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Check that the needle-valve is closed. (Do
3.
not overtighten.) Now open the needle-
valve counter-clockwise 2 turns to the
starting setting.
Mark
Turn needle-valve clockwise to close
Close
(for leaner mixture)
Turn needle-valve counter-clockwise
to open (for richer mixture)
Open
4.
Open the throttle fully and deliver fuel to the
carburetor by applying an electric starter for
a very short time.
Set the throttle valve at 1/3 open from fully
5.
closed position and connect battery leads to
glowplug.
Attention :
Do not choke the carburetor air intake when
applying the starter.
This could cause an
excessive amount of fuel to be drawn into the
cylinder which may initiate an hydraulic lock
and damage the engine.
If the engine does not start within 10 repeat
applications of the starter, remove the glow-
plug, check that it glows brightly and that the
cylinder is not flooded with fuel. (To eject
excess fuel, close needle-valve and apply
starter with glowplug removed.) Then try again.
VERY IMPORTANT!
Before being operated at full power (i.e. at full-
throttle and with the needle-valve closed to its
optimum setting) the engine must be adequately
run-in, otherwise there is a danger of it becoming
overheated and damaged.
6.
Connect battery leads to glowplug.
Bring electric starter into contact with
7.
spinner-nut or spinner and depress starter
Switch for one to two seconds. Repeat if
necessary.
When
withdraw the starter immediately.
8.
When the engine is started, open the throttle
slowly to full open. Run the engine 5~6
seconds without changing needle-valve
position. If the r.p.m. lower due to rich
mixture, close the needle-valve a little.
Now disconnect battery leads and close the
9.
needle-valve slowly one click at a time.
Abrupt closing may stop the engine specially
when the engine is new and running-in is
incomplete.
22
How to stop the engine
Pull down the throttle lever and trim lever on
the transmitter fully.
Note:
Make sure that the throttle linkage is made
so that the throttle is fully closed when the
throttle lever as well as trim lever on the
transmitter are fully pulled down.
23
the
engine
starts,
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