Translations:KAVAN AP09A - Instruction Manual/54/en - Revision history

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2026-01-28T12:44:32Z

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2025-10-24T07:07:01Z

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	==== ~~'''~~Electric start~~'''~~ ====		==== Electric start ====
	When using the electric starter, preliminary fuel filling is not necessary. The starter is capable of turning the engine fast enough to easily draw in enough fuel on its own. Therefore, never block the exhaust outlet or carburettor intake with your hand, as this could cause excessive fuel to be drawn in, resulting in flooding. Blocking the engine while it is being turned by the electric starter can lead to a broken connecting rod or twisted crankshaft. Before using the electric starter, always turn the engine at least once by hand to make sure it is not blocked due to flooding.		When using the electric starter, preliminary fuel filling is not necessary. The starter is capable of turning the engine fast enough to easily draw in enough fuel on its own. Therefore, never block the exhaust outlet or carburettor intake with your hand, as this could cause excessive fuel to be drawn in, resulting in flooding. Blocking the engine while it is being turned by the electric starter can lead to a broken connecting rod or twisted crankshaft. Before using the electric starter, always turn the engine at least once by hand to make sure it is not blocked due to flooding.
			# Disconnect the power to the glow plug and install a 7×4“ propeller.
			# Fully close the needle valve and then open it by 2.5 turns. Fully closed is when the high-speed needle valve is screwed clockwise all the way into the assembly. Unscrewing the needle valve enriches the fuel mixture.
			# If you are using an electric starter, follow the steps mentioned in the paragraph above. If you are hand cranking, follow the respective guide mentioned above.
			# Set the carburettor to approximately ¼ throttle. Connect the power to the glow plug. If you are using a Power panel, set the glow plug current to 3–4 Amps.
			# Turn the engine once by hand or with an electric starter. If hand cranking, repeatedly turn the propeller through the top dead center several times with a sharp swing before the engine will start.
			# Once the engine starts, open the throttle to full, and immediately start closing the valve needle (leaning the mixture) by small steps (max. ¼ of a turn), until the engine runs smoothly without stalling. At this stage, thick white smoke will come out of the exhaust and the engine will sound as if it is running heavily (four-stroke sound). This is a good setting for a rich mixture.
			# After running the engine for 20 to 40 seconds, disconnect the the glow plug power. If this is a first run of the engine, please follow the steps in „Breaking-in“.
			# If restarting the engine while warm, simply connect the power to the glow plug and turn the engine once. If the engine is very hot, it may need to be re-primed. Only commence in re-priming the engine if it does not fire. A too hot engine can sometimes burn the prime prematurely. If the engine is that hot, let it cool for a few minutes before restarting. You may also wish to re-evaluate your needle valve setting, because the mixture may be set too lean.

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2025-10-15T09:25:41Z

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	'''~~If hand-cranking the engine,~~''' ~~always use a „chicken stick“~~. ~~NEVER use~~ your hand ~~or other body parts~~ to ~~start~~ the engine. ~~See~~ the ~~safety section for more details. Always read~~ the ~~safety section completely before attempting~~ to ~~run an AP09 engine~~.		==== '''Electric start''' ====
			When using the electric starter, preliminary fuel filling is not necessary. The starter is capable of turning the engine fast enough to easily draw in enough fuel on its own. Therefore, never block the exhaust outlet or carburettor intake with your hand, as this could cause excessive fuel to be drawn in, resulting in flooding. Blocking the engine while it is being turned by the electric starter can lead to a broken connecting rod or twisted crankshaft. Before using the electric starter, always turn the engine at least once by hand to make sure it is not blocked due to flooding.

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2025-08-06T09:23:03Z

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'''If hand-cranking the engine,''' always use a „chicken stick“. NEVER use your hand or other body parts to start the engine. See the safety section for more details. Always read the safety section completely before attempting to run an AP09 engine.