TM 55-1520-240-T FAILURE SYMPTOM LIST ENGINE OIL PRESSURE INDICATING SYSTEM SYMPTOM TASK ENGINE OIL PRESS CIRCUIT BREAKER DOES NOT STAY CLOSED 8-3.3 ENGINE OIL PRESSURE INDICATOR DOES NOT INDICATE 0 8-3.3 SYMPTOM TASK ENGINE OIL TEMP CIRCUIT BREAKER DOES NOT STAY CLOSED 8-4.3 SYMPTOM TASK NO. 1 ENGINE EMERGENCY POWER TIMER DOES NOT OP- ERATE WHEN NO. 1 ENGINE PTIT INDICATION IS 890C TO 910C (WITHOUT  74) 8-5.3 NO. 1 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITHOUT  74) 8-5.3 NO. 1 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITH  74) 8-5.5.1 NO. 1 OR NO. 2 ENGINE EMERGENCY POWER FLAG INDI- CATOR REMAINS BLACK WHEN NO. 1 OR NO. 2 ENGINE PTIT INDICATION IS 890C TO 910C (WITHOUT  74) 8-5.3 SYMPTOM TASK NO. 1 OR NO. 2 ENGINE TORQUE DC CIRCUIT BREAKERS WILL NOT STAY CLOSED (WITHOUT  74) 8-6.3 NO. 1 OR NO. 2 ENGINE TORQUE DC CIRCUIT BREAKERS WILL NOT STAY CLOSED (WITH 74) 8-6.3.1 NO. 1 OR NO. 2 ENGINE TORQUE AC CIRCUIT BREAKER 8-6.3 or WILL NOT STAY CLOSED 8-6.3. 1 NO. 1 POINTER ON PILOT'S OR COPILOT'S INDICATOR DOES NOT INDICATE TORQUE (WITHOUT 74) 8-6.3 SYMPTOM TASK NO. 1 ENGINE OIL PRESS INDICATOR DOES NOT INDICATE 20 PSI MINIMUM OR POINTER FLUCTUATES MORE THAN 5 PSI 8-3.3 ENGINE OIL TEMPERATURE INDICATING SYSTEM SYMPTOM TASK NO. 1 ENGINE OIL TEMPERATURE INDICATOR INDICATION IS NOT WITHIN 10C OF FAT INDICATOR 8-4.3 PTIT AND EMERGENCY POWER INDICATING SYSTEM SYMPTOM TASK NO. 1 OR NO. 2 ENGINE EMERGENCY POWER FLAG INDI- CATOR WILL NOT RESET TO BLACK, FLAG RESET SWITCH AT RESET (WITHOUT  74) 8-5.3 NO. 1 OR NO. 2 ENGINE EMERGENCY POWER LIGHTS WILL NOT COME ON WHEN PRESSED TO TEST (WITHOUT  74) 8-5.3 NO. 2 ENGINE EMERGENCY POWER TIMER DOES NOT OP- ERATE WHEN NO. 2 ENGINE PTIT INDICATION IS 890C TO 910C (WITHOUT  74) 8-5.3 NO. 2 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITHOUT  74) 8-5.3 TORQUE INDICATING SYSTEM SYMPTOM TASK NO. 1 POINTER ON PILOT'S OR COPILOT'S INDICATOR DOES NOT INDICATE TORQUE (WITH 74 ) 8-6.3.1 NO. 1 POINTER ON PILOTS OR COPILOTS INDICATOR DOES NOT INDICATE PROPER TORQUE USING TORQUE SIGNAL SIMULATOR (WITHOUT 74) 8-6.3 NO. 1 POINTER ON PILOTS AND COPILOTS INDICATOR OP- 8-6.3 or ERATES ERRATICALLY 8-6.3.1 NO. 2 POINTER ON PILOT'S OR COPILOT'S INDICATOR DOES NOT INDICATE TORQUE (WITHOUT 74) 8-6.3 SYMPTOM TASK NO. 2 ENGINE OIL PRESS INDICATOR DOES NOT INDICATE 20 PSI MINIMUM OR POINTER FLUCTUATES MORE THAN 5 PSI 8-3.3 SYMPTOM TASK NO. 2 ENGINE OIL TEMPERATURE INDICATOR INDICATION IS NOT WITHIN 10C OF FAT INDICATOR 8-4.3 SYMPTOM TASK NO. 2 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITH  74) 8-5.6.1 PILOT'S AND COPILOT'S EMERGENCY POWER LIGHTS DO NOT COME ON WHEN NO. 1 OR NO. 2 ENGINE PTIT INDICA- TION IS 890C TO 910C (WITHOUT 74) 8-5.3 PILOT'S AND COPILOT'S EMERGENCY POWER LIGHTS ON, ROTOR AT 100 PERCENT ROTOR RPM, BOTH ENGINES OP- ERATING (WITHOUT 74 ) 8-5.3 SYMPTOM TASK NO. 2 POINTER ON PILOT'S OR COPILOT'S INDICATOR DOES NOT INDICATE TORQUE (WITH 74) 8-6.3.1 NO. 2 POINTER ON PILOTS OR COPILOTS INDICATOR DOES NOT INDICATE PROPER TORQUE USING TORQUE SIGNAL SIMULATOR (WITHOUT 74) 8-6.3 NO. 2 POINTER ON PILOTS OR COPILOTS INDICATOR OP- 8-6.3 or ERATES ERRATICALLY 8-6.3.1 8-2.2  Change 19