TM 55-1510-221-10
TORQUE
49% MAXIMUM BELOW 1600 RPM
2O-100% NORMAL OPERATING RANGE
100% MAXIMUM
123% TRANSIENT (5 SECONDS)
TURBINE TACHOMETER (N1 SPEED)
52% MINIMUM LOW IDLE
88% MAXIMUM REVERSE (ONE MINUTE)
101.5% MAXIMUM
100.1% MAXIMUM BELOW -48 C
102.6% TRANSIENT (10 SECONDS)
TURBINE GAS TEMPERATURE
400-75OºC NORMAL OPERATING RANGE
66OºC MAXIMUM LOW IDLE
750°C MAXIMUM CONTINUOUS
750°C MAXIMUM REVERSE (1 MINUTE)
850°C MAXIMUM TRANSIENT
1000ºC MAXIMUM STARTING (5 SECONDS)
PROPELLER TACHOMETER
1600-2000 RPM NORMAL OPERATING RANGE
1900 RPM MAXIMUM REVERSE (1 MINUTE)
2000 RPM MAXIMUM
2200 RPM TRANSIENT (5 SECONDS)
OIL TEMPERATURE AND PRESSURE
OIL TEMPERATURE SCALE
10-99ºC NORMAL OPERATING RANGE
0-99ºC CRUISE CLIMB AND RECOMMENDED SPEED
-40-99ºC STARTING. LOW IDLE. HIGH IDLE
99ºC MAXIMUM
104 C TRANSIENT (5 MINUTES)
OIL PRESSURE SCALE
60 PSI MINIMUM
60 TO 85 PSI. 49% TORQUE MAXIMUM
85-135 PSI NORMAL OPERATING ABOVE 21.000 FEET
85-105 PSI CAUTION RANGE BELOW 21.000 FEET
105-135 PSI NORMAL OPERATING BELOW 21.000 FEET
200 PSI MAXIMUM STARTING WITH COLD OIL
NOTE: + 10 PSI FLUCTUATIONS ARE ACCEPTABLE
Figure 5-1 Instrument Markings (Sheet 1 of 3)
5-2
Change 4