Engine Starting - O.S. engine MAX 140RX FI Owner's Instruction Manual

Engine Starting

(1) Always be sure to close the throttle stick to idle position before applying the starter and
starting battery.
dangerous.) After the engine has started, gradually move the throttle stick on the transmitter
to the full high position. Then gradually move the throttle stick to the full slow position and
disconnect the plug heater.Again move the throttle stick to the full high position and check the
engine speed.
Adjust the injection trim volume with the injection trim adjustment dial (spare channel dial) so
that engine speed stabilizes at around 7,600 rpm (this may vary slightly depending on the
propeller used). Adjust the air-fuel mixture in the rich direction if the TmM TmH display on the
EC-1 is (+), or in the lean direction if the display is (-). The contents of the adjustment are
instantaneously stored in memory. Move the stick to the slow position. At this time, return the
injection trim adjustment dial (spare channel dial) to the center (0) position.
(2)
Put the throttle stick in the center position. After a short time (5-10 seconds), check the engine
speed. Adjust the injection trim volume with the injection trim adjustment dial (spare channel
dial) so that engine speed stabilizes in the vicinity of 6,500 rpm (this may vary depending on
the propeller used). The contents of the adjustment are instantaneously stored in memory.
(3)
Put the throttle stick in the full slow position. Return the injection trim adjustment dial (spare
channel dial) to the center (0) position. Adjust the throttle trim so that engine speed at full slow
stabilizes in the vicinity of 1,800 rpm.
There is hardly any need to adjust fuel injection volume during full slow. (The initial fuel
injection volume can be used without modification unless engine speed is especially
unstable.) If engine speed is unstable, press the function key on the EC-1 and display TRL
+0%. When desiring to make the air-fuel mixture richer, press the data (+) key to increase
the injection volume. Conversely, if desiring to make the air-fuel mixture leaner, press the
data (-) key to decrease the injection volume.
These increases or decreases are display as ±
in memory even if the power is turned off, it is not necessary to make these adjustments for
every flight.
(4) Reconfirm whether engine speed reliably responds to throttle operation at all speeds, and
whether the throttle stick responds from slow operation to quick operation. Adjustments are
satisfactory if engine speed remains stable.
Note:
Injection trim adjustment during TmD Fine uses the same adjustment dial for both
intermediate slow and high. (The use of an incremental system allows the same dial to be
used for both.) If adjustment is still not adequate when the dial is turned all the way to the
right or left during adjustment, temporarily move the throttle stick to the full slow position
and move the dial to the center (0) position. This also allows adjustment of the air-fuel
mixture. The injection trim volume at intermediate slow and full high do not change even if
the adjustment trim dial is moved with the throttle stick in the full slow position.
In the case of a new engine, start adjustment of injection trim volume on the rich side and
then readjust after making 2 or 3 flights.
(Do not attempt to start the engine manually since this is potentially
%. Since these adjustments are stored
14