completely on the radar module and DJI Agras app. Keep the aircraft within VLOS at all times. Use your discretion to operate the aircraft manually to avoid obstacles.

  • Page 14: Control Station

    Control Station Profile The DJI RC Plus remote controller is used as a control station. The remote controller features DJI O3 Agras, the latest version of the signature OcuSync image transmission technology, with a maximum transmission distance of 7 km (at an altitude of 2.5 m).
  • Page 15 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Remote Controller Overview 6. Back Button Press once to return to the previous screen. Press twice to return to the home screen. Hold the back button and press another button to activate button combinations. Refer...
  • Page 16 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 18. Spray/Spread Button 26. Right Dial Press to start or stop spraying/spreading in Turn to adjust the tilt of the FPV camera. Manual operation mode. 27. Scroll Wheel (reserved) 19. Flight Mode Switch 28.
  • Page 17 4. Repeat Step 2 to power off the remote controller. Charging the Batteries 1. Use the DJI 65W Portable Charger to charge both the internal and external batteries simultaneously. Power Outlet (100-240 V, 50/60 Hz) Use the provided charger to charge the remote controller. Otherwise, use a locally certified USB-C charger with a maximum rated power and voltage of 65 W and 20 V.
  • Page 18 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Operating the Aircraft This section explains how to control the orientation of the aircraft through the remote controller. Control can be set to Mode 1, Mode 2, or Mode 3. Mode 1 Left Stick...
  • Page 19 AGRAS T40/T20 P Unmanned Aircraft Flight Manual For example, the following description uses Mode 2: Remote Controller Aircraft ( Indicates nose Remarks (Mode 2) direction) Throttle Stick: Move the left stick vertically to control the elevation of the aircraft. Push up to ascend and push down to Left Stick descend.
  • Page 20 In Manual operation mode, press to start or stop spraying. 3. FPV/Map Switch Button In Operation View in DJI Agras, press to switch between FPV and Map View. 4. Right Dial When the aircraft is not performing a Mapping operation, turn the dial to adjust the tilt of the FPV camera.
  • Page 21 AGRAS T40/T20 P Unmanned Aircraft Flight Manual The aircraft still begins in N-mode by default after powering on, even though A-mode was enabled in the app beforehand. When A-mode is required, toggle the Flight Mode switch as mentioned above after powering on the remote controller and aircraft.
  • Page 22 The remote controller vibrates or beeps to issue an error alert or warning. For detailed information, see the real-time prompts on the touchscreen or in the DJI Agras app. To disable some alerts, slide down from the top and select Do Not Disturb in Quick Settings.
  • Page 23 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 3. Press and hold the power button on the Intelligent Flight Battery for five seconds. The Intelligent Flight Battery LEDs blink in sequence, indicating that the linking is in progress. 4. The Status LED on the remote controller glows solid green if linking is successful. If linking fails, enter linking status again and retry.
  • Page 24 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Quick Settings Slide down from the top to enter Quick Settings. 3:05 PM Notifications Apr 18, 2022 Mondy Record Screen Wi-Fi Bluetooth Do Not Dis Screenshot Mobile dat Airplane mo 1. Notifications Tap to view system or app notifications.
  • Page 25 Settings, Display, and then Advanced HDMI. DJI Agras App (Information Display and User Interface) DJI Agras is designed for agricultural applications. The app has a clear and concise interface and displays the status of the aircraft, spraying system, and other devices connected to the remote controller, and enables users to configure various settings.
  • Page 26 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 4. Troubleshooting : view solutions for errors of each module and upload error logs. 5. Notification Center : check notifications about any changes to the aircraft, users, or operations. 6. General Settings : tap for settings such as units of measurement, network diagnosis, and Android system settings.
  • Page 27 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 2. FPV Camera View Displays the live view from the FPV camera. Tap to switch between the Map View and Camera View. 3. Upward Obstacle Indicator If upward obstacle avoidance is enabled, a red zone will appear on the top of the screen when an obstacle is detected including the distance from the obstacle.

  • Page 28: Command And Control Link

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual Command and Control Link The command and control (C2) link between the aircraft and remote controller is established using DJI O3 Agras transmission technology with the two OcuSync antennas on the aircraft and DJI O3 Agras image transmission system, offering a maximum transmission range of 7 km.

  • Page 29: Performance And Limitations

    Max Service Ceiling Above Sea Level 4500 m Max Flight Range 2000 m * The endurance is tested in laboratory environment and is for reference only. The endurance under actual operating conditions will be reduced. © 2022 DJI All Rights Reserved.

  • Page 30: Prohibited Maneuvers

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual Prohibited Maneuvers The following actions are prohibited. 1. Be under the influence of alcohol, drugs, or anesthesia, or suffering from dizziness, fatigue, nausea, or any other conditions, whether physical or mental, that could impair your ability to operate the aircraft safely.
  • Page 31 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Aircraft Front Front Center of Gravity 768.1 mm Rear Center of Gravity 828.6 mm Wheelbase L1 1453 mm Aircraft Front Center of Gravity Without Load © 2022 DJI All Rights Reserved.
  • Page 32 AGRAS T40/T20 P Unmanned Aircraft Flight Manual T20P Aircraft Front Front Center of Gravity 755.8 mm Rear Center of Gravity 806 mm Wheelbase L1 1425 mm Aircraft Front Center of Gravity Without Load © 2022 DJI All Rights Reserved.

  • Page 33: Applicable Environmental Limitations

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual Applicable Environmental Limitations 1. DO NOT use the aircraft in adverse weather conditions such as winds exceeding 6 m/s, rain, snow, or fog. 2. Aircraft and battery performance is subject to environmental factors such as air density and temperature.

  • Page 34: Normal Procedures

    7. DO NOT fly more than 4500 m above sea level. 8. The DJI Agras app will intelligently recommend the payload weight limit for the tank according to the current status and surroundings of the aircraft. Do not exceed the recommended payload weight limit when adding material to the tank.
  • Page 35 Restricted Zone, please go to https://www.dji.com/flysafe or contact flysafe@dji. com to unlock the zone. DJI GEO Zones aim to ensure the user’s flight safety, but it cannot be guaranteed to be in full compliance with local laws and regulations. Users should check local laws, regulations, and regulatory requirements before each flight and are responsible for the flight safety.
  • Page 36 AGRAS T40/T20 P Unmanned Aircraft Flight Manual With a strong GNSS signal Flight Limits Max Height Flight altitude must be below the preset height. Max Radius Flight distance must be within the max radius. With a weak GNSS signal Flight Limits Max Height Flight altitude must be below the preset height.

  • Page 37: Radio Frequency Environment

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual When the GNSS signal is strong, the aircraft approaches the boundary of the Altitude Zone. If it is higher than the altitude limit, the aircraft decelerates and hovers in place. Altitude Zone When the GNSS signal changes from weak to strong, the app starts a 100-second countdown.

  • Page 38: System Assembly

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual System Assembly Preparing the Aircraft 1. Unfold the M3 and M4 arms, and fasten the two arm locks. Avoid pinching fingers. 2. Unfold the M1 and M2 arms, and fasten the two arm locks. Avoid pinching fingers.
  • Page 39 Dongle related functions are not supported in some countries or regions. Comply with the local laws and regulations. Only use a DJI-approved dongle (name: DJI Cellular Dongle (LTE USB Modem), model: IG830/ IG830E). The dongle and nano-SIM card enable the remote controller to access specific networks and platforms such as DJI Agras Intelligent Cloud.

  • Page 40: Pre-Flight Checklist

    When adding points with the remote controller to plan the operation area, attach the RTK dongle connector (for DJI RC Plus) and RTK dongle to the remote controller for more precise positioning. 1. Mount the RTK dongle connector to the USB-A port on remote controller and tighten the two screws.

  • Page 41: System Starting

    2. Press the power button on the Intelligent Flight Battery and then press and hold to power on the aircraft. 3. Check the home screen in DJI Agras to make sure that the aircraft is connected to the remote controller.

  • Page 42: Calibrating The Compass

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual Calibrating the Compass It is important to calibrate the compass. The calibration result affects the flight safety. The aircraft may malfunction if the compass is not calibrated. DO NOT calibrate the compass where there is a chance of strong magnetic interference. This includes areas where there are utility poles or walls with steel reinforcements.
  • Page 43 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Takeoff Perform a Combination Stick Command (CSC) and push the throttle stick up to take off. Throttle Stick (left stick in Mode 2) Landing To land, pull down on the throttle stick to descend until the aircraft touches the ground. There are two methods to stop the motors.

  • Page 44: Cruise / Maneuvering Flight

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual Cruise / Maneuvering Flight Operating the Aircraft This section explains how to control the orientation of the aircraft through the remote controller. Control can be set to Mode 1, Mode 2, or Mode 3. For example, the following description uses Mode 2:...
  • Page 45 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Flight Modes The aircraft will fly in N-mode (Normal) by default. Users can switch between flight modes by toggling the Flight Mode switch on the remote controller when A-mode is enabled in the app.
  • Page 46 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 8. Tap and move the slider to launch the aircraft. The aircraft will fly automatically along the route to perform the mapping task. Check the progress on the upper right of the screen in the app.
  • Page 47 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 2. Tap on the bottom right and tap in the middle of the right screen to select the mode for adding points and the type of point. The following description uses Crosshair as an example.
  • Page 48 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 2. Tap Start on the home screen of the app to enter Operation View. Tap the mode switch button on the upper left and select Route in the Agriculture panel. 3. Tap on the left and select a field in the field list.
  • Page 49 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Only take off in open areas and set an appropriate auto-takeoff height according to the operating environment. The operation is automatically cancelled if the motors are started before beginning the operation. You will need to recall the operation in the task list.
  • Page 50 AGRAS T40/T20 P Unmanned Aircraft Flight Manual …… …… Route L Route R L5’ R5’ L4’ R4’ L1’ R1’ …… …… - - - - Route Spacing L2’ R2’ L3’ R3’ Turning Point L6’ R6’ Legend Route L ’ Route R ’...
  • Page 51 AGRAS T40/T20 P Unmanned Aircraft Flight Manual The aircraft sprays automatically when flying from Point A to Point B. Points A and B cannot be recorded if the spray tank is empty or the flying speed of the aircraft is higher than 0.4 m/s.
  • Page 52 Cloud or importing it from a microSD card and use the operation in Fruit Tree operation mode. Download/Import Fruit Tree Operations Information 1. Download from DJI Agras Intelligent Cloud: Go to the home screen in the DJI Agras app and tap to enter the task management screen. Tap and select desired Fruit Tree operations in the pop-up window and download.

  • Page 53: System Shutdown

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual 6. Connection Point: Drag the map and tap Connection Point on the right to add a connection point at the crosshairs. Connection points and Connection Routing can be used to adjust the connection route to circumvent obstacles that were not marked during field planning.

  • Page 54: Emergency Procedures

    Home Point: The default home point is the first location where your aircraft received strong GNSS signals . Note that the white GNSS icon requires at least four bars before the signal is strong. RTH: RTH brings the aircraft back to the last recorded home point. © 2022 DJI All Rights Reserved.
  • Page 55 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Failsafe RTH The aircraft will RTH or hover if the remote controller signal is lost. The action can be set in the app. Failsafe RTH will only be available if RTH is set.

  • Page 56: Loss Of Navigation Systems

    GNSS signal. Reporting Requirements Users are responsible to inform DJI of any event of an uncontrolled crash or flyaway within 2 business days through DJI Support, a DJI authorized dealer, or other means and shall upload the flight data related to the event. See the instructions of flight data upload from https://youtu.be/X8sVce69z5g...

  • Page 57: Weight And Balance And Equipment List

    The tank, propellers, and sprinklers on the aircraft can be disassembled. Follow the instructions below to disassemble, reassemble, and store them. Make sure to remove the Intelligent Flight Battery from the aircraft before disassembly and reassembly. Tank Disassembly © 2022 DJI All Rights Reserved.
  • Page 58 AGRAS T40/T20 P Unmanned Aircraft Flight Manual 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...
  • Page 59 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Propellers Disassembly 1. Remove the two M5×15 propeller blade screws using a proper hex key. 2. Remove the propeller adapter, the four Teflon gaskets, and two rubber washers above and under each propeller blade.
  • Page 60 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Storage Aircraft Storage 1. Keep the aircraft and parts clean and dry and store them in a cool dry place. Recommended storage temperature (when the tank, flow meter, pumps, and hoses are empty): between -20° and 40° C (-4°...

  • Page 61: Charging / Conditioning / Replacing Batteries

    1. Connect the battery to the charger. • If using Agras T40, connect the charging cable to the air-cooled heat sink before putting the battery into the heat sink. The charger starts to charge the battery. The four LEDs of the battery blink in sequence while charging.

  • Page 62: Maintenance Program

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual 3. Once charging is complete, the charging channel status LED on the charger will be solid green. Disconnect the battery from the charger. Users can also use the D12000i Multifunctional Inverter Generator or D6000i Multifunctional Inverter Generator to charge the flight battery.
  • Page 63 If you have any problems or questions, contact DJI Support or a DJI authorized dealer. 2. DO NOT attempt to repair the aircraft if any parts are damaged. Contact DJI Support or a DJI authorized dealer for professional maintenance services. The T40/T20P Drone Recommended Maintenance Cycle table in the Supplements section lists the recommended maintenance cycle and item maintenance performed by DJI authorized dealers only.

  • Page 64: Supplements

    Max Wind Resistance 6 m/s Operating Temperature 0° to 45° C (32° to 113° F) Propulsion System Motors Stator Size 100×33 mm 48 rpm/V Power 4000 W/rotor Propellers Diameter 54 in (1371.6 mm) Rotors Quantity © 2022 DJI All Rights Reserved.
  • Page 65 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Dual Atomized Spraying System Spray Tank Volume Full: 40 L Operating Payload Full: 40 kg Sprinklers Model LX8060SZ Quantity Droplet Size 50-300 μm Max Effective Spray Width 11 m (at a height of 2.5 m above the crops with a flight speed of 7 m/s)
  • Page 66 It is recommended to use a locally certified USB-C charger at a maximum Charging Type rated power of 65 W and maximum voltage of 20 V such as the DJI 65W Portable Charger. 2 hours for internal battery or internal and external battery (when remote...
  • Page 67 <10 dBm [1] 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.
  • Page 68 AGRAS T40/T20 P Unmanned Aircraft Flight Manual T20P Aircraft Model 3WWDZ-20A 26 kg (excl. battery) Weight 32 kg (inc. battery) Max takeoff weight for spraying: 52 kg (at sea level) Max Takeoff Weight Max takeoff weight for spreading: 58 kg (at sea level)
  • Page 69 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Sprinklers Model LX8060SZ Quantity Droplet Size 50-300 μm Max Effective Spray Width 7 m (at a height of 2.5 m above the crops with a flight speed of 7 m/s) Delivery Pumps Type...
  • Page 70 It is recommended to use a locally certified USB-C charger at a maximum rated Charging Type power of 65 W and maximum voltage of 20 V such as the DJI 65W Portable Charger. 2 hours for internal battery or internal and external battery (when remote controller...
  • Page 71 <10 dBm [1] 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.

  • Page 72: Operation Resumption

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual Operation Resumption When exiting a Route, A-B Route, or Fruit Tree operation, the aircraft will record a breakpoint. The Operation Resumption function allows the user to pause an operation temporarily to refill the spray tank, change the battery, or avoid obstacles manually.
  • Page 73 AGRAS T40/T20 P Unmanned Aircraft Flight Manual For Route operations that do not meet the conditions mentioned above, as well as operations in other modes, the return route is as follows. The default return route is to fly back to the breakpoint. Users can also select a return point from the list of return points and breakpoint on the screen, which means the aircraft will return to the task route following a perpendicular line.

  • Page 74: System Data Protection

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual The amount of selectable return points is related to the position of the aircraft. Select according to the app display. Make sure that the aircraft has completely avoided the obstacle before resuming operation.

  • Page 75: Return To Home (Rth)

    Refer to Emergency Procedures for more information about Failsafe RTH. Updating the Home Point You can update the home point in DJI Agras during flight. There are two ways to set a home point: 1. Set the current coordinates of the aircraft as the home point.

  • Page 76: Low Battery And Low Voltage Warnings

    The aircraft supports centimeter-level positioning to improve agricultural operation when used with the DJI D-RTK 2 Mobile Station. Follow the instructions below to use the RTK functions. Enable/Disable RTK Before each use, make sure that the RTK signal source is correctly set to either D-RTK 2 Mobile Station or Network RTK.

  • Page 77: Aircraft Leds

    Wi-Fi or the cellular dongle. The firmware file may be large. It is recommended to use Wi-Fi. 2. A prompt appears at the bottom of the home screen in DJI Agras when a new firmware update is available. Tap the prompt to enter the firmware screen.

  • Page 78: Dji Assistant 2 For Mg

    Configure settings of the basic parameters, copy flight records, and update aircraft and remote controller firmware in DJI Assistant 2 for MG. Installation and Launching 1. Download the DJI Assistant 2 for MG installation file from the T40 or T20P download page: https://www.dji.com/t40/downloads or https://www.dji.com/t20p/downloads 2. Install the software.

  • Page 79: Intelligent Flight Battery

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual Intelligent Flight Battery Battery Functions 1. Battery Level Display: the status LEDs indicate the current battery level. Press the power button to check. 2. Communication: battery parameters including the voltage and power level are transmitted to the aircraft to enable the aircraft to take appropriate action when battery parameters change.
  • Page 80 Make sure the battery is correctly connected. Otherwise, the battery may overheat or even explode due to abnormal charging. Only use approved batteries from authorized dealers. DJI assumes no responsibility for any damaged caused by using batteries that are unapproved.
  • Page 81 AGRAS T40/T20 P Unmanned Aircraft Flight Manual LED Patterns The Battery Level Indicators will show the current battery level and status during charging and discharging. The indicators are defined below: LED is on LED is blinking LED is off Checking Battery Level If the battery is in power saving mode, press the power button once to check the current battery level.
  • Page 82 The battery temperature will be high after a flight. Place the battery into the DJI Air-Cooled Heat Sink or a third-party air-cooled heat dissipation device to charge it. Otherwise, charging may be disabled.
  • Page 83 AGRAS T40/T20 P Unmanned Aircraft Flight Manual DO NOT charge the battery near heat sources such as a furnace or heater. Regularly check the terminals and battery ports. DO NOT clean the battery using alcohol or other inflammable liquid. DO NOT use a damaged charging device.
  • Page 84 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Battery Maintenance DO NOT splash the battery with water. An excessive amount of water will damage the battery. DO NOT store the battery when the temperature is outside the range of -20° to 45° C (-4° to 113°...

  • Page 85: Payload - Spraying System

    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.
  • Page 86 AGRAS T40/T20 P Unmanned Aircraft Flight Manual © 2022 DJI All Rights Reserved.
  • Page 87 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.

  • Page 88: T40/T20P Drone Recommended Maintenance Cycle

    AGRAS T40/T20 P Unmanned Aircraft Flight Manual T40/T20P Drone Recommended Maintenance Cycle Recommended replacement Part for service Module Recommended service time cycle 1. Carry out the first inspection for a new drone after 100 flights. 2. Carry out an inspection every 100h after the first inspection.
  • Page 89 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Aircraft Aircraft Replacement after 1,000h of components - Every 1 month Connector usage is recommended. connector Screw securing Middle frame fixing Replacement after 1,000h of the middle Every 1 month piece - screws usage is recommended.
  • Page 90 AGRAS T40/T20 P Unmanned Aircraft Flight Manual Radar system - Backward and Replacement after 36 backward and Downward Every 6 months months of usage is downward radar Radar recommended. Power Replacement after 36 Power distribution Distribution Every 6 months months of usage is...
  • Page 91 DJI Support http://www.dji.com/support This content is subject to change without prior notice. and AGRAS are trademarks of DJI. Copyright © 2022 DJI All Rights Reserved.

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