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Low coolant temperature
-Check coolant qty. caution light (WATER LEVEL).
NOTE
During an extended descent from high altitudes with a low power setting coolant temperature may decrease.
if on:
-Reduce power.
-Expect loss of coolant.
WARNING
A further decrease in coolant temperature must be expected. Prepare for an emergency landing in accordance with 3.5.1 -EMERGENCY LANDING WITH ENGINE OFF.
Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 4B - 6
4B.2.3 OIL TEMPERATURE OT
High oil temperature -Check oil pressure.
if the oil pressure is low:
-Reduce power. -Expect loss of oil with engine failure. Prepare for an emergency landing in accordance with 3.5.1 - EMERGENCY LANDING WITH ENGINE OFF.
if the oil pressure is within the green range:
-Reduce power.
-Increase airspeed.
Low oil temperature
-Increase power.
-Reduce airspeed.
Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 4B - 7
4B.2.4 OIL PRESSURE OP
High oil pressure
-Check oil temperature.
-Check coolant temperature.
if the temperatures are within the green range:
-Expect wrong oil pressure indication. Keep monitoring temperatures.
if the temperatures are not within the green range:
-Reduce power. -Expect engine failure. Prepare for an emergency landing in accordance with 3.5.1 -EMERGENCY LANDING WITH ENGINE OFF.
CAUTION
When starting a cold engine, the oil pressure can be as high as 6.5 bar for a maximum of 20 seconds.
Low oil pressure
NOTE
If the RPM indication is less than 1500 RPM with the power lever at IDLE, the oil pressure must drop into the red range to cause the caution light to illuminate.
-Reduce power. -Expect loss of oil with engine failure. Prepare for an emergency landing in accordance with 3.5.1 - EMERGENCY LANDING WITH ENGINE OFF.
Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 4B - 8
4B.2.5 GEARBOX TEMPERATURE GT
High gearbox temperature
-Reduce power.
-Increase airspeed.
4B.2.6 FUEL TEMPERATURE FUEL TEMP
High fuel temperature
-Reduce power.
-Increase airspeed.
Low fuel temperature
-Increase power.
-Reduce airspeed.
Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 4B - 9
4B.3 FAILURES IN THE ELECTRICAL SYSTEM INDICATED ON THE ANNUNCIATOR PANEL
4B.3.1 LOW VOLTAGE CAUTION (LOW VOLTS)
This caution is indicated when the normal on-board voltage (14 V) drops below 12.6 V.
Possible reasons are:
-A fault in the power supply.
-RPM too low.
(a) 'Low Voltage' caution on the ground
1.
Circuit breakers ...................... check
2.
Power lever ......................... increase RPM
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