TM 55-2840-254-23
1-107 TEST ENGINE (AVIM) (Continued)
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12. FLIGHT IDLE CHECK
a. Select N1 speed for flight idle from graph below; then slowly advance N1 master hydronic control to
flight idle speed determined.
b. Maintain speed for 2 minutes. After 2 minutes have elapsed, take a short reading.
Nominal Flight Idle (No Load) Gas Producer Speed and Acceleration Time Limits
Versus Engine Inlet Temperature
13. ACCELERATION CHECKS
NOTE
Maximum power trim stop 2-161-201-02 or cold weather trim
tool LTCT5985 must br in place 10 limit power lever travel to
maximum power flat spot.
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