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④ Mount the engine in the aircraft surely following the manufacturer’s instruction.
⑤ Keep unauthorized people away from the engine more than 30 meters before starting it, also do not allow
them coming close to a running engine, or there is a possibility of injury.
⑥ When checking a spark plug with the power switch turned on, do not hold the plug, the plug cap, and the
high-tension cord, or you will get an electric shock.
⑦ Make sure of using a proper diameter and pitch propeller, power train and rotor, or there is a possibility of
injury
⑧ Do not use the propeller, powertrain, and rotor with a crack, damage, or malfunction, also do not modify
them, or there is a possibility of piecing apart during operation.
⑨ Be sure to use accessory screws to fit a propeller and a clutch with designated torque mentioned in the
instruction manual. Check if the screws are properly fastened every time before flight, or there is a possibility
of injury during operation.
⑩ Always check the throttle linkage. If it is disconnected, throttle movement becomes uncontrollable, which
may result in a serious accident.
⑪ Do not wear ties, loose sleeve shirt, scarf, a transmitter hook band when you come close to the rotating
propeller, drive train, and rotor. Do not carry a pencil, a screwdriver in your shirt pocket from where they
could fall through the propeller arc.
⑫ Wear safety glasses, and use the built-in starter when you start the engine.
⑬ Do not start the engine in an area containing loose gravel or sand. The propeller may throw such material
in your face and eyes and cause injury.
⑭ If you have to carry the aircraft to runway with the engine running, make the engine on idling. Keep the
propeller pointed away from you and others with keeping an eye on it.
⑮ Turn off the ignition module when you stop the engine or fully close the carburetor via the transmitter to
shut off the fuel supply. Otherwise there is a possibility of injury.
⑯ Right after the engine is stopped, the engine may start with a crank even the igniter is turned off. Do not
crank the engine, or there is a possibility of injury.
⑰ Be sure to install an externally operable switch for the ignition system to stop the engine if it starts
unintentionally with the transmitter turned off or there is the possibility of injury.
⑱ Design the throttle linkage, with which the engine can be stopped via transmitter.
3.
NOTIFICATION ON INSPECTION, MAINTENSANCE, AND REPAIR OF THE ENGINE
The following instruct the general precaution, which need to be followed upon engine inspection, maintenance
and repair.
(1) Must use new genuine parts to replace any old ones.
(2) Clean the engine and its peripheral equipment before the work.
(3) Always use the right size tools in correct way. Do not use wrong size tools or tools for different purpose.
(4) Make sure the fuel tank has been removed out of aircraft before disassembling the engine otherwise specified.
(5) Make sure that all the system is turned off or batteries are removed before disassembling the engine otherwise
specified.
(6) To avoid assembling wrong parts to the engine, keep the different parts grouped after disassembling.