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24i - 28i / CS  Engine Manual

more infos: www.3w-modellmotoren.de

Important!

For your safety and for the safety of those around you -- also to learn what is required to maintain your warranty -

we strongly advise you to read this entire manual carefully BEFORE you start using the engine.

Safe Operation and 3W's Conditional Warranty

For safe operation and to maintain your warranty you must:

 Have a properly designed engine box on your model

 Mount the engine correctly

 Provide adequate air flow and cooling for the engine

 Provide adequate air flow and cooling for the exhaust

 Use an approved propeller and spinner

 Drill the propeller correctly

 Balance the propeller correctly

 Tighten the propeller bolts correctly and check them regularly

 Properly mount your ignition to avoid overheating

 Use the correct battery and regulator (if applicable) for your ignition

 Use the correct switch for your ignition

 Use an appropriate fuel tank, plumbing lines, and installation

 Use the appropriate fuel for break in and after break in (gas and oil)

 Insure adequate filtering of your fuel

 Maintain your engine properly, keeping it clean, etc.

 Use a pre-flight check list before flying your model

 Secure your model properly when starting

• 

Not use your fingers or hand to start your model

 Adjust your carburetor correctly

 Not adjust your carburetor while the engine is running

 Insure that your spark plug is in good condition and is secured correctly

 Insure that your ignition wires are not frayed and are protected

 Insure that your ignition cap is securely mounted

• 

Keep all people behind the line of the prop

 Do not put anything (i.e., fingers, body parts, objects, et al) into the rotating propeller

 Keep children away. All spectators should be kept a safe distance away from the running engine.

 Wear proper apparel. Do not wear loose clothing, gloves, neckties, jewelry, or neck straps for your radio

which may get caught in the moving propeller.

 Always wear eye protection when starting the engine.

 Do not operate this engine if you are under the influence of any drugs, alcohol or medication that could affect

your ability to use the engine properly.

Disclaimer

We cannot control how safely our products will be used. And, therefore we do not accept any  responsibility for

damage, or injury from their usage.

Summary of Contents for 24i CS

Page 1: ...ENGINE MANUAL 24i 28i CS www 3w modellmotoren com 24i 28i...

Page 2: ...n designing two and four stroke engines for gasoline and diesel for 38 years We are continually looking at new technologies and working on new designs Please be assured that we at 3W always strive to...

Page 3: ...rmany direct at your costs The garantee is limited to the value of the product The guarantee does not cover any damage caused by misuse or neglect accidents abrasion exposure to extreme temperatures s...

Page 4: ...equate filtering of your fuel Maintain your engine properly keeping it clean etc Use a pre flight check list before flying your model Secure your model properly when starting Not use your fingers or h...

Page 5: ...ox should be stiff enough to prevent engine vibration and it should also have a solid firewall The firewall of the motor box should be made from 1 4 aircraft plywood for engines up to 106cc or 3 8 air...

Page 6: ...crank case will be distorted leading to the crankshaft starting to twist further leading to the crank case being destroyed To mount the engine directly onto a large wide former or firewall for the fo...

Page 7: ...location position of the engine in the fuselage Operating temperature The normal operating temperature range for your engine is 176 212 Fahrenheit 80 100 Celsius If the temperature of the engine rises...

Page 8: ...gap the ignition module can overheat Important If the electronic ignition overheats it will malfunction e g backfiring or shutting down Ignition details The red cable is positive The ignition timing...

Page 9: ...e an identical shape This is especially important when using 3 or 4 blade propellers You must use a drill press to drill your propeller You must drill the propeller from the rear A drill guide is reco...

Page 10: ...nut Then solder the arm in place Refer to the attached illustration Note The use of a soft pushrod for the throttle plastic or nyrod is not recommended Use a metal or carbon fiber pushrod with a plast...

Page 11: ...ay behind the line of the rotating propeller never to the side or the front After Initial Break In Use high grade fully synthetic 2 stroke oil Use the oil manufacturer s recommended gas to oil mixture...

Page 12: ...tank ventilation and the carburetor fuel line Use small plastic cable ties on all fuel line to fitting connections We recommend cutting the fuel line in the fuel tank in half And then joining them bac...

Page 13: ...ly tuned Make sure that no gasoline will be splashed into the hot muffler s Only 3W mufflers or mufflers authorized by 3W with an acceptance test number should be used Only 3W ignition systems should...

Page 14: ...t 20 seconds Due to the high power and torque of the engine s it is not recommended to open the throttle abruptly Precision tuning of the carburetor The use of a tachometer is highly recommended And a...

Page 15: ...and is vibrating strongly Balance the propeller Check the ignition timing Check your plumbing for air fuel leaks Check your spark plug for carbon and check the spark plug gap Check the motor mount to...

Page 16: ...e Vitesse de rotation 1500 8500 min 1 rpm Weight Poids incl ignition 1345g 2 96 Ibs 1210 g 2 67 Ibs Crankshaft 3 ball bearings 3 Roulement billes Connection rod Bielle Needle bearings on both ends Rou...

Page 17: ...24i 28i CS Engine Manual more infos www 3w modellmotoren de mounting bolt pattern ATTENTION this drawing is in 1 1 size disable any Acrobat print setting to fit it into paper size...

Page 18: ...nt consumption depends on the voltage of battery used with increasing voltage current consumption goes down Like all other electronic devices the ignition box gets warm under operating conditions For...

Page 19: ...cat car votre droit de garantie en cas de r clamation n est valade que sur pr sentation de ce document Cette garantie est valable seulement si accompagn e d une preuve d achat Facture du revendeur Con...

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