S201 AFM
4 - NORMAL PROCEDURES
4.4 - CHECKLISTS FOR NORMAL
OPERATING PROCEDURES
27/06/2019
SONAIR-S2-D-MAN-006
Page : 4-16
Rev. : A
4.4.4
STARTING THE ENGINE
1. Choke
- pull for cold start only (engine at ambient T°)
2. Throttle
- idle if choke used,
- 1cm max forward from idle if choke is not used
3. Magneto / ignition switch - on (Both)
4. Propeller area
- clear of people and obstructions
5. Starter
- engage, maximum 10 seconds with no
interruption. Wait 2 min for next attempt if start
fails. See Caution below.
Immediately after engine start-up:
6. Throttle
- adjust for smooth running at 2000 rpm.
7. Oil pressure
- check if in green range within 10 seconds.
8. EMS
- verify battery charging
9. Choke (cold engine)
- if used, gradually release
10. Avionics switches (both)
- on.
11. Warm engine
- 2000 rpm for 2 minutes, then 2500 rpm until
oil temp is 50 °C.
WARNING
Do not operate the aircraft if any deficiency shows up. Refer to
Maintenance Manual for corrective actions.
NOTE
Alternator 1 does not charge the battery below 3000 RPM. ALT 2 Master
Switch must be on during warm-up and taxiing to ensure positive charge and
prevent battery depletion.