4-1.8 DUAL ENGINE BEEP TRIM INCORRECT, ROTOR RPM NOT 94-96 PERCENT WITH ECL AT FLIGHT

NO. 1 OR NO. 2 ENGINE ROUGH OR SURGING 4-1.7 ACCELERATION FROM GROUND IDLE TO FLIGHT (Continued)

4-1.8 DUAL ENGINE BEEP TRIM INCORRECT, ROTOR RPM IS NOT 4-1.8 BETWEEN 94 - 96 PERCENT WITH ECL AT FLIGHT (Continued)

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 4-1.8 DUAL ENGINE BEEP TRIM INCORRECT, ROTOR RPM NOT 94-96 PERCENT WITH ECL AT FLIGHT 4-1.8 FAULT ISOLATION PROCEDURE INITIAL SETUP References: Applicable Configurations: TM 55-1520-240-10 Without 74 TM 55-1520-240-23 Tools: Equipment Condition: Powerplant Repairer's Tool Kit, TM 55-1520-240-23: NSN 5180-00-323-4944 Battery Connected Materials Electrical Power On None Hydraulic Power On Right and Left Electrical Compartment Open Personnel Required: Aircraft Powerplant Repairer Rotary-Wing Aviator (2) GO TO NEXT PAGE 4-22 Change 17

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