Zenoah G270RC, G240RC User Manual

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848ER893A0 (804)

OWNER'S MANUAL

Model: G240RC/G270RC

Model code: X374323111 (G240RC)

Model code: X374326111 (G270RC)

Thank you for using ZENOAH ENGINE.

Please read this Owner’s Manual thoroughly before operating and use the engine correctly according to this Owner’s Manual.

(For safety reasons, please contact your sales dealer before operating this engine if there is something that you do not understand.)

This engine has been designed for the use of radio control car.

Please use this engine in conjunction with the manual for radio control car or radio control equipment you are going to use.

Any modification of the engine or any use of other applications is prohibited.

The purchaser (user) shall bear all obligations and responsibilities stipulated by law, local ordinance and the likes.

Husqvarna Zenoah Co., Ltd. shall bear no responsibility whatsoever.

Zenoah G270RC, G240RC User Manual

2

CONTENTS

SPECIFICATIONS.....................................................

4

SAFETY PRECAUTIONS..........................................

5

FUEL .........................................................................

7

ENGINE STARTING..................................................

8

OPERATION .............................................................

9

MAINTENANCE ......................................................

10

SPECIAL TOOLS ....................................................

15

SERVICE GUIDE ....................................................

16

TROUBLE SHOOTING ...........................................

19

PARTS LIST (G240RC)...........................................

22

PARTS LIST (G270RC)...........................................

26

WARRANTY ............................................................

30

3

SPECIFICATIONS

Engine Type

G240RC

 

G270RC

 

 

 

 

Overall Size (L x W x H)

 

166 x 205 x 196mm

 

 

 

 

Weight

 

2.07kg

 

 

 

 

Displacement

22.5cm3

 

25.4cm3

 

 

 

 

Clutch Engagement

 

6000rpm (STD Spring)

 

 

 

 

Carburetor Type

 

WT-813A

 

 

 

 

Spark Plug

 

NGK CMR7H

 

 

 

 

Spark Plug Gap

 

0.65mm

 

 

 

Rotating Direction

Counter-Clockwise (View From PTO)

 

 

 

 

4

SAFETY PRECAUTIONS

These safety precautions are to prevent you and those people in the vicinity from incurring harm or damage. Make sure to observe these precautions and constantly strive to ensure safety.

Safe use of the engine is your personal obligation and responsibility. Constantly take care to act with good judgment as you enjoy your hobbies.

The fuel is toxic. Do not let it get into your eyes or mouth. Store it in a cool place, out of the reach of infants and children.

Use of open flames around the fuel is strictly prohibited, because of danger of fire.

To prevent burns, make sure not to touch the engine while it is operating or immediately after it has stopped.

Do not run the motor in poorly ventilated places. Do not breathe the exhaust, as it is a health hazard.

Please wear clothing that facilitates your safety. Remove all scarves,

5

SAFETY PRECAUTIONS

overly long sleeves, neckties and the like. Failure to do so could result in injury.

When mounting the engine to a model, make sure to follow the model’s operating manual. If necessary, reinforce the engine mounting unit and the peripheral parts.

6

FUEL

Mix gasoline (octane over 95) and high grade 2 cycle engine oil (mixing use type; F3C grade or ISO EGC grade) at mixing ratio 25~40:1.

The mixing ratio is according to the oil recommendation.

[ NOTE ]

1)Never use any alcohol fuel or alcohol added fuel, or the rubber parts in the carburetor and engine will be damaged.

2)Gasoline is very flammable. Avoid smoking and any fires near fuel.

3)To prevent all possible problems on fueling system, make sure to use the fuel filter which has more than 300 mesh or equivalent and gasoline proof rubber pipe or equivalent.

Incorrect fuel filter may cause engine trouble like fuel passage stuffing in carburetor, or piston surface scratching etc.

7

ENGINE STARTING

Fig.1

Primer Pump

Choke Lever

Close

Open

Fig.2

Throttle Lever

Fig.3

Push the primer pump several times until overflown fuel flows out. (Fig.1)

Close the choke lever, and move the throttle lever 1/4~1/3 open position. (Fig.1)(Fig.2)

Pull the starter(knob) quickly until first firing noise. (Fig.3)

Open the choke(Fig.2), throttle idle~1/4 open

Pull the starter quickly

Operate engine for a few minutes for the warming up.

IMPORTANT

In case of engine warm condition, choking may not be necessary.

Over choking may cause starting difficulty due to wet spark plug.

In this case change spark plug or dry it, and remove fuel rest in the cylinder by pulling starter.

8

OPERATION

This engine is already tuned up to get high power and high speed, and needs correct maintenance to keep such high performance.

The details for operation may be described in the separate owners manual to be issued by car manufacturer.

Be sure to have the engine cool down for 30 seconds at idle speed after full throttle running.

9

MAINTENANCE

1) MAINTENANCE CHART

 

 

Before

Every

Every

 

Items

Action

Use

25 hours

100 hours

Note

 

 

 

 

 

 

Leakage,

Check

 

 

 

 

Damage/Crack

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Idling Speed

Check/Adjust

 

 

 

 

 

 

 

 

 

 

Air-cleaner

Check/Cleaning

 

 

 

Replace if necessary

 

 

 

 

 

 

Spark Plug(gap)

Check/Adjust

 

 

 

 

 

 

 

 

 

Cylinder(barrel)

Check/Cleaning

 

 

 

 

 

 

 

 

 

Piston, Ring

Check/Cleaning

 

 

 

 

 

 

 

 

 

Muffler & Bolt

Check/Cleaning

 

 

 

 

 

 

 

 

 

Bearings

Check/Cleaning

 

 

 

 

 

 

 

 

 

Crank Shaft

Check/Alignment

 

 

 

 

 

 

 

 

 

10

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