2. Avionics - switch “OFF”
3. Toggle switches - switch “OFF”
4. Throttle - CLOSE
5. Magneto A and B switches - switch “OFF”
6. Wait for engine stop.
7. Master switch - switch “OFF”
4.15. Leaving aircraft
1. Magneto A and B switches - switch “OFF” (check)
2. Master switch and toggle switches – switched “OFF” (check)
3. Emergency Parachute System - LOCK
4. Fuel cocks - CLOSE
5. Canopy – CLOSE, lock
6. Chock or tie down ULL aircraft, Cover canopy
4.16. Cold start procedure
With throttle closed and choke activated (NOTE: an open throttle makes starting carb ineective). Be aware, there is
no spark below a crankshaft speed of 220 rpm (prop. speed of 90 rpm). As performance of electric starter is greatly
reduced when hot, limit cranking to periods not much longer than 1 sec. With a well-charged battery, adding a
second battery will not improve cold starting performance.
1. Use of multigrade oil with the low end viscosity code of 5 or 10
2. Check the electrode gap on spark plugs or t new spark plugs according to Maintenance Manual.
3. Pre-heat engine
4. Remove aerodynamic wheel covers - remove all aerodynamic wheel covers for more safe of operation at:
• low temperatures
• snow operation
Icing due humidity
Carburetor icing due to humidity may occur on the venturi and on the throttle valve due to fuel evaporation and
leads to performance loss and change in mixture.
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