AquaCraft Air Force - Manual (Page 10)

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3. Remove the fuel line stopper from the fill line and insert
the filler nozzle (not included).
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4. Fill the tank almost to the top (viewable from the back)
of the tank. Leave a little air at the top of the tank. Excess fuel
will flow out of the tank pressure line.
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5. Replace the fuel line stopper and tank pressure line.
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6. Open the high-speed needle valve three full turns out
(counterclockwise) from fully closed. The high-speed needle
is sticking out the left side of the engine (looking at it from
behind the prop). If you have previously run the boat, keep
the same needle valve setting that you used on your last run.
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7. Prime the engine by rotating the propeller counterclockwise
with the carburetor intake choked. CAUTION! Use a glove to
protect your hand while rotating the propeller. Once you see fuel
reach the carburetor (in the fuel line), rotate the engine 2-3 more
times. It’s ready to start.
IMPORTANT NOTE! This engine uses an ABC construction
(Aluminum piston with a Chrome plated Brass cylinder liner)
which provides outstanding performance and long life. When
new, your engine will feel tight and difficult to rotate. It may
even squeak when approaching top dead center. This is
normal and is the result of the precision tolerances of the
tapered cylinder. After fuel starts flowing through the engine,
this tight condition will “break in” and the engine will turn
over easier. If you a using a safety stick to start the engine for
the first time, we recommend that you place 5 to 7 drops of
After Run Oil (HCAR3000) through the glow plug hole and
rotate the engine 12 or more times. This will make the engine
easier to flip start.
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8. Secure the glow starter onto the engine’s glow plug.
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9. Check that the throttle is 1/8 open from the fully closed
position. Bring the electric starter into contact with the
spinner and depress the starter switch for one or two seconds.
Repeat, if necessary. When the engine fires, withdraw the
starter immediately. If using a safety stick, quickly flip the
propeller counterclockwise.
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