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ABOUT THE ENGINE

STANDARD ACCESSORIES

ENGINE PARTS NAME

Beam Mount

Drive Hub

INSTALLATION

Glow Gasoline

Plug G5

Cylinder Head

Crankcase 

Cover Plate

Crankshaft

Propeller Washer

Propeller Nut

It is suggested to use an engine mount as heavy and 

rigid as possible for highest performance and safe 

running. Install the engine on a mount using at least 

3mm steel screws, such as Allen type, with locknuts, 

for bolting the engine to the bearers.
Also, use the Nord Lock Washers (optional extra) 

and other anti-loosening washers or apply locking 

agent.

Be sure that there is sufficient air intake and outlet 

area on the model for engine cooling to avoid 

overheating. (Pay careful attention to the cooling 

since a gasoline engine generates more heat than an 

alcohol based glow engine.)

GGT10

600930500000

It is of vital importance, before attempting to operate your 

engine, to read the general 'SAFETY INSTRUCTIONS 

AND WARNINGS' in the following section and to strictly 

adhere to the advice contained therein.

Also, please study the entire contents of this 

instruction manual, so as to familiarize yourself with 

the controls and other features of the engine.

SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O.S. ENGINE

The advice which follows is grouped under two 

headings according to the degree of damage or 

danger which might arise through misuse or neglect.

WARNINGS

NOTES

These cover events which might involve serious 

(in extreme circumstances, even fatal) injury.

These cover the many other possibilities, generally less 

obvious sources of danger, but which, under certain 

circumstances, may also cause damage or injury.

WARNINGS

Remember that your engine is not a " toy ", but a 

highly efficient internal-combustion machine whose 

power is capable of harming you or others, if it is 

misused or abused. As owner, you, alone, are 

responsible for the safe operation of your engine, so 

act with discretion and care at all times. If at some 

future date, your O.S. engine is acquired by another 

person, we would respectfully request that these 

instructions are also passed on to its new owner.

If you have to carry the model to the take-off point 

with the engine running, be especially cautious.  

Keep the propeller pointed away from you and walk 

well clear of spectators.

To stop the engine, fully close the throttle valve via 

the transmitter to shut off the fuel supply. Otherwise 

there is a possibility of injury.

Do not crank the engine right after the engine is 

stopped because the engine may start with a crank 

even when the glow plug is not ignited. Failing to do 

so may cause injury.

Connect the throttle linkage so that the engine can 

be stopped via radio operation.

Always check the throttle linkage.If it is disconnected, 

throttle action becomes uncontrollable, which may 

result in a serious accident.

Take care that loose clothing (ties, shirt sleeves, 

scarves, etc.) do not come into contact with the 

propeller. Do not carry loose objects (such as 

pencils, screwdrivers, etc.) in a shirt pocket from 

where they could fall through the propeller arc.

Use an electric starter for this engine. The wearing of 

safety glasses is also strongly recommended. 

If you try hand starting, be sure to use a chicken stick 

or heavy glove. Never attempt to start the engine 

with a bare hand.

Be sure to carry out adjustments of the high speed 

needle and slow speed needle after stopping the 

engine.

Do not start your engine in an area containing loose 

gravel or sand. The propeller may throw such 

material in your face and eyes and cause injury.

Discard any propeller which has become split, 

cracked, nicked or otherwise rendered unsafe. 

Never attempt to repair such a propeller: destroy it. 

Do not modify a propeller in any way.

Install the propeller on the shaft so that the curved 

face of the blades faces forward – i.e. in the direction 

of flight. Firmly tighten the propeller washer and 

propeller installing screws using the correct size 

wrench. Always check the tightness of propeller 

installing screws and retighten them, if necessary, 

before starting the engine. Also, check the tightness of 

all the screws and nuts before restarting the engine.

Install a top-quality propeller of the diameter and 

pitch specified for the engine and aircraft.

Any propeller requires utmost attention to handle. 

Be sure to follow the instruction manual supplied with 

a propeller.

This engine was designed for model aircraft. 

Do not attempt to use it for any other purpose.

Start the engine only after installing it in the model. 

Do not start the engine before installing it in the 

model, or there is a possibility of injury.

Be sure to use an effective silencer (muffler). 

Frequent exposure to an open exhaust may 

eventually impair your hearing. Such noise is also 

likely to cause annoyance to others over a wide area.

Mount the engine in your model securely, following 

the manufacturers’ recommendations.

For their safety, keep all onlookers (especially small 

children) well back (at least 10 meters) when 

preparing your model for flight.

NOTES

Model engines generate considerable heat. Do 

not touch any part of your engine until it has 

cooled. Contact with the muffler (silencer), 

cylinder head or exhaust header pipe, in 

particular, may results in a serious burn.

Observe the laws and regulations in each 

country and district concerning the usage, 

transportation and storage of gasoline. Ask 

details at the fire station in each district.
Never operate your engine in an enclosed space. 

Model engines, like automobile engines, exhaust 

deadly carbon-monoxide. Run your engine only 

in an open area.
Do not operate the engine nor model alone, or 

there is a possibility of injury.

Carry out the mixing of the gasoline and 

oil outdoors or in a well ventilated place 

away from any source of fire to prevent the 

possibility of a fire.
Refill the fuel tank only after the engine is 

well cooled down, or there is a danger of fire.

Never touch, or allow any object to come into 

contact with the rotating propeller and do not 

crouch over the engine when it is running.
Gasoline is poisonous. Do not allow it 

come into contact with the eyes or mouth. 

Always store it in a clearly marked 

container in a cool and dark place and out 

of the reach of children. There is a 

possibility that it may damage your health.
Gasoline is highly flammable. Keep it away 

from an open flame, excessive heat, 

sources of sparks, or anything else which 

might cause it to ignite. Do not smoke or 

allow anyone else to smoke near to it.

E-3071 Silencer Assembly

Silencer Retaining Screw (M3x35 2pcs.)

Pump Unit PD-08

Carburetor

Type 61HB

INSTALLATION OF SILENCER

Secure the silencer to the engine by means of two 

retaining screws supplied after the engine is securely 

mounted on a model.

Loosen the locknut of the silencer and assembly screw.

1.

Set the exhaust outlet at the required position by 

rotating the rear part of the silencer.

Re-tighten the assembly screw, followed by the locknut.

3.

2.

How to adjusting the carburetor of this engine is 

completely different from that for the conventional glow 

engine’s carburetor. Please study the CARBURETOR 

ADJUSTMENT section so as to familiarize yourself 

with the controls and other features.

GGT10 is a glow gasoline engine ignited by a glow 

plug but using gasoline. So no ignition module and 

battery is required.

This engine is designed for experienced fliers.  

Beginners and newcomers should not use this engine.

The engine unit, silencer and carburetor are 

specially designed.

The normal rotation direction of the engine is 

counterclockwise facing to the propeller.

It offers broad power characteristics suitable for 

sport flight as well as acro flight.

The large and dense cooling fins ensure sufficient 

cooling against overheating.

We apply a “G5” glow plug to GGT10, which is 

exclusively developed for Glow Gasoline engines.  

Buy only the same glow plug when you replace it to 

the new one due to a break or deterioration. The 

conventional glow plugs for alcohol based glow 

engines such as No.6 (A3), No.7, No.8, No.10 (A5) 

are not applicable to GGT10.

The supplied E-3071 silencer develops very efficient 

silencing.

Two stroke glow gasoline

engine for airplanes

Go outside and stay away from the 

vaporized gasoline when you check the 

power distribution of the glow plug attached 

to the glow plug igniter by looking at the 

filament.  Failing to do so may cause fire.

Notice on G5 glow plug for GGT10

The rated current of the G5 glow plug is 2.5A. 

Reports indicate that the G5 plug’ s filament may 

melt when current above 2.5A is applied. Because 

the electrical resistance of this plug is higher than 

that of conventional glow plugs (such as the #8), 

the G5 does not glow as brightly. Especially when 

viewed outdoors under the sun, you may not even 

notice that the G5 filament is glowing when 2.5A 

current is applied. Several additional factors 

besides excessive current may cause the filament 

to melt. Avoid over-leaning your engine, and do 

not adjust its carburetor needle with the throttle 

lever fully up while applying a glow plug igniter.

Notice on 61HB carburetor clogging

Gasoline engine carburetors generally have 

narrower fuel passages for better fuel mileage than 

glow engines. As a result, the passages clog easily 

if a fuel filter is not used. You should insert a 

gasoline-resistant fuel filter — finer than #200 

mesh — between the fuel tank and the engine (if a 

T-shaped tank nipple is used, place the filter 

between the nipple and the engine). 

Gasoline fuel filter S (code#7830000) is equipped as a 

standard accessory between the pump and carburetor. 

When filling your fuel tank from a gasoline container, 

always use the O.S. Super Filter L (part #72403050) 

to prevent dust from entering the tank. A clogged 

carburetor can cause inconsistent running, stalling, 

and overheating. If your carburetor becomes 

clogged, it must be disassembled and cleaned. 

When taking apart the carburetor, remember the 

assembling order. Be careful not to lose small 

internal parts. If you’ re not confident performing 

this type of maintenance, take the engine to the 

hobby shop where you purchased it or send it to the 

service center of your country’ s O.S. distributor.

Gasoline Fuel

filter S 

The exhaust outlet of the silencer can be rotated to 

any desired position in the following manner:

Nut (M3x0.5 2pcs.)

Summary of Contents for GGT10

Page 1: ...nsiderable heat Do not touch any part of your engine until it has cooled Contact with the muffler silencer cylinder head or exhaust header pipe in particular may results in a serious burn Observe the laws and regulations in each country and district concerning the usage transportation and storage of gasoline Ask details at the fire station in each district Never operate your engine in an enclosed ...

Page 2: ...LINKAGE Before connecting the throttle to its servo make sure that the throttle arm and linkage safely clear any adjacent part of the airframe structure etc as the throttle is opened and closed Connect the linkage so that the throttle is fully closed when the transmitter throttle stick and its trim lever are at their lowest settings and fully open when the throttle stick is in its fully open posit...

Page 3: ...ing in such as to avoid prolonged full throttle running and increase load gradually 2 Adjustment after running in Open the mixture control valve 60 degrees from the original position factory setting Start the engine Open the throttle fully 10 seconds to warm the engine up Close the throttle fully Set the idling RPM at round 3 000 with the throttle trim on the transmitter Stop the engine Close the ...

Page 4: ...tle Lever Assembly Throttle Lever Retaining Screw Carburetor Rotor Mixture Control Valve Assembly O Ring L 2pcs O Ring S 2pcs Carburetor Body Roter Guide Screw Universal Nipple L3 5 Needle Valve Assembly Needle Assembly Set Screw O Ring 2pcs Needle valve Holder Assembly Ratchet Spring No 4 No Code No Description 4 5 7 S M3X3 6 7 1 7 3 7 2 7 5 7 4 1 2 3 3 1 3 2 N M3x6 1 1 C M3x15 SPECIFICATIONS 1 2...

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