TM 55-2840-254-23
1-107
1-107 TEST ENGINE (AVIM) (Continued)
5. FLIGHT IDLE CHECK
a. N1 speed, as indicated on gas producer turbine speed indicator, shall be determined from graph below
within 1 percent.
NOTE
Set N2 master hydronic control to the maximum position, then slowly advance the N1 master
hydronic control until the correct flight idle speed is obtained.
Nominal Flight Idle (No Load) Gas Producer Speed and Acceleration Time Limits
Versus Engine Inlet Temperature
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