S2-S/Normal Procedures
SECTION 4. NORMAL PROCEDURES
1 PREFLIGHT
A thorough pre-flight inspection is essential to the safe conduct of your flight. The following procedures are recommended:
Front
- Inspect bubble for cracks
- Inspect landing lights
- Inspect airspeed anemometer
- Inspect beacon and front nav lights
- Inspect right skids and struts
Right Side
- Inspect battery and electrical connections
- Inspect primary and auxiliary fuel pumps and fuel lines
2 STARTING
Use the following procedure for normal starts:
- Controls – neutral
- Collective – full down
- Throttle – idle
- Beacon – on
- Fuel Cutoff – on
- Rotor brake - off
- Switches (Bat., Gen., Fuel/Feed Pumps) – on
- Collective – raise slightly, then lower (verify low rpm horn sounds)
- Volts – verify > 9 volts
- Water level – Verify 100%
- Vent valve - Open
- Ignitor – on
- Fuel Flow – 5%
- Boiler fire – verify
- Fuel Flow - Full
- Boiler Temp. – monitor
At 212F Boiler Temp.
- Vent valve – verify steam present
- Wait – 1 min.
- Vent valve - close
- Boiler Press. - Monitor
At 200 psi Boiler Press.
- Throttle – 5%
- Amps – Verify not negative
- Boiler Press. - Monitor
At 300 psi Boiler Press.
- Fuel Flow – apprx. 25%
- Throttle – Increase to 2000 RPM
- Governor – on
- RPM – verify between 2700 and 2900
3 SHUT DOWN
Use the following procedure to shut down the engine:
- Controls – neutral
- Collective – full down
- Governor – off
- Throttle – decrease to 2000 RPM
- Fuel Flow – cutoff
- Ignitor – off
- Rotor brake – on (when below 200 RPM)
- Switches (Bat., Gen., Fuel/Feed Pumps) – off