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Important:
Remember that when the engine running ever
person must stay 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
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Use the oil manufacturer's recommended gas to oil mixture
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Use a high Octane unleaded fuel (98 Octane is recommended)
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We use 3W 2-stroke oil in our engines here in Germany, but there are other high grade
2-stroke oils that will perform well.
Note: The engine needs 12-20 hours running time for the break in process to be 100% complete.
Additional installation notes
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There must be a minimum 4" separation between anything attached to the receiver and
all things related to the ignition (i.e., the ignition itself, and its wires, battery, and switch)
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Use a plastic spiral sheath to protect the ignition cables
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Never remove the sparkplug cap by using a mechanical aid like pliers. Only remove the
cap by hand using a twist/pull movement.
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The spark plug cap must be firmly seated to the sparkplug. If the spark plug cap is not firmly
seated there is a very good possibility that you will experience radio interference.
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Use only ignition on/off switches recommended by 3W
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6 volts is required for the ignition.
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Do not skimp on your throttle servo. A high quality throttle servo is recommended for reliable
and accurate operation of the carburetor.
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Never fill the fuel tank via the carburetor fuel line
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Use the same I.D. for tank ventilation and the carburetor fuel line
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Use small plastic cable ties on all fuel line to fitting connections.
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We recommend cutting the fuel line in the fuel tank in half. And, then joining them back
together with a brass tube. The brass tube prevents a folding of the fuel line with could cut
the fuel supply for the engine (see tank photo).
•
The use of soldered on DUBRO barbs on the ends of the brass tubing is highly recommended.
Again, always secure the fuel line with small plastic cable ties.
example image
© Copyright Qualitätsmanagement 3W, Revision 2, Page 11 from 19, valid from 22.02.2013
Operation manual
3W Modellmotoren GmbH, Hasswiesenstrasse 22, 63322 Rödermark
www.3w-modellmotoren.de