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Start the engine.
open the throttle fully .
Adjust the neede-valve.
Close the throttle gradually.
Find the idling position.
Fix the idling position.
Open the throttle fully.
Does the engine
regain full power?
Continue running at high speed
for 5 seconds.
Close the throttle.
Run at idling speed for 5 seconds.
Does the engine stop?
Apply full throttle.
Does the engine
regain full power
immediately?
OK
Re-set the idling position at
a little higher r.p.m.
Set the throttle opening by
means of the throttle trim on
the transmitter so that the lowest
practical speed, without risk of
the engine stopping,is obtained.
The position where the lowest
possible r.p.m. ,with steady
running, is obtained.
Approx 40˚ open from maximum
r.p.m. setting.
Yes.
No.
Yes.
Engine stops.
Engine stops.
Disconnect the glowplugs from the battery.
Make sure that all 2 cylinders are firing.
Make sure glowplug heat is switched.
The engine hesitates before picking
up to full speed, or appears to run at
medium speed with reduced power.
Check mixture adjustment at idling
speed. Make sure that all cylinders
are firing.
Adjustment should be carried
out after stopping the engine.
Do not move needle-valve
while adjusting other controls.
Repeat the procedure while opening and closing the
throttle until the best result is obtained.
Attention: Do not leave the battery connected while adjusting the carburetor.