Engine power turbine speed (N2) : Check both stabilized to Flight
speed, 100%.
NOTE
Avoid any cyclic movement except to prevent hitting blade stops
below 85% rotor RPM.
Engine and transmission parameters : Check within limits.
External power : Disconnect (if used).
Check BATT OFF caution mes-
sage out (only for helicopters
equipped with emergency bus).
INV 1 and 2 switches : ON.
RAD-MSTR switch : ON.
Clock : Set.
Rotor speed (NR) : 100% check.
FALSE START
DRY MOTORING RUN
NOTE
The following procedure is used to clear internally trapped fuel
and vapor or if there is evidence of a fire within the engine.
ENG GOV switch : AUTO or MANUAL.
ENG MODE switch : OFF.
Power control lever : OFF.
ENG FUEL switch : OFF.
Fuel pump : OFF.
STARTER GEN IGN circuit breaker : Out.
RFM A109E
2-28 R.A.I. Approved
Rev. 22