Yamaha RMAX Type II G Unit Operation Manual
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Yamaha RMAX Type II G Unit Operation Manual

Yamaha RMAX Type II G Unit Operation Manual

Unmanned, for industrial applications
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Please read this manual before using the product.
UNMANNED HELICOPTER FOR INDUSTRIAL APPLICATIONS
UNMANNED HELICOPTER FOR INDUSTRIAL APPLICATIONS
UNIT,
OPERATION MANUAL
OPERATION MANUAL

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Summary of Contents for Yamaha RMAX Type II G Unit

  • Page 1 Please read this manual before using the product. UNMANNED HELICOPTER FOR INDUSTRIAL APPLICATIONS UNMANNED HELICOPTER FOR INDUSTRIAL APPLICATIONS UNIT, OPERATION MANUAL OPERATION MANUAL...
  • Page 2 Foreword Thank you for using the RMAX TypeII G Unit, unmanned helicopter for industrial applica- tions. This operation manual describes the proper operating procedures and precautions when using this product. Before using this product, please be sure to read this operation manual and thoroughly understand its contents.
  • Page 3 Table of Contents Safety Precautions Describes the particulars to be aware of to ensure safe operation. Part Names Gives the names of the parts. Pre-Flight Inspection Describes the items to be checked before operating the product, including the basic operations of the transmitter Items and the control functions.

  • Page 5: Table Of Contents

    Safety Precautions Product Safety Label Locations ..........1-1 Requirement ................1-2 Basic Requirements ................1-2 Operator Requirements ..............1-3 Helicopter Requirements ..............1-5 Flight Requirements ................1-7 Chemical Requirements ..............1-11...

  • Page 6: Product Safety Label Locations

    Safety Precautions Product Safety Label Locations Before operating the helicopter, please read and understand the affixed product safety labels thoroughly.

  • Page 7: Requirement

    Safety Precautions Requirement Basic Requirements WARNING To ensure safe use, please make sure to read the operation manual thoroughly before use. WARNING This unmanned helicopter for industrial applications has been manufactured for the purpose of aerial application of agricultural chemicals, fertilizers, and seeds. Do not use it for other applications.

  • Page 8: Operator Requirements

    Safety Precautions Operator Requirements WARNING Flying this helicopter requires a high level of skill. The helicopter should be operated only by a person possesses appropriate license. WARNING Make sure to wear a helmet during flight. To perform an aerial application, make sure to wear clothing that is appropriate for the oper- ation.
  • Page 9 Safety Precautions WARNING The operation of an unmanned helicopter involves considerable mental fatigue. The operator should not fly the helicopter contin- uously for more than 1 hour, but should take a rest every hour. Prolonged continuous flight operation could cause the operator to lose concentration and could lead to an acci- dent.

  • Page 10: Helicopter Requirements

    Failure to do so could lead to a serious accident. G To have the helicopter serviced, contact your dealer or an authorized service facil- ity for Yamaha unmanned helicopters for industrial applications. Make sure to perform the following inspections. In addition, have your dealer perform the 30-hour inspection, periodic inspection, and general inspec- tion.
  • Page 11 Safety Precautions WARNING When necessary, remove the radiator cap only after the engine has cooled down. If the radiator cap is removed before the engine has cooled down sufficiently, the scalding liquid could shoot out and cause burns. WARNING The muffler is at a high temperature immedi- ately after a flight.

  • Page 12: Flight Requirements

    Safety Precautions Flight Requirements DANGER If the helicopter cannot be maneuvered and is about to leave the flight region, make sure that the region is uninhabited, check the safety of its surroundings, and do the follow- ing to land the helicopter. 1 Move the throttle stick to the slowest position.
  • Page 13 Safety Precautions G Above or in the vicinity of industrial com- plexes for petroleum, gas, chemicals, explosives, etc., or areas containing tanks or depositories. G Above or in the vicinity of power transmis- sion lines, power plants, or transformer stations. G Above or in the vicinity of homes and other hazardous obstacles.
  • Page 14 Safety Precautions WARNING The unmanned helicopter for industrial appli- cations is operated by way of radio signals. To prevent the helicopter from going out of control due to unexpected radio signal inter- ference, pay careful attention to any radio signal interference before and during a flight. WARNING Select areas that are appropriate for takeoffs and landings, as described below.
  • Page 15 Safety Precautions WARNING Adjust the load to leave some margin in the payload. A takeoff with a full payload requires maximum horsepower and careful flying technique. An excess payload at this point could lead to a serious accident. There- fore, hover the helicopter to check that there is an ample margin in payload before con- tinuing with the flight.

  • Page 16: Chemical Requirements

    Safety Precautions NOTICE When operating 2 or more helicopters in a Over 200m given area, make sure to use separate radio- wave frequencies and maintain a minimum distance of 200 m between them. If they approach within 200 m of each other, check the frequency of the other helicopter, and if it is a neighboring frequency, wait until the other helicopter passes.
  • Page 17 Part Names Helicopter Exterior ..............2-1 Helicopter Exterior Part Names ............2-1 Control Panel and Warning Lights ............2-2 Helicopter Interior ..............2-3 Flight Transmitter ..............2-4...

  • Page 18: Helicopter Exterior

    Part Names Helicopter Exterior Helicopter Exterior Part Names Stabilizer Blade Starter Lever (P5-5) Radiator Leaf Rubber Hooks (7 locations) (P4-16) Runner (P4-6) Muffler GPS Antenna Fuel Tank Cap Decompression Lever (P5-5) Main Rotor Blade Control Panel (P2-2) (P4-15) Side Cover (P4-16) Antenna Tail Cover Tail Rotor Blade (P4-22)

  • Page 19: Control Panel And Warning Lights

    Part Names Control Panel and Warning Lights Flight Mode Selector Switch (P4-13) Sprayer Selec- tor Switch (P4-3) Main Switch (P5-3) Starter Switch (P5-6) Check Point Indicator (P3-5) Flight Indicator (P3-5) Shutter Pump Cleaning Switch Malfunction Area Indicator (P3-6) Spinner Con- stant Rotation Switch Hour Meter...

  • Page 20: Helicopter Interior

    Part Names Helicopter Interior Carburetor Radiator Cap Slide Servo Air Cleaner Air Inlet (left) Slide Servo Thermo Sensor Battery (P7-1) Plug Cap (left) Fuel Tank (P4-19) Recovery Tank (P4-20) Plug Cap (right) Air Cleaner Air Inlet (right)

  • Page 21: Flight Transmitter

    Part Names Flight Transmitter Rotor Speed Adjuster Rotor Brake Switch (P5-11) Spray Volume Antenna (P4-18) Adjuster WARNING Engine Stop Switch (P5-11) The Adjuster has been adjusted at the factory. Please do not tamper with it, as it could cause accidents. Battery Monitor Light (P3-11) Spray Switch (P3-4) Output Light (P4-18)
  • Page 22 Part Names...
  • Page 23 Pre-Flight Inspection Items Basic Transmitter Operation ............ 3-1 Basic Flight Transmitter Stick Operation and Helicopter Movement .................3-1 Basic Flight Transmitter Trim Lever Operation and Helicopter Movement .................3-2 YACS Control Switch ................3-3 GPS Control Switch ................3-3 Spray Switch ..................3-4 Warnings (Warning Lights and Indicators) and Actions ..3-5 Self Monitor ..................3-5 Slide servo thermo sensor ..............3-6 YACS Warning Light (red) ..............3-7...

  • Page 24: Basic Transmitter Operation

    Pre-Flight Inspection Items Basic Transmitter Operation Basic Flight Transmitter Stick Operation and Helicopter Movement (a) Throttle Operation (b) Aileron Operation Ascent Descent Tilt Left Tilt Right (to turn left) (to turn right) (c) Elevator Operation (d) Rudder Operation Nose Down (to go forward) Nose Left Nose Right...

  • Page 25: Basic Flight Transmitter Trim Lever Operation And Helicopter Movement

    Pre-Flight Inspection Items Basic Flight Transmitter Trim Lever Operation and Helicopter Move- ment (a) Throttle Trim Lever (b) Aileron Trim Lever Throttle Valve Stops drifting Stops drifting to the left to the right Carburetor Increases idling speed (c) Elevator Trim Lever (d) Rudder Trim Lever Stops drifting forward...

  • Page 26: Yacs Control Switch

    Pre-Flight Inspection Items YACS Control Switch YACS Control Switch In the event of a failure in the control system, the Control OFF (manual) Control ON YACS control switch enables the operator to switch Push Release the control to manual mode, similar to piloted air- craft.

  • Page 27: Spray Switch

    Pre-Flight Inspection Items Spray Switch The sprayer can be operated when the power switch of the flight transmitter is ON and the main Spray Switch switch on the helicopter is in the START or FLIGHT ON (to operate) OFF (to stop) position.

  • Page 28: Warnings (Warning Lights And Indicators) And Actions

    Pre-Flight Inspection Items Warnings (Warning Lights and Indicators) and Actions This product features various types of safety func- tions. Thoroughly familiarize yourself with these functions and the meaning of the warnings and indi- cations before a flight, and take appropriate actions.

  • Page 29: Slide Servo Thermo Sensor

    Pre-Flight Inspection Items 3 Malfunction Area Indicator An indicator will illuminate or flash if a malfunction is discovered on the helicopter while a configuration or a flight is in progress. The malfunction areas indicated here cannot be handled by the user. Contact your dealer to describe the symbol for the light that has turned ON or is flashing, and request a repair.

  • Page 30: Yacs Warning Light (Red)

    Pre-Flight Inspection Items YACS Warning Light (red) If a malfunction is discovered on the helicopter while the YACS control is being configured or a flight is in progress, the YACS warning light (red) illuminates or flashes in unison with the self monitor, and provides the operator a description of the warning.
  • Page 31 Pre-Flight Inspection Items Indication Self Monitor Status Meaning Action Inner and outer lights Because no control signals Take appropriate actions in accor- “ ” is ON flash alternately were received, the failsafe dance with “Failsafe (Safety Func- (3 times) control took over. tion During Radio Signal Interference) Actions”.

  • Page 32: Gps Indicator Light (Orange)

    Pre-Flight Inspection Items GPS Indicator Light (Orange) The GPS indicator lights (orange) illuminates or flashes to inform the operator of the reception conditions of the GPS signals and the state of GPS control. Take the appropriate actions in accordance with the description of the warning. Condition Indication Meaning...
  • Page 33 Pre-Flight Inspection Items Condition Indication Meaning Action After start- Only outer lights flash GPS signal reception is good In case of reason , the outer lights will ing engine but GPS control cannot be change from flashing to steady ON after used due to reason takeoff.

  • Page 34: Transmitter Battery Monitor Light

    Pre-Flight Inspection Items Transmitter Battery Monitor Light If the voltage of the transmitter battery drops below a certain level during operation, a warning buzzer (3 beeps) will sound every 2 seconds and the bat- tery monitor light on the transmitter will flash. If you Battery Monitor Light are flying the helicopter at this time, land it immedi- ately and recharge or replace the transmitter bat-...

  • Page 35: Failsafe (Safety Function During Radio Signal Interference) Actions

    Pre-Flight Inspection Items Failsafe (Safety Function During Radio Signal Interference) Actions If the radio signals for controlling the flight do not reach the helicopter due to interference, the helicopter will be rendered out of control, which creates a dangerous situation. In case of radio signal interference, the system has a safety feature that alternately flashes the inner and outer lights of the red YACS warning lights and auto- matically effects the flight control described on the following pages.
  • Page 36 Pre-Flight Inspection Items G Poor GPS Reception (Outer Lights of GPS Indicator Light Are OFF) 1 In the event of radio signal interference, the inner and outer lights of the red YACS warning lights will flash alternately and the system will force the helicopter to descend quickly regardless of the flight mode.
  • Page 37 Pre-Flight Inspection Items G Good GPS Reception (Outer Lights of GPS Indicator Light Are ON) 1 When radio signal interference occurs, the inner and outer lights of the red YACS warning lights will flash alternately, and the system will apply the brake and force the helicopter to hover Descends slowly after regardless of the flight mode.

  • Page 38: Safety Features And Actions During Poor Gps Signal Reception

    Pre-Flight Inspection Items Safety Features and Actions During Poor GPS Signal Reception The GPS control operates by receiving radio sig- nals from 4 or more satellites. It may become inop- erable depending on the surroundings, terrain, weather conditions, time zone, and other reasons. If the reception of GPS signals becomes poor while operating in a GPS control flight mode (SG, CG, or AG), a safety feature will cause the outer and inner...
  • Page 39 Pre-Flight Inspection Items The reception of GPS radio signals can be adversely affected by conditions indicated below or due to other reasons. 1 Flying near obstacles such as mountains, trees, or buildings. 2 The antenna is surrounded by people. 3 Fewer satellites are available during certain time slots.
  • Page 40 Pre-Flight Inspection Items 3-17...
  • Page 41 Pre-Flight Preparation and Inspection Preparation Up to the Day Before ..........4-1 Recharging and Replacing Flight Transmitter Battery ....4-1 Selecting and Setting the Sprayer ............4-3 Preparing Fuel and Refueling ............4-4 Preparation on the Day of Flight ..........4-6 Transporting Procedure ..............4-6 Radio Signal Interference Inspection ..........4-9 Payload Inspection ................4-10 Selecting the Flight Mode ..............4-13...

  • Page 42: Preparation Up To The Day Before

    Pre-Flight Preparation and Inspection Preparation Up to the Day Before Recharging and Replacing Flight Transmitter Battery WARNING Make sure to use a fully charged battery for the flight. Using an insufficiently charged battery could render the helicopter out of control. Recharging the Battery Power Switch Make sure to use the dedicated battery recharger...
  • Page 43 Pre-Flight Preparation and Inspection Replacing the Battery Battery Replace the battery as follows: Battery Lead Wire 1 Loosen the 2 retaining screws for the battery Connector cover on the back of the transmitter. 2 Open the battery cover. 3 Unplug the connector that connects the battery lead wire and the extension lead wire.

  • Page 44: Selecting And Setting The Sprayer

    Pre-Flight Preparation and Inspection Selecting and Setting the Sprayer 1 Turn the sprayer selector switch to select the sprayer function. • Turn the switch to “ to operate the liquid ” sprayer. • To use the speed-dependent feature of the liquid sprayer, turn the switch to “...

  • Page 45: Preparing Fuel And Refueling

    Mixing Oil 1 Prepare fuel by mixing gasoline with oil. How- ever, do not use gasoline that is blended with ethanol. Specified mixing oil: Yamaha-specified oil Mixing ratio: Gasoline:mixing oil = 50:1 Gasoline WARNING To prevent fire, mix fuel in a well-ventilated area, away from any source of sparks or fire.
  • Page 46 Pre-Flight Preparation and Inspection 2 Remove the fuel tank cap and refuel. Make sure that a filter net is installed in the filler inlet. Fuel Tank Cap WARNING G Stop the engine, and make sure there are Fuel Tank no sources of sparks or fire before refuel- ing.

  • Page 47: Preparation On The Day Of Flight

    Pre-Flight Preparation and Inspection Preparation on the Day of Flight Transporting Procedure WARNING G To prevent burns, do not touch the muffler, which could be very hot after a flight. G Exercise caution to avoid poking your eyes with the antenna or the like. NOTICE G Make sure to remove the chemical tank for the sprayer.
  • Page 48 Pre-Flight Preparation and Inspection Moving Forward or Backward Lift the tail by holding the grip handle of the stone guard to move the helicopter forward (or backward). NOTICE Make sure to hold the grip handle to move the helicopter forward or backward. Do not hold the tail cover or antenna, as this could lead to equipment damage.
  • Page 49 Pre-Flight Preparation and Inspection Transporting WARNING Use a truck to transport the helicopter. Do not attempt to fly the helicopter to another site, as this could lead to an accident. NOTICE Make sure to remove the main rotor blades before transporting the helicopter. 1 Use a truck to transport the helicopter.

  • Page 50: Radio Signal Interference Inspection

    Pre-Flight Preparation and Inspection Radio Signal Interference Inspection Because this product is operated by wireless radio signals, the presence of radio signals with the same or neighboring frequency in the vicinity will cause the signals to cross, which will adversely affect the control of the flight.

  • Page 51: Payload Inspection

    Pre-Flight Preparation and Inspection Payload Inspection The actual payload of this helicopter varies consid- erably according to its operating conditions (weather, temperature, humidity, terrain, obstacles, etc.) and flying methods, as well as the helicopter’s individual differences. Use the graph on the following page as a rule of thumb for adjusting the payload with some margin to ensure a safe aerial application flight.
  • Page 52 Pre-Flight Preparation and Inspection Chemical Load Capacity (kg) Altitude Maximum Chemical Load Capacity: 16 kg Temperature(˚C) This graph is not intended to guarantee the payload performance of the helicopter. The actual payload values could differ from this graph, depending on the helicopter’s condi- tions, operation conditions, humidity, oxygen concentration, and other factors.
  • Page 53 Pre-Flight Preparation and Inspection (Example) Reference value for payload in an agricultural field at temperature 40 °C, altitude 200 m: Approx. 12 kg Chemical Load Capacity (kg) Altitude Maximum Chemical Load Capacity: 12kg Temperature(˚C) 4-12...

  • Page 54: Selecting The Flight Mode

    Pre-Flight Preparation and Inspection Selecting the Flight Mode Before a flight, turn the “flight mode selector switch” to the flight mode that you wish to use. • To use the A or AG mode, turn the switch to “A”. • To use the C or CG mode, turn the switch to “C”.

  • Page 55: Displaying And Recording Flight Hours

    Pre-Flight Preparation and Inspection Displaying and Recording Flight Hours The hour meter on the control panel displays and records the engine’s flight hours. LCD Display 1 TOTAL: Displaying the total flight hours Press the TOTAL key to display the helicopter’s total flight hours, which can serve as guidelines for changing oil or performing periodic inspec- tions.

  • Page 56: Installing And Removing Main Rotor Blades

    Pre-Flight Preparation and Inspection Installing and Removing Main Rotor Blades How to Install Main Rotor Blades 1 Insert the main rotor blades into the main blade Hex Wrench holder. Retaining Bolt NOTICE Mark G There are two main rotor blades: right and Blade Holder left.

  • Page 57: Installing And Removing Side Covers

    Pre-Flight Preparation and Inspection Installing and Removing Side Covers How to Remove Side Covers 1 Undo the 7 rubber hooks that are located along the top of the helicopter by lifting them towards the left. Rubber hooks 2 Open the side covers from side to side. G Tilt the sprayer antenna towards the rear before opening the right side cover.

  • Page 58: Pre-Flight Inspection

    Pre-Flight Preparation and Inspection Pre-flight Inspection To ensure safe and efficient operation of the heli- copter, make sure the operator performs the pre- flight inspection. In addition, enter the results in the flight inspection log. WARNING Flight Inspection Point Inspection Items To prevent injury, make sure the engine is Pre Post stopped before performing an inspection.

  • Page 59: Transmitter Inspection

    Pre-Flight Preparation and Inspection Transmitter Inspection Inspect the flight transmitter battery level, opera- tion, and antenna conditions. WARNING If the transmitter has a malfunction or the battery level is low, the transmitter will be unable to send radio signals during a flight. 1 Battery Level Inspection With the main switch on the helicopter turned OFF, turn the power to the transmitter ON to per-...

  • Page 60: Fuel Inspection

    Pre-Flight Preparation and Inspection Fuel Inspection Inspect the fuel level and check for any leaks. Fuel Tank Before performing this inspection, turn OFF both Fuel Pump the main switch for the helicopter and the power Fuel Tank Cap switch for the transmitter. Filter 1 Fuel Level Visually check the fuel level in the fuel tank.

  • Page 61: Coolant And Oil Inspections

    Pre-Flight Preparation and Inspection Coolant and Oil Inspections Inspect the coolant level and check for any coolant or oil leakage. Before performing this inspection, turn OFF both the main switch for the helicopter and the power switch for the transmitter. Recovery Tank 1 Recovery Tank Inspect the tank cap for any coolant leakage.
  • Page 62 Pre-Flight Preparation and Inspection 2 Water Pump Radiator Cap Inspect the mating surface of the housing cover, rubber hoses, and rubber hose connections for any coolant leakage. During the initial stage of helicopter operation, the water pump may leak a small amount of coolant (10 to 20cc could leak from the drain hole at the bottom of the water pump, onto the absorbent pad provided on the frame).

  • Page 63: Rotor Blade Inspection

    Pre-Flight Preparation and Inspection Rotor Blade Inspection Inspect the rotor blades for damage, dirtiness, and movement. Before performing this inspection, turn OFF both Cushion Tape the main switch for the helicopter and the power switch for the transmitter. 1 Main Rotor Blades G Inspect the main rotor blades’...

  • Page 64: Servo And Linkage Inspection

    Pre-Flight Preparation and Inspection Servo and Linkage Inspection Inspect the servos and linkages for proper opera- tion. Before performing this inspection, turn the power switch for the transmitter to ON and the main switch for the helicopter to START. 1 Slide Servo and Linkage Inspection Inspect the servos and linkages to make sure they smoothly follow the movements of the throt- tle, elevator, and aileron sticks when the sticks...

  • Page 65: Self Monitor Inspection

    Pre-Flight Preparation and Inspection 3 Rudder Servo and Linkage Inspection Move the throttle and the rudder sticks up-and- down and side-to-side and check that the servo and the linkage smoothly follow the movement of the sticks. Also, check that the linkage does not wobble.

  • Page 66: Radio Signal Distance Test

    Pre-Flight Preparation and Inspection Radio Signal Distance Test Conduct a radio signal distance test to inspect that the system is operating normally. Before performing this inspection, turn the power switch for the transmitter to ON and the main switch for the helicopter to START. 1 Retract the antenna of the transmitter to its shortest length.

  • Page 67: Gps System Inspection

    Pre-Flight Preparation and Inspection GPS System Inspection Inspect to make sure the GPS system is operating normally. Before performing this inspection, turn the power switch for the transmitter to ON and the main switch for the helicopter to START. Inspect the illumination of the GPS indicator light by YACS referring to the table on 3-9 - 3-10.
  • Page 68 Pre-Flight Preparation and Inspection 4-27...
  • Page 69 Flying Procedure Flying Precautions ..............5-1 Engine Starting ................5-3 Pre-start Checks .................5-3 Engine Starting ...................5-5 Takeoff Precautions and Checks ..........5-8 Takeoff Procedure ................5-8 Post-Takeoff Checks ................5-9 General Aerial Application Pattern ..........5-10 Landing and Engine Stopping ..........5-11 Landing ....................5-11 Engine Stopping ................5-11 Precautions for First Flight After Periodic Inspection ..

  • Page 70: Flying Precautions

    Flying Procedure Flying Precautions This section summarizes the precautions for a series of operations from takeoff to landing, as well as for han- dling the helicopter. Some of the contents may overlap the instructions given at the Academy. DANGER Never approach (or allow others to approach) within 20 m of the helicopter until the main rotor has come to a complete stop and the engine has stopped.
  • Page 71 Flying Procedure Hovering - Flying WARNING G Adjust the load to leave some margin in the payload. A takeoff with the maximum payload requires maximum horsepower and careful flying technique. An excess payload at this point could lead to a serious accident. Therefore, hover the helicopter to check that there is an ample margin in payload before continuing with the flight.

  • Page 72: Engine Starting

    Flying Procedure Engine Starting Pre-start Checks 1 Check that the flight mode selector switch on the helicopter is set to the position that you have selected. • To use the A or AG mode, turn the switch to “A”. • To use the C or CG mode, turn the switch to “C”.
  • Page 73 Flying Procedure 5 The SETTING light on the check point indicator flashes approximately 3 times (for 10 seconds), and the system performs YACS control configu- ration and self checks. Check that all the red YACS warning lights on the back of the helicopter illuminate during configuration. G Do not move the helicopter while the “...

  • Page 74: Engine Starting

    Flying Procedure Engine Starting 1 Pull and tilt the decompression lever on the con- trol panel. Decompression Lever Attempting to start the engine without oper- ating the decompression lever could cause the engine not to start or accelerate the wear of the battery and the starter motor.
  • Page 75 Flying Procedure 5 Stand on the left side of the helicopter, and while securely supporting the main rotor, keep the throttle stick at the slowest position with your right thumb, and press the starter switch with your left hand. WARNING Support the main rotor with your body as shown in the illustration.
  • Page 76 Flying Procedure 7 After the engine speed has stabilized, turn the main switch to the FLIGHT position. DANGER G Before turning the main switch to FLIGHT, check again that the throttle stick on the transmitter is in its slowest position. If the throttle stick is raised, the main rotor or the tail rotor could spin and cause a serious accident.

  • Page 77: Takeoff Precautions And Checks

    Flying Procedure Takeoff Precautions and Checks Takeoff Procedure 1 Start the takeoff operation after the outer YACS warning lights have finished flashing, and all lights are OFF. 2 Gradually raise the throttle stick to enable the control to automatically increase the engine speed.

  • Page 78: Post-Takeoff Checks

    Flying Procedure Post-Takeoff Checks Perform the following checks: 1 While the helicopter is hovering, make sure the helicopter behaves normally in response to the operations of the sticks. 2 When the sticks are kept still in their neutral posi- tion while the helicopter is hovering, the helicop- ter will drift front-and-back and side-to-side, depending on wind conditions.

  • Page 79: General Aerial Application Pattern

    Flying Procedure General Aerial Application Pattern When operating an unmanned helicopter for the purpose of spraying agricultural chemicals, ensure safe oper- ation, as well as the safety of humans, animals, agricultural products, and the environment during aerial appli- cation. Example: Disease and pest control of a rice paddy •...

  • Page 80: Landing And Engine Stopping

    Flying Procedure Landing and Engine Stopping Landing DANGER Never allow anyone to approach within 20 m of the helicopter. After hovering the helicopter over the landing point, gradually lower the throttle stick to land it. After landing, turns the GPS control switch OFF. If the engine speed does not lower within 3 seconds after landing, turn the YACS control switch OFF.
  • Page 81 Flying Procedure 4 Turn OFF the main switch of the helicopter. Main switch 5 Turn OFF the power switch on the transmitter. WARNING Observe the following until the engine has come to a complete stop: • Do not turn OFF the power of the flight transmitter.

  • Page 82: Precautions For First Flight After Periodic Inspection

    Flying Procedure Precautions for First Flight After Periodic Inspection Fuel After your dealer performs the complete inspection flight for the periodic inspection, the fuels are drained from the fuel tank and the carburetor, to prevent the fuel from becoming old during your storage. When flying for the first time, create a mixed fuel with fresh gasoline purchased at a gasoline station shortly before flying (within 1 week), and refuel to maximum capacity.

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