Konishi Mokei L25-N4580 User Manual
Post-Flight Inspection and Cleaning
Post-flight Inspection ................................................................ 6-1
Fuel Inspection ...................................................................................6-1
Coolant and Oil Inspections ..............................................................6-2
Rotor Blade Inspection ......................................................................6-2
Air Cleaner Inspection .......................................................................6-3
Servo and Linkage Inspection ...........................................................6-3
Self Monitor Inspection ......................................................................6-4
Tail Rotor Drive Belt Inspection ........................................................6-4
Antenna Inspection ............................................................................6-4
Post-Flight Cleaning and Servicing ......................................... 6-5
Washable Areas ..................................................................................6-6
Non-Washable Areas ..........................................................................6-7
6
Post-Flight Inspection and Cleaning
Post-flight Inspection
In preparation for the next flight, inspect the helicopter and make sure each area is free of problems. In addition, enter the results in the flight
inspection log.
WARNING
● To prevent injury, make sure the engine is
stopped before performing an inspection.
● The helicopter is very hot immediately
after a flight. To prevent burns, allow the
temperature of the helicopter to lower sufficiently before performing an inspection.
Inspection Point Inspection Items
• Battery Level
Transmitter
1 Fuel
2 Coolant, oil
3 Rotor blades
4 Air cleaner
• Operation
• Antenna installation
• Level
• Leakage
• Level
• Leakage
• Dirtiness, damage
• Movement
• Dirtiness
Flight
Pre Post
Fuel Inspection
Inspect for fuel leakage.
Before performing this inspection, turn OFF both
the main switch for the helicopter and the power
switch for the transmitter.
For details, see page 4-19.
Servo, linkage
5
(rudder, throttle)
6 Self monitor
Radio signal
distance test
7 Tail rotor drive belt
GPS system
8 Antenna
• Operation
• Wobble
• States of lighting
• Radio signal reach
• Tension
• Abnormal noise
• Wear, damage
• Refuel
• States of lighting
• Installation state
• Rust
If you discover any fuel leakage, request a repair by
your dealer before the next flight.
WARNING
Fuel leakage could lead to a fire.
6-1
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.
For details, see page 4-20.
A slight stain of coolant or oil does not indicate an
abnormal condition. However, if there are any drops
of coolant or oil leaking, request a repair by your
dealer before the next flight.
NOTICE
● Coolant leakage will adversely affect the
cooling performance of the helicopter and
cause it to overheat.
● Transmission oil leakage will reduce the
internal lubrication of the transmission
and damage the gears and bearings.
Post-Flight Inspection and Cleaning
Rotor Blade Inspection
Inspect the rotor blades for damage, dirtiness, and
movement.
Before performing this inspection, turn OFF both
the main switch for the helicopter and the power
switch for the transmitter.
For details, see page 4-22.
If a rotor blade’s surface is dirty, use household
detergent on a soft cloth, wring out the cloth first,
and use it to wipe the rotor blade’s surface.
If a rotor blade is damaged, request a repair by your
dealer before the next flight.
NOTICE
If a main or tail rotor blade does not move
smoothly or is damaged, it could generate
noise or vibration.
6-2
Post-Flight Inspection and Cleaning
Air Cleaner Inspection
Inspect the air cleaner element for dirtiness.
Before performing this inspection, turn OFF both
the main switch for the helicopter and the power
switch for the transmitter.
Make sure the air cleaner element is free of debris,
dust, pollen, etc.
However, if the air cleaner element is dirty, replace
air cleaner with new ones before the next flight.
NOTICE
A dirty or clogged air cleaner element will
adversely affect the performance of the
engine.
Air cleaner
Servo and Linkage Inspection
Inspect the servos and linkages for proper operation.
Before performing this inspection, turn the power
switch for the transmitter to ON and the main switch
for the helicopter to START.
For details, see page 4-23.
If the servos operate abnormally or the linkages
wobble, request a repair by your dealer before the
next flight.
WARNING
● If the servos operate abnormally or the
linkages wobble, they could adversely
affect the control of the helicopter.
● If the throttle operates abnormally, it could
adversely affect engine control, which
could cause the helicopter to go out of
control.
6-3
Self Monitor Inspection
Inspect the illumination of the indicator lights on the
self monitor for proper operation.
Before performing this inspection, turn the power
switch for the transmitter to ON and the main switch
for the helicopter to START.
For details, see the table on page 3-5.
If the lights illuminate abnormally, request a repair
by your dealer before the next flight.
WARNING
Take the appropriate actions in accordance
with the indicator lights. By ignoring the
lights and continuing to fly, you will lose control of the helicopter and cause a serious
accident.
Tail Rotor Drive Belt Inspection
Post-Flight Inspection and Cleaning
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.
For details, see page 4-25.
If there is a problem with the belt, request a repair
by your dealer before the next flight.
WARNING
If there is a problem with the tail rotor drive
belt, it could adversely affect the actuation of
the tail rotor, which could cause the helicopter to go out of control.
Antenna Inspection
Inspect the antenna to make sure it is not loose or
rusted at the area where it is mounted to the helicopter.
Before performing this inspection, turn OFF both
the main switch for the helicopter and the power
switch for the transmitter.
Peel the dust cover from the base of each antenna
pole and make sure the antenna poles are not
loose or rusted.
If they are loose or rusted, request a repair by your
dealer before the next flight.
WARNING
If the antenna is loose or rusted, it will affect
the reception of control signals, which could
cause the helicopter to go out of control during flight.
Dust Covers
6-4
Post-Flight Inspection and Cleaning
Post-Flight Cleaning and Servicing
Agricultural chemicals, dust, dead bugs, and pollen
could adhere to the helicopter after an aerial application.
If they remain stuck to the helicopter, they will
cause a chemical reaction, which will lead to rust,
insufficient lubrication, sealant deterioration, and
discoloring.
To prevent these problems, use the methods
described below to clean and service the helicopter
after a flight, in preparation for the next flight. While
cleaning, check all areas of the helicopter for any
damage, abnormal wear, loose fasteners, etc.
WARNING
The helicopter is very hot immediately after a
flight. Therefore, to prevent burns, clean it
only after its temperature has lowered sufficiently.
NOTICE
Washing the helicopter with water will cause
a sudden change in temperature, which
could create problems in electrical parts.
Therefore, clean it only after its temperature
has lowered sufficiently.
6-5
Washable Areas
1 Side covers
They may be washed only after they have been
removed from the helicopter.
Do not wash them in the installed state because
the water could splash on other parts.
2 Tail body
Clean it carefully while making sure to prevent
the GPS system and the gyro sensor from direct
contact with water.
3 Leaves and runners
4Radiator
Clean it by using caution not to damage the fins.
NOTICE
Do not use a high-temperature, high-pressure cleaner to clean areas 1 to 4 above, as it
could damage the film and paint on the surface.
After cleaning the washable areas of the helicopter with water, ensure to wring out your
cloth before you wipe the moisture off the
surface.
Post-Flight Inspection and Cleaning
6-6
Post-Flight Inspection and Cleaning
Non-Washable Areas
WARNING
The helicopter and the transmitter have a
drip-proof construction and not a water-proof
construction. Therefore, do not use water
directly on areas other than those indicated
in the previous section.
Failure to observe this precaution could
cause the electric parts or the sliding areas
to malfunction, which could lead to a serious
accident.
1 GPS System and Azimuth sensor
Washing these areas with water will cause them
to malfunction as a result of exposure of the
internal components to water.
Therefore, use a soft, moist cloth that has been
wrung out to wipe the dirty areas.
2 Control Panel
Washing these areas with water will cause the
hour meter, GPS antenna, switches, and the
monitor lights to malfunction as a result of exposure of the internal components to water.
Therefore, use a soft, moist cloth that has been
wrung to wipe the dirty areas.
3 Main and Tail Rotor Blades
Washing these areas with water will cause the
rotors to lose their balance and create vibrations
as a result of exposure of the internal components to water.
If the rotor surface is dirty, use household detergent on a soft cloth, wring the cloth, and use it to
wipe the rotor surface.
4 Main and Tail Rotor Head Areas
Washing these areas with water will adversely
affect the lubrication of the bearings and slides,
which could damage or wear those parts.
Therefore, use a soft, moist cloth that has been
wrung out to wipe the dirty areas.
Apply a small amount of the dealer-specified
anti-rust lubricant to the bearings, rod ends, and
sliding portions of parts, and then wipe them with
a dry cloth.
6-7
5 Servos and Electrical Parts
Washing these areas with water will cause them
to malfunction as a result of exposure of the
internal components to water.
6 Frame
Washing this area with water will cause the
YACS control to malfunction as a result of exposure of the internal electric components to water.
Therefore, use a soft, moist cloth that has been
wrung out to wipe the dirty areas.
7 Flight Transmitter
Washing this area with water will cause the
transmitter to malfunction as a result of exposure
of the internal switches and electric components
to water. Therefore, use a soft, moist cloth that
has been wrung out to wipe the dirty areas.
Post-Flight Inspection and Cleaning
6-8
Post-Flight Inspection and Cleaning
6-9
Simple Maintenance
Battery Recharging Procedure ................................................. 7-1
7
Simple Maintenance
Battery Recharging Procedure
This helicopter uses a sealed battery.
It is not necessary to refill or inspect the battery
fluid.
If there is any abnormality in the battery, request a
repair by your dealer.
WARNING
The battery produces flammable gas (hydrogen gas). Mishandling it could lead to an
explosion resulting in injuries. Make sure to
observe the following:
● Fire is strictly prohibited. Do not short a
circuit, cause a spark, or let any fire such
as cigarettes come near. This could cause
an explosion.
● Do not connect to the battery terminals in
the wrong order. Doing so could cause a
fire.
● Recharge in a well ventilated place.
● Keep gasoline, oil, or organic solvent from
getting on the battery, as this could cause
the battery case to crack.
● Do not drop it or apply any other strong
impact.
● The battery fluid is diluted sulfuric acid.
Contact with the skin, eye, or clothing
could lead to a serious injury.
● Keep out of reach of children.
First Aid
● In the unlikely event that the battery fluid
gets on the skin, clothing, etc., immediately rinse with copious amounts of water.
● If it enters the eye, immediately rinse it
with copious amounts of water, and seek
medical attention.
+Terminal (red cap) -Terminal (black cap)
Battery Battery Support Strap
7-1
NOTICE
● This is a sealed 12V battery.
● This battery has been filled with fluid and
charged. No fluid level inspection or refilling is necessary.
● For recharging, use the dedicated sealed
battery recharger. Contact your dealer for
details.
● If the battery is to be left unused for a long
time, remove the battery from the helicopter, and recharge every 3 months.
● When replacing the battery, make sure to
use a genuine battery.
Removing the Battery
1 Make sure to turn OFF the main switch on the
control panel.
2 Disconnect the negative - and positive + termi-
nals of the battery, in that order.
3 Remove the battery support strap and take the
battery out of the helicopter.
Reinstalling the Battery
Reinstall the battery in reverse order of removal.
TIP
● Batteries are consumables.
● The battery should be replaced every year.
Simple Maintenance
7-2
Simple Maintenance
7-3
Proper Management
Storage Precautions .................................................................. 8-1
Daily Storage Procedure ....................................................................8-2
Long-Term Storage Procedure ..........................................................8-2
Operating the Helicopter After Long-Term Storage ........................8-3
Other Types of Management .................................................... 8-5
8
Proper Management
This unmanned helicopter for industrial applications
has been manufactured for the purpose of aerial
application of agricultural chemicals, fertilizers, and
seeds.
Secure a storage location for the helicopter and its
auxiliary devices, to prevent theft and illegal use
outside of its intended purpose, such as criminal
acts.
As a measure to prevent illegal use, this product is
equipped with the following features:
• Areas of use are limited
• Specified operation period
• Specified total operation time
Storage Precautions
To select a storage site, consider factors such as
sources of fire or spark, temperature, humidity,
dust, theft, and the presence of any stacked loads
in the area.
We recommend that you provide a dedicated cabinet for storing the auxiliary devices.
In addition to protecting the helicopter from damage
and theft, or the auxiliary devices from loss, these
measures will facilitate the monitoring of their maintenance conditions and ensure efficient preparation
for the next flight.
1 Store the helicopter, rotors, and transmitters in
separate, lockable locations so that they will not
be stolen or subject to other criminal acts.
2 If the helicopter is stolen, immediately report the
theft to your dealer. Then, contact your local
police department.
8-1
Daily Storage Procedure
1 Perform “Post-flight Inspection” (P6-1) and
record the results in the flight log.
2 Clean the helicopter. (See page 6-5.)
3 Place the helicopter cover (sold separately) and
store it indoors, in an area that is not damp.
4 Clean the flight transmitter and remove its bat-
tery. (See page 4-2.)
Long-Term Storage Procedure
If the helicopter will not be operated for a few
months, follow the storage procedure given below
in preparation for the subsequent operation.
Proper Management
1 Perform “Post-flight Inspection” (P6-1) and
record the results in the flight log.
2 Clean the helicopter. (See page 6-5.)
3 Remove the onboard battery and recharge it with
a dedicated recharger. (See page 7-1.)
After recharging, store the battery in a cool and
dark location, and recharge it every 3 months.
NOTICE
To disconnect the battery, first disconnect its
negative terminal, followed by the positive
terminal. Reversing this order could cause
the battery to short.
4 Fuel must be drained from the fuel tank and the
carburetor. Request the performance of this
operation by your dealer.
5 Place the helicopter cover and store it indoors, in
an area that is not damp.
6 Clean the flight transmitter and remove its bat-
tery. Store the battery in a cool and dark location.
8-2
Proper Management
Operating the Helicopter After Long-Term Storage
TIP
● Have a periodic inspection performed on
the helicopter if you will be operating it
after prolonged storage of 1 year or more.
● Contact your dealer for details.
To operate the helicopter after storing it for a few
months, perform the following preparations:
1 Install fully charged batteries in the helicopter
and the flight transmitter, after making sure the
main switch on the helicopter is turned OFF.
WARNING
● Do not interchange the positive and negative poles when connecting the battery terminals, as it could cause a fire or
malfunction.
● To connect the battery, first connect its
positive terminal, followed by the negative
terminal. Reversing this order could cause
the battery to short.
Connect the positive terminal first
2 Prepare fresh fuel and pour it in the fuel tank.
(See page 4-4.)
NOTICE
Never use old leftover fuel.
This could cause the engine to stop or operate poorly
8-3
3 Perform pre-flight inspections. (See page 4-17.)
4 Start the engine. After prolonged storage, the
engine will be hard to start because it will take a
while for the fuel to reach the carburetor.
TIP
If the engine does not start within 5 seconds
after you have pressed the starter switch,
wait about 10 seconds to allow the battery
voltage to recover. Then, press the starter
switch again.
Repeat the cycle of operating the starter motor for 5
seconds and waiting 10 seconds, 4 or 5 times. This
will allow the fuel to reach the carburetor and the
engine to start.
Proper Management
8-4
Proper Management
Other Types of Management
This helicopter and some parts fall under the listcontrolled items of Japan’s “Foreign Exchange and
Foreign Trade Act”. Use sufficient care to ensure
that the list-controlled items are not stolen or lost.
8-5
Troubleshooting
Engine ......................................................................................... 9-1
Helicopter ................................................................................... 9-4
YACS ........................................................................................... 9-6
GPS ............................................................................................. 9-7
Flight Transmitter ...................................................................... 9-8
Sprayer ....................................................................................... 9-9
9
Troubleshooting
The problems listed here can be handled primarily
by the user.
Problems or causes that are not listed here are
handled by your dealer. If such problems occur,
cancel the flight and contact your dealer to have the
helicopter inspected and repaired.
● Make sure to follow the instructions given
in the “User Action” column, and do not
take any actions that are not called for.
● If you have any questions, be sure to contact your dealer. If an inspection, adjustment, or part replacement is performed by
a person who does not possess the knowhow and proficiency to service the helicopter, it could lead to a serious accident.
WARNING
Engine
Starter motor does not operate
Main Cause User Action Remarks
Main switch on the helicopter is not turned to
1
START.
2 Power switch of the flight transmitter is not ON. Turn ON the power switch of the flight transmitter. See page 5-3.
Throttle stick on the flight transmitter is not in the
3
SLOWEST position.
4 Decompression is not operating. Operate the decompression lever. See page 5-5.
5 Helicopter battery terminals are loose. Firmly tighten the battery terminals. See page 7-1.
6 Onboard battery is faulty.
Turn the main switch on the helicopter to START. See page 5-3.
Move the throttle stick of the flight transmitter to
the SLOWEST position.
Recharge the battery with a dedicated recharger,
or replace it.
See page 5-5.
See page 7-1.
The starter motor does not operate, and all 3 flight indicator lights,
“”, “”, and “” illuminate simultaneously.
Main Cause User Action Remarks
1 Request your dealer for repair.
Engine does not start
Main Cause User Action Remarks
1 There is no fuel. Pour fresh fuel in the tank. See page 4-4.
2 Poor quality fuel (old fuel) Request your dealer for repair.
3 Carburetor starter does not operate. Operate the starter lever. See page 5-5.
4 Spark plugs are faulty.
5 Spark plug caps are improperly installed. Install the spark plug caps properly.
6 Starter motor spins slowly.
Immediately stop the flight and request a repair
by your dealer.
Recharge the onboard battery with a dedicated
recharger.
See page 7-1.
9-1
Troubleshooting
Engine speed does not increase
Main Cause User Action Remarks
Main switch on the helicopter is not turned to
1
FLIGHT.
2 Starter lever has not been returned. Return the starter lever. See page 5-6.
3 Decompression lever has not been returned. Return the decompression lever. See page 5-6.
4 Air cleaner element is dirty or clogged.
5 Spark plugs are faulty.
Turn the main switch on the helicopter to FLIGHT. See page 5-7.
Immediately stop the flight and replace air cleaner
with new ones.
Immediately stop the flight and request a repair
by your dealer.
Engine has no power
Main Cause User Action Remarks
1 Engine overheats.
2 Spark plugs are faulty.
3 Air cleaner element is dirty or clogged.
Immediately stop the flight, and check the contents in the next section “Engine overheats”.
Immediately stop the flight and request a repair
by your dealer.
Immediately stop the flight and replace air cleaner
with new ones.
Engine overheats
Main Cause User Action Remarks
Replenish coolant.
1 Coolant is leaking or insufficient.
2 Specified coolant is not used.
3 Radiator is dirty or its fins are clogged. Clean the radiator. See page 6-6.
4 Radiator fan motor is not operating.
5 Engine load is excessive. Reduce the payload. See page 4-10.
If coolant is leaking, request a repair by your
dealer.
Use the dealer-specified coolant and tap water
with the proper mixing ratio.
If the motor does not operate when the main
switch on the helicopter is turned to FLIGHT,
request a repair by your dealer.
See page 4-20.
See page 4-20.
Coolant gushed out of recovery tank
Main Cause User Action Remarks
1 Engine overheats.
Immediately stop the flight, and check the contents in the previous section “Engine overheats”.
9-2
Loading...