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j) Starting the Engine
General information on combustion engines
At commissioning of the new engine, a certain run-in time must be complied with. During this time, engine parts are
tuned to one another, whereby maximal capacity is reached and premature wear is prevented.
Running in therefore needs to be performed very carefully!
Starting the engine cold
The carburettor has an integrated diaphragm pump that activates
when the engine is running.
It uses the alternating over- and underpressure in the crankshaft
housing to transport fuel into the carburettor.
For starting, the carburettor has a manual pump that is used to
transport fuel into the carburettor. This manual pump comprises
a transparent rubber sphere (1), which serves as sight glass for
visual inspection of fuel supply to the carburettor at the same
time.
• Close the choke flap (2) by turning the lever about 90° counter-
clockwise so that it points down; see figure 7.
• Actuate the rubber sphere (1) several times until the gauge
glass is completely filled up with fuel and the fuel reaches the
carburettor.
• Now pull the cable pull starter through repeatedly until you can
hear the first ignition of the engine.
• Then open the choke-flap (2) again by turning the lever approx.
90° to the right clockwise so that it is horizontal and points to-
wards the cylinder head
Now pull the cable pull starter through until the motor starts up.
Hold the model with one hand.
Attention!
Do not pull out the cable starter all the way but only to a
maximum of 3/4 of its length! Determine the rope length
by slow extension without ignition!
Never pull out the cable pull starter with force!
• When the motor goes out again right after the first start-up, close the chock flap (lever must point down) and pull the
cable pull starter through again until the motor runs again.
• Once the motor is running, release the cable pull starter and set the throttle/brake lever at the remote control trans-
mitter to the idle position (for a pistol-grip remote control system: release grip).
• Open the choke valve (put lever horizontally) and let the engine warm up for about 1 to 2 minutes.
48
Figure 7
Figure 8

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