Yamaha RMAX Type II G Unit Operation Manual Download Page 27 | Manualshive

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Pre-Flight Inspection Items

3-4

Spray Switch

The sprayer can be operated when the power
switch of the flight transmitter is ON and the main
switch on the helicopter is in the START or FLIGHT
position.
Change the spray switch settings as described
below, depending on how you wish to operate the
sprayer.

Using the Flight Transmitter:

Press the (ON/OFF) spray switch on the flight
transmitter ON (pushed in) to operate the sprayer.
Press the switch again (released) to stop the
sprayer.

Pay attention to the surroundings before
pressing the spray switch ON, which will dis-
charge chemicals.

TIP

Push

ON (to operate)

OFF (to stop)

Release

Spray Switch

Power Switch

RMAX.book Page 4 Tuesday, January 17, 2012 3:06 PM

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Summary of Contents for RMAX Type II G Unit

Page 1: ...OPERATION MANUAL OPERATION MANUAL Please read this manual before using the product UNMANNED HELICOPTER FOR INDUSTRIAL APPLICATIONS UNMANNED HELICOPTER FOR INDUSTRIAL APPLICATIONS UNIT ...

Page 2: ...ion manual together with the helicopter if you are lending this helicopter or transferring its ownership If you have lost this operation manual contact your dealer to request another copy Contact your dealer if you have any questions or comments regarding the contents of this operation manual Some diagrams and contents in this manual may differ from the actual helicopter due to specification chang...

Page 3: ...cribes the proper methods for cleaning and inspecting the helicopter after a flight in preparation for the next flight 6 Simple Maintenance Describes the procedures for simple inspection and main tenance that can be performed by the user 7 Proper Management Describes the proper methods for storing and maintaining the helicopter 8 Troubleshooting Describes the procedures for identifying the possibl...

Page 4: ......

Page 5: ...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 1 ...

Page 6: ...1 1 Safety Precautions Before operating the helicopter please read and understand the affixed product safety labels thoroughly Product Safety Label Locations ...

Page 7: ...tions has been manufactured for the purpose of aerial application of agricultural chemicals fertilizers and seeds Do not use it for other applications It could also cause unexpected accidents WARNING Do not modify the helicopter or the auxiliary devices Do not use parts other than genuine parts Any modification of the helicopter or use of non genuine parts may cause unex pected accidents WARNING ...

Page 8: ... Authorization 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 Performing a flight and an aerial appli cation in clothing that is not appropriate for the task could cause loss of visibility maneu vering error or cause your foot to slip result ing in unexpected accidents Furthermore it could harm your health...

Page 9: ...uld take a rest every hour Prolonged continuous flight operation could cause the operator to lose concentration and could lead to an acci dent Do not fly the helicopter after drinking alco hol or taking cold medicine or if you are in poor physical condition Flying the helicopter in poor physical condition could cause loss of concentration and could lead to an acci dent WARNING WARNING ...

Page 10: ...plete stop and the engine has stopped Entering within 20 m of the helicopter could cause a serious acci dent DANGER 20 m 20 m 20 m 20 m The fuel mixture contains highly volatile gas oline that ignites easily To prevent fires stop the engine and keep the helicopter away from any source of sparks or fire when refueling or mixing gasoline with oil WARNING Make sure to have the required inspec tions a...

Page 11: ...e objects near the muffler WARNING Although the helicopter has a drip proof con struction it is not waterproof The areas that can be washed by direct spraying of water are the side covers tail body leaves and the runners Do not spray water on other areas as this could cause the helicopter or the aux iliary devices to fail or operate erroneously NOTICE The gyro sensor located at the bottom of the t...

Page 12: ...lowest position 2 Furthermore hold down the Engine Stop switch DANGER 2 1 Never fly over no fly zones Flying over no fly zones could lead to serious accidents and chemical injuries Do not fly in the following areas Above or in the vicinity of airports military facilities heliports or landing strips The distance of the no fly zone will vary at each facility Verify with the relevant enti ties Above ...

Page 13: ...transmis sion lines power plants or transformer stations Above or in the vicinity of homes and other hazardous obstacles Above or in the vicinity of swimming areas yacht harbors fishing harbor facili ties reservoirs or dams Above or in the vicinity of areas posted with no trespassing or keep out signs Above or in the vicinity of areas where flight is prohibited by police or fire depart ments ...

Page 14: ...e flight or aerial application if poor weather conditions exist as described below Failure to do so could pose operation diffi culties which could lead to an accident In addition it could adversely affect the applica tion and the effectiveness of the sprayed chemicals Wind velocity in excess of 3 m s at a height of 1 5 m above the ground Rain fog or lightning in the close vicinity WARNING Keep the...

Page 15: ... helicopter exhibits irregular behavior or an unusual symptom occurs such as vibration sound coolant leakage or foul odor immediately land the helicopter in a safe area Continuing with the flight in this state could lead to an accident WARNING YACS Warning Light GPS Indicator Light Bring the following items with you to the fly ing site Failure to do so could adversely affect the flight and lead to...

Page 16: ...the other helicopter passes NOTICE Over 200m When using chemicals make sure to follow the instructions given on their labels Do not use chemicals other than those that have been registered for aerial application Failure to do so could expose animals plants or people to chemicals for which the operator will be required to take social responsibility WARNING Control and handle chemicals strictly in a...

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 2 ...

Page 18: ...t Stabilizer Blade Starter Lever P5 5 Radiator Rubber Hooks 7 locations P4 16 Muffler Leaf Main Rotor Blade P4 15 GPS Unit Tail Body Azimuth Sensor Tail Rotor Blade P4 22 Antenna Stone Guard P4 7 Control Panel P2 2 Decompression Lever P5 5 GPS Antenna Fuel Tank Cap Side Cover P4 16 Runner P4 6 Tail Cover ...

Page 19: ... P5 3 Flight Indicator P3 5 Shutter Pump Cleaning Switch Spinner Con stant Rotation Switch Starter Switch P5 6 Check Point Indicator P3 5 Malfunction Area Indicator P3 6 Hour Meter P4 14 Red Orange YACS Warning Light P3 7 GPS Indicator Light P3 9 Self Monitor P3 5 Sprayer Selec tor Switch P4 3 ...

Page 20: ... Helicopter Interior Carburetor Radiator Cap Plug Cap left Battery P7 1 Air Cleaner Air Inlet left Slide Servo Fuel Tank P4 19 Recovery Tank P4 20 Air Cleaner Air Inlet right Plug Cap right Slide Servo Thermo Sensor ...

Page 21: ...ook Transmission Adjustment Dip Switch GPS Control Switch P4 13 YACS Control Switch P4 13 Charging Jack P4 1 Battery Cover Screw P4 2 Transmitter Battery inside P4 2 Communication Jack Spray Volume Switch Do not tamper with these areas as these are intended for changing the transmitter settings Tampering with them could render the helicopter out of control and could lead to an accident WARNING Rot...

Page 22: ...Part Names 2 5 ...

Page 23: ...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 GPS Indicator Light Orange 3 9 Transmitter Battery Monitor Light 3 11 Failsafe Safety Function During Radio Signal Interference Actions 3 12 Safety Features and Actions During Poor GPS Signal Reception 3 1...

Page 24: ...ation and Helicopter Movement Basic Transmitter Operation a Throttle Operation b Aileron Operation c Elevator Operation d Rudder Operation Descent Ascent Tilt Left to turn left Tilt Right to turn right Nose Down to go forward Nose Up to go backward Nose Left Nose Right ...

Page 25: ... idling speed Throttle Valve Carburetor Stops drifting to the left Stopsdrifting to the right Stopsdrifting forward Stops drifting backward Stops counter clockwise spin Stops clockwise spin The throttle trim lever is normally at the lowest position and the aileron elevator and rudder trim levers are normally at center position Fine tune these positions according to your situation See page 5 9 TIP ...

Page 26: ... ON the GPS control switch make sure that the outer lights of the GPS indicator are illuminated If the GPS indicator lights are OFF or flashing the GPS control flight mode cannot be used even when the GPS control switch is turned ON Moreover in the situations described below first turn OFF the switch then turn it back ON Other wise the GPS control flight mode cannot be used GPS control communicati...

Page 27: ...ch settings as described below depending on how you wish to operate the sprayer Using the Flight Transmitter Press the ON OFF spray switch on the flight transmitter ON pushed in to operate the sprayer Press the switch again released to stop the sprayer Pay attention to the surroundings before pressing the spray switch ON which will dis charge chemicals TIP Push ON to operate OFF to stop Release Sp...

Page 28: ...n ON Able to fly in the YACS controlled flight mode OK to fly ON Setting YACS control and self check ing Wait until the configuration is com plete Control is in manual mode Turn ON the YACS control switch on the transmitter ON A malfunction has been discovered through a self check Check the indicators 2 and 3 to identify the area of the malfunction and take appropriate actions Item Light Meaning A...

Page 29: ...fficult to see the LED under direct sun light If the temperature of the slide servo has risen the LED will return to the ON state once the temperature drops after time has passed If the thermo sensor has a malfunction it will continue to flash Indication State Meaning Action ON Normal state Flashing Alternates repeat edly between ON for 1 second and OFF for 1 second The slide servo temperature has...

Page 30: ...nitor thermo sensor flashing The slide servo has heated up abnormally or the thermo sensor has a malfunction Calmly land the helicopter in a safe area If there is no indication on the self monitor take actions described on page 3 6 Only outer lights flash for 15 sec after starting engine After the engine has started for 15 sec OK to fly after flashing has stopped and all lights are OFF See page 5 ...

Page 31: ...failsafe control took over Take appropriate actions in accor dance with Failsafe Safety Func tion During Radio Signal Interference Actions See page 3 12 If the helicopter responds immedi ately to control calmly land it in a safe area Then check for radio signal interference P4 9 and conduct a radio signal distance test P4 25 Only outer lights are ON Flight velocity has exceeded 20km h Fly at a vel...

Page 32: ... the outer lights do not flash after the YACS control configuration has completed there may be an equipment failure Only outer lights flash GPS control is being config ured GPS control is being prepared Fly the heli copter by using only YACS control or wait for the GPS control configuration to com plete the outer lights illuminate If the outer lights do not illuminate after 3 minutes the GPS signa...

Page 33: ...he flight is under GPS control Repeated cycle of outer lights ON inner lights ON OFF GPS signal reception has worsened and GPS control cannot be used The flight mode switches automatically to YACS control Calmly operate the flight When using the SG mode the light turns ON and the brake control will be applied automatically according to speed only in the longitudinal direction of the helicopter See...

Page 34: ...to inform the operator of the transmitter status If the battery monitor light illuminates on the transmitter it is a final warning indicating that the transmitter battery has been depleted Immediately land the helicopter and replace the transmitter battery Failure to do so could render the helicopter out of con trol Beep beep beep beep 4 times Fully charged Beep beep beep 3 times Beep beep 2 times...

Page 35: ...r has come to a complete stop and the engine has stopped If there are any people in the area instruct them to leave the area immediately DANGER Do not fly any higher than 3 to 4 m above the ground or crops When radio signal interference occurs i e when failsafe mode is engaged the engine speed is automatically brought to idling state after 40 seconds Flying at a higher altitude will cause the heli...

Page 36: ...recover 2 If the helicopter is forced to land because the radio signals have not recovered the engine is brought to idle Depending on the terrain weather and flight conditions the helicopter could overturn If the helicopter overturns never approach the heli copter as the engine speed might not decrease 3 After a forced landing turn the throttle to the slowest position and wait for the radio signal...

Page 37: ...t for the signals to recover 2 If the helicopter is forced to land because the radio signals have not recovered the engine is brought to idle Depending on the terrain weather and flight conditions the helicopter could overturn If the helicopter overturns never approach the heli copter as the engine speed might not decrease 3 After a forced landing turn the throttle to the slowest position and wait...

Page 38: ... if the GPS signal reception improves When the GPS control switch is turned OFF the GPS indicator light will turn OFF and control will switch to S mode Therefore operate carefully Operating in CG mode As the GPS signal reception worsens the orange GPS indicator lights will cycle through outer lights ON inner lights ON OFF Control will switch automatically to C mode At this point quickly turn OFF t...

Page 39: ...S 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: ...pection 4 9 Payload Inspection 4 10 Selecting the Flight Mode 4 13 Displaying and Recording Flight Hours 4 14 Installing and Removing Main Rotor Blades 4 15 Installing and Removing Side Covers 4 16 Pre flight Inspection 4 17 Transmitter Inspection 4 18 Fuel Inspection 4 19 Coolant and Oil Inspections 4 20 Rotor Blade Inspection 4 22 Servo and Linkage Inspection 4 23 Self Monitor Inspection 4 24 Ra...

Page 42: ...r the battery has been recharged make sure to install the plug into the charging jack 8 The battery monitor function indicates the bat tery s charge status and will alert the operator during flight if the battery must be replaced See page P3 11 Preparation Up to the Day Before Make sure to use a fully charged battery for the flight Using an insufficiently charged battery could render the helicopte...

Page 43: ...atch up the col ors of the wires Do not remove the connector between the flight transmitter and the extension lead wire After replacing the battery turn ON the power of the flight transmitter and gently jiggle the wires connector to make sure there is no break in the current Batteries are consumables and their dura tion of use decreases with each recharge cycle The battery and the extension lead w...

Page 44: ...the liquid sprayer turn the switch to 2 Adjust the settings of the sprayer For details see the operation manual for the sprayer The sprayer selector switch cannot be operated during a flight The speed dependent feature is enabled only when the GPS signal reception is good regardless of the position of the GPS control switch on the flight transmit ter Currently the granular sprayer is not exported ...

Page 45: ...50 1 To prevent fire mix fuel in a well ventilated area away from any source of sparks or fire WARNING Mixing Oil Gasoline Mix thoroughly Observe the correct mixing ratio of gaso line and oil and mix them thoroughly before use Once the fuel is mixed used it as soon as possible If the fuel is left unused for a long period the oil could separate It is best to prepare just enough fuel mixture to be u...

Page 46: ...ine and make sure there are no sources of sparks or fire before refuel ing Do not pour the fuel past the refueling limit up to the neck of the fuel tank This is dangerous as the fuel may drip out during a flight After refueling securely tighten the fuel tank cap WARNING Fuel Tank Cap Fuel Tank Filter Net Fuel Tank Cap Fuel Tank Filter Net Fuel Tank Neck ...

Page 47: ... your eyes with the antenna or the like Make sure to remove the chemical tank for the sprayer If a liquid sprayer is installed fold the boom before transporting the heli copter See the operation manual of the sprayer for details Do not allow the main rotor blade to come in contact with the ground or with any objects in the area as this could lead to equipment damage Do not hold the helicopter by t...

Page 48: ...ake sure that 2 persons or more lift the helicop ter with each person holding the runner as shown 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 NOTICE Grip Handle Stone Guard Do not hold the helicopter by the exhaust pipe of the muffler or the bar for attaching the sprayer tank as this could...

Page 49: ...Use a truck to transport the helicopter Use a truck to transport the helicopter Do not attempt to fly the helicopter to another site as this could lead to an accident Make sure to remove the main rotor blades before transporting the helicopter WARNING NOTICE ...

Page 50: ... monitoring make sure the power switch for the flight transmitter is turned OFF The unmanned helicopter for industrial applications is operated by way of radio signals To prevent the helicopter from going out of control due to unexpected radio signal interference pay careful attention to any radio signal interference before and during a flight Cancel the flight if you detect the same fre quency th...

Page 51: ...eck the payload that meets your requirements Check the payload margin by hovering If the low speed warning flashes on the YACS warning light this means there is not enough payload margin Remove the chemical tank on the right side before per forming the flight If the position of the throttle stick immedi ately after takeoff is clearly high this means that there is not enough payload margin Remove t...

Page 52: ...hemical Load Capacity kg Maximum Chemical Load Capacity 16 kg 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 TIP Temperature C Altitude Chemical Load Capacity kg Maximum Chemical Load Capacity 16kg ...

Page 53: ...ation and Inspection 4 12 Example Reference value for payload in an agricultural field at temperature 40 C altitude 200 m Approx 12 kg Temperature C Altitude Chemical Load Capacity kg Maximum Chemical Load Capacity 12kg ...

Page 54: ...red to the C mode the S mode provides greater control support to ensure safety of the helicopter SG Mode Move the stick only as much as you wish to fly and release it to stop the movement Thus this mode allows you to operate with peace of mind It can be used only for flying forward or backward C C Mode This standard flight mode uses the YACS control to balance the helicopter s sta bility and flyin...

Page 55: ...s for changing oil or performing periodic inspec tions 2 TRIP Displaying the day s flight hours Press the TRIP key to display the logged flight hours since the last time it was reset 3 TRIP Resetting the day s flight hours After the number of TRIP hours appears on the display simultaneously press the TOTAL and TRIP keys to reset the number of hours to 0 Make sure to enter the flight hours in the f...

Page 56: ...order of installation There are two main rotor blades right and left Install them by matching the color of the mark of the respective main rotor blade to the blade holder Each main rotor blade has a top and bot tom Install it so that its leading edge is oriented in the direction of rotation as shown in the cross section diagram Check that the main rotor blades are free of debris such as pollen or ...

Page 57: ...the frame How to Reinstall Side Covers Reinstall the side covers in reverse order of removal Rubber hooks Tilt the sprayer antenna towards the rear before opening the right side cover Make sure the side cover does not get caught on the starter lever or the fuel tank cap TIP Do not hold a side cover during removal as this could lead to damage Place the right and left side covers and lock them in pl...

Page 58: ...ng an inspection WARNING Inspection Point Inspection Items Flight Pre Post 1 Transmitter Battery Level Operation Antenna installation 2 Fuel Level Leakage 3 Coolant oil Level Leakage 4 Rotor blades Dirtiness damage Movement Air cleaner Dirtiness 5 Servo linkage rudder throttle Operation Wobble 6 Self monitor States of lighting 7 Radio signal distance test Radio signal reach 8 Tail rotor drive belt...

Page 59: ...ration Inspection When the power of the transmitter is turned ON apart from the buzzer sounding to indicate the battery level if the buzzer beeps in a 3 3 7 pat tern or the output light does not illuminate the transmitter may be malfunctioning If this occurs cancel the flight and request a repair by your dealer 3 Antenna Inspection Inspect the antenna to make sure it is not loose in the area where...

Page 60: ...refueling do not remove the filter net 2 Fuel Leak Inspect the following areas to make sure there are no fuel leaks Fuel Tank Fuel Tank Cap Fuel Filter Fuel Pump Fuel Lines If you discover a fuel leak immediately cancel the flight and request a repair by your dealer Fuel Tank Fuel Tank Cap Filter Net Fuel Pump Fuel Filter To prevent fires stop the engine and keep the helicopter away from any sourc...

Page 61: ...ndard coolant level is between the FULL and LOW marks indicated on the recovery tank Coolant Preparation Coolant Dealer specified coolant Mixing ratio Dealer specified ratio Recovery Tank Cap Coolant is toxic therefore use caution when handling it If it enters your eye flush it thoroughly with water and seek medical attention If it contacts your skin or clothing promptly rinse with water and wash ...

Page 62: ... cylin der head for any coolant leakage 5 Transmission and Intermediate Transmission Inspect the mating surface of the transmission case and the oil seal for any oil leakage A slight stain of coolant or oil does not indicate an abnormal condition However if the coolant or oil is leaking in a dripping manner cancel the flight and request a repair by your dealer Radiator Cap Water Pump Cylinder Head...

Page 63: ...m to make sure they rotate smoothly in both directions See page 4 15 2 Tail Rotor Blades Inspect the tail rotor blades surfaces for dirti ness fissures cracks or chips Inspect the cushion tape for peeling or dam age Inspect the tail rotor blades to make sure they rotate smoothly in both directions If a rotor blade s surface is dirty use household detergent on a soft cloth wring the cloth and use i...

Page 64: ...tle Inspection Throttle fully open and fully closed Move the throttle stick to its maximum posi tion and check that the throttle valve in the carburetor moves to the fully open position Move the throttle stick to the slowest posi tion and check that the throttle valve in the carburetor moves to the fully closed posi tion Keep the throttle trim lever in the lowest position Throttle cable movement a...

Page 65: ...ination of the indicator lights Check that the flight indicator light illu minates Check that the check point indicator lights do not illuminate Check that the malfunction area indicator lights do not illuminate If there is a problem with the illumination of the flight indicators or check point indicators take the appropriate actions in accordance with the table on page 3 5 If a malfunction area i...

Page 66: ...request your dealer for repair Tail Rotor Drive Belt Inspection Inspect the condition of the tail rotor drive belt and apply lubricant to the belt Before performing this inspection turn OFF both the main switch for the helicopter and the power switch for the transmitter 1 Inspect for looseness in the tension of the belt 2 Check that the belt is free of damage abnormal wear and noise during operati...

Page 67: ...f the light flashes for 3 minutes or more after the YACS control has completed configuration this means the reception of the GPS signals may be poor In this case operate the flight only under YACS control If the GPS indicator light does nei ther illuminate nor flash the GPS system may have failed In this case request your dealer for repair If the power for the flight transmitter is OFF the light w...

Page 68: ...Pre Flight Preparation and Inspection 4 27 ...

Page 69: ...eoff 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 5 13 Fuel 5 13 Onboard Battery 5 13 First Flight Procedure 5 13 5 ...

Page 70: ... minimal foot or vehicle traffic Check that there are no obstacles in the vicinity Check that there are no objects that could get picked up by the wind such as mowed grass plastic tape plastic bags etc WARNING Do not operate the throttle stick while the outer YACS warning light is flashing The engine will stop if the throttle stick is moved far up Do not operate the rudder excessively right before...

Page 71: ...n abnormal condition the helicopter exhibits irregular behavior or an unusual symptom occurs such as vibration sound coolant leakage or foul odor immediately land the helicopter in a safe area Continuing with the flight in this state could lead to an accident Do not press the Engine Stop switch during a flight as this will stop the engine and cause the helicopter to descend abruptly However to for...

Page 72: ...is set to the position of the sprayer that you will be using When using the liquid sprayer turn the switch to or 3 Extend the antenna of the transmitter and turn the power switch ON Check the battery level the buzzer should beep a minimum of 3 times Check that the YACS control switch is ON and the GPS control switch is OFF 4 Turn the main switch on the helicopter to START Check that all the lights...

Page 73: ...uminate After checking that all lights illuminate turn OFF the GPS control switch Do not move the helicopter while the light is flashing Configuring the YACS control with the heli copter tilted could cause errors Therefore it is recommended to select a flat area for this purpose If the light illuminates on the flight indicator first turn the main switch OFF then turn it to START If the light illum...

Page 74: ...ression lever could cause the engine not to start or accelerate the wear of the battery and the starter motor TIP Decompression Lever Use the starter lever if the engine is cold Do not use the starter lever if the engine is warm such as restarting after a flight TIP Starter Lever If the elevator trim lever rudder trim lever and aileron trim lever are not in center posi tion the helicopter might no...

Page 75: ... engine does not start within 5 sec onds after pressing the starter switch wait about 10 seconds to allow the battery volt age to recover Then press the starter switch again The safety device will trip and prevent the starter motor from operating if any of the following conditions have not been met Main switch is in the START position The power switch of transmitter is ON The throttle stick of the...

Page 76: ...e tail rotor could spin and cause a serious accident The safety device will trip when the main switch is in the START position prevent ing the engine speed from increasing above a predetermined value If you hear an abnormal sound from the engine do not turn the main switch to the FLIGHT position Instead turn it OFF and check the areas that are possibly affected Leaving the engine idling for more t...

Page 77: ...and Checks Do not operate the sticks abruptly as this could cause the helicopter to lose balance and lead to an accident If the throttle stick is moved far up while the outer YACS warning lights are flashing the engine will stop Do not operate the rudder excessively right before a takeoff as this will cause the tail to move abruptly in the direction of the rudder during a takeoff During takeoff do...

Page 78: ...rifts constantly in one direction land it in a safe area to make fine adjustments at the trim lever of the transmitter For the first flight of the day allow the heli copter to hover for 1 or 2 minutes while the engine warms up and check that the helicop ter operates normally Failure to do so will prevent the engine from attaining the proper power which could lead to an accident After takeoff turn ...

Page 79: ...ying speed between 10 and 20 km h Flying height between 3 and 4 meters Flying interval 5 or 7 5 meters Wind When performing tasks such as refueling 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 Entering within 20 m of the helicopter could cause a serious acci dent If the GPS signal reception is g...

Page 80: ... lights for any illumination or flashing Landing and Engine Stopping Never allow anyone to approach within 20 m of the helicopter If the engine speed does not lower within 3 seconds after landing turn the YACS control switch OFF This will lower the engine speed to idle DANGER TIP Throttle Stick Never approach or allow others to approach within 20 m of the helicopter until the main rotor has come t...

Page 81: ...bserve the following until the engine has come to a complete stop Do not turn OFF the power of the flight transmitter Do not take the battery out of the transmit ter Failure to observe these precautions will trip the failsafe device speed control turns ON automatically which will cause the engine to accelerate suddenly WARNING ...

Page 82: ...or example fly the helicopter gently as a means for the operator to familiarize himself with the various areas of the helicop ter as well as its maneuverability 1 Fill up the tank with fresh fuel Keep the chemical and water load to one half of the normal load 2 Perform pre flight inspection 3 After the engine starts take off and hover no higher than 1 m above the ground for 2 minutes or longer 4 N...

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