CHAPTER 4 (Continued) - TM-55-1520-240-T-1

1-1 FAILURE SYMPTOM LIST (Continued) S Y M P T OM TASK CHAPTER 4 (Continued) ENGINE START AND IGNITION (Continued) NO. 2 ENGINE DOES NOT MOTOR (GAS PRODUCER TACHOMETER DOES NOT INDICATE 10 TO 15% N1) NO. 2 ENGINE DOES NOT START (ENGINE FUEL SYSTEM FAILURE) NO. 2 ENGINE DOES NOT START (ENGINE IGNITION SYSTEM FAILURE) NO. 2 ENGINE MOTORS NORMALLY BUT DOES NOT START GAS PRODUCER CONTROL SYSTEM (N1) ENGINE NO. 1 OR NO. 2 COND CONT CIRCUIT BREAKER WILL NOT STAY CLOSED NO. 1 ENGINE FUEL CONTROL POINTER NOT AT GROUND BAND NO. 1 ENGINE CONT CAPSULE DOES NOT COME ON NO. 1 ENGINE OR NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MAKE CONTACT WITH STOP OR BROWN BAND IS NOT PARTIALLY COVERED 4-4.4 4-4.4 4-4.4 4-4.4 4-5.3 4-5.3 4-5.3 4-5.3 NO. 1 OR NO. 2 ENG N1 CONT CAPSULE IS LIT 4-5.3 NO. 2 ENGINE FUEL CONTROL POINTER NOT AT GROUND BAND NO. 2 ENGINE N1 CONT CAPSULE DOES NOT COME ON POWER TURBINE CONTROL SYSTEM — (N2) NO. 1 EM ERG ENG TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED NO. 1 ENGINE TRIM & TIMER CIRCUIT BREAKER WILL NOT STAY CLOSED NO. 1 ENGINE TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED GO TO NEXT PAGE Change 1 1-2.2 4-5.3 4-5.3 4-6.3 4-6.3 4-6.3 S Y M P T OM TASK NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE OR MOVES BUT STOPS OUTSIDE OF 13° TO 21° ON PROTRACTOR (DECREASE SELECTED) NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT’S NO. 1 ENGINE BEEP TRIM SWITCH SET TO RPM DECREASE NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT’S NO. 1 ENGINE BEEP TRIM SWITCH SET TO RPM INCREASE NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 1 SWITCH SET TO DEC NO. 1 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 1 SWITCH SET TO INC NO. 1 ENGINE FUEL CONTROL POINTER NOT BETWEEN 13° AND 21° ON PROTRACTOR AT BEGINNING OF OPERATIONAL CHECK NO. 1 ENGINE POWER TURBINE LEVER DOES NOT MOVE OR MOVES BUT DOES NOT CONTACT STOP NO. 2 EMERG ENG TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED NO. 2 ENGINE TRIM CIRCUIT BREAKER WILL NOT STAY CLOSED NO. 2 ENGINE TRIM & TIMER CIRCUIT BREAKER WILL NOT STAY CLOSED NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE OR MOVES BUT STOPS OUTSIDE OF 13° TO 21° ON PROTRACTOR (DECREASE SELECTED) NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT’S NO. 1 AND 2 ENGINE BEEP TRIM SWITCH SET TO RPM DECREASE 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 4-6.3 TM 55-1520-240-T 1-1 S Y M P T O M TASK NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN COPILOT’S NO. 1 AND 2 ENGINE BEEP TRIM SWITCH SET TO RPM INCREASE 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 2 SWITCH SET TO DEC 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER DOES NOT MOVE WHEN EMERGENCY ENGINE TRIM 2 SWITCH SET TO INC 4-6.3 NO. 2 ENGINE FUEL CONTROL POINTER NOT BETWEEN 13° AND 210 ON PROTRACTOR AT BEGINNING OF OPERATIONAL CHECK 4-6.3 NO. 2 ENGINE POWER TURBINE LEVER DOES NOT MOVE OR MOVES BUT DOES NOT CONTACT STOP (INCREASE SELECTED) 4-6.3 ENGINE ACCESSORY GEARBOX CHIP DETECTORS ENG CHIP DET CAPSULE DOES NOT COME ON AND ENGINE CHIP DETECTOR INDICATOR DOES NOT CHANGE DISPLAY WHEN DETECTOR SHORTED 4-7.3 NO. 1 AND NO. 2 ENGINE CHIP DETECTOR INDICATOR DISPLAY IS ALL BLACK WHEN GND SWITCH SET TO TEST 4-7.3 NO. 1 ENG CHIP DET CAPSULE DOES NOT COME ON WHEN GND SWITCH SET TO TEST 4-7.3 NO. 1 OR NO. 2 ENGINE CHIP DETECTOR INDICATOR DISPLAYS BLACK-AND WHITE FAN, ENG CHIP DET CAPSULE OUT 4-7.3 NO. 1 OR NO. 2 ENG CHIP DET CAPSULE IS LIT 4-7.3 NO. 2 ENG CHIP DET CAPSULE DOES NOT COME ON WHEN GND SWITCH SET TO TEST 4-7.3 CHAPTER 5 ROTOR BLADE TRACKING AND BALANCING SYSTEM NO FWD LATERAL OR AFT LATERAL INDICATION ON IPS INDICATOR 5-2.3