Engine Compressor; 3-13. Engine Oil Pressure; Engine Oiltemperature - Bell BHT-206L3-FM-1 LongRanger-III Flight Manual

TC APPROVED BHT-206L3-FM-1
2.
Subsequent decrease in POWER
engine and drive system components,
TURBINE RPM. and must be handled as an emergency
condition. Stalls of a less severe nature
3. Possible decrease in ROTOR RPM.
(one or two low intensity pops) may
permit continued operation of the
u. Decrease in TORQUE.
engine at a reduced power level,
*PROCEDURE:
avoiding the condition that resulted in
the compressor stall.
1. Collective - Adjust as required to
maintain 90 to 107% ROTOR RPM. If pilot elects to continue flight:
2. Throttle
-
Idle stop. 4. Collective -
Increase slowly to
achieve desired power level.
3. Establish autorotative glide.
5. TURB OUT TEMP
and GAS
PRODUCER RPM - Monitor for
4. Prepare for power-off landing. - Monitor for
normal response.
3-12.
ENGINE COMPRESSOR
6.
Land as soon as practical.
STALLS
*INDICATIONS: If pilot elects to shut down engine:
7. Throttle-- Closed.
1. Engine pops.
8. FUEL VALVE switch - OFF.
2. High or erratic TURB OUT TEMP.
9. Collective - Adjust as required to
3. Decreasing or erratic
GAS maintain 90 to 107% ROTOR RPM.
PRODUCER RPM or POWER
TURBINE RPM.
10. Cyclic - Adjust as required to
maintain desired AIRSPEED.
4. TORQUE oscillations.
ii.
Prepare for power-off landing.
*PROCEDURE:
3-13. ENGINE OIL PRESSURE
1. Collective - Reduce power, LOW, HIGH, OR FLUCTUATING
maintain slow cruise flight.
2. TURB
OUT TEMP and GAS
If engine oil pressure is below minimum or
PRODUCE'RRPM -
Check for
above maximum, land as soon as possible.
normal indications.
If engine oil pressure fluctuates but does not
exceed a limit, monitor engine oil pressure
and temperature and land as soon as
practical.
NOTE
The severity of the compressor stalls 3-14. ENGINE OILTEMPERATURE
will dictate if the engine should be shut
HIGH
down and treated as an engine failure.
Land as soon as possible.
Violent stalls can cause damage to the
18 DEC 2001 Rev. 5 3-9