TM 55-1520-240-T 1-1  FAILURE SYMPTOM LIST (Continued) 1-1 SYMPTOM TASK CHAPTER 8 (Continued) PILOT'S AND COPILOT'S EMERGENCY POWER LIGHTS ON, ROTOR AT 100 PERCENT ROTOR RPM, BOTH ENGINES OPERATING (WITHOUT 74 ) 8-5.3 NO. 1 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITH 74 ) 8-5.5.1 NO. 2 ENGINE PTIT INDICATOR DOES NOT INDICATE IN GREEN BAND (WITH 74 ) 8-5.6.1 TORQUE INDICATING SYSTEM 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 NO. 1 POINTER ON PILOT'S OR COPILOT’S INDICATOR DOES NOT INDICATE TORQUE (WITH 74 ) 8-6.3.1 NO. 1 POINTER ON PILOT'S OR COPILOT'S TORQUE INDI- CATOR DOES NOT INDICATE PROPER TORQUE USING TORQUE SIGNAL SIMULATOR (WITHOUT 74 ) 8-6.3 NO. 1 POINTER ON PILOT'S OR COPILOT'S TORQUE INDI- 8-6.3 or CATOR OPERATES ERRATICALLY 8-6.3.1 NO. 2 POINTER ON PILOT'S OR COPILOT'S INDICATOR DOES NOT INDICATE TORQUE (WITHOUT 74 ) 8-6.3 NO. 2 POINTER ON PILOT'S OR COPILOT'S INDICATOR DOES NOT INDICATE TORQUE (WITH 74 ) 8-6.3.1 NO. 2 POINTER ON PILOT'S OR COPILOT'S TORQUE INDI- CATOR DOES NOT INDICATE PROPER TORQUE USING TORQUE SIGNAL SIMULATOR (WITHOUT 74 ) 8-6.3 NO. 2 POINTER ON PILOT'S OR COPILOT'S TORQUE INDI- 8-6.3 or CATOR OPERATES ERRATICALLY 8-6.3.1 HYDRAULIC PRESSURE INDICATING SYSTEM HYDRAULICS PRESS IND CIRCUIT BREAKER DOES NOT STAY CLOSED 8-7.3 NO. 1 FLT CONT HYDRAULICS PRESSURE INDICATOR DOES NOT INDICATE 2500 TO 3500 PSI OR POINTER FLUC- TUATES MORE THAN 50 PSI 8-7.3 NO. 2 FLT CONT HYDRAULICS PRESSURE INDICATOR DOES NOT INDICATE 2500 TO 3500 PSI OR POINTER FLUC- TUATES MORE THAN 50 PSI 8-7.3 SYMPTOM TASK UTILITY HYDRAULICS PRESSURE INDICATOR DOES NOT INDICATE 2500 TO 3500 PSI OR POINTER FLUCTUATES MORE THAN 50 PSI 8-7.3 HYDRAULIC OIL TEMPERATURE INDICATING SYSTEM HYDRAULIC FLUID TEMP CIRCUIT BREAKER DOES NOT STAY CLOSED 8-8.3 NO. 1 FLT CONT HYDRAULICS TEMPERATURE INDICATOR POINTER DOES NOT MOVE UP SCALE OR EXCEEDS 120°C (PEGS) 8-8.3 NO. 2 FLT CONT HYDRAULICS TEMPERATURE INDICATOR POINTER DOES NOT MOVE UP SCALE OR EXCEEDS 120°C (PEGS) 8-8.3 UTILITY HYDRAULICS TEMPERATURE INDICATOR POINTER DOES NOT MOVE UP SCALE OR EXCEEDS 120°C (PEGS) 8-8.3 TRANSMISSION OIL PRESSURE INDICATING AND WARNING SYSTEM FWD, COMB, AFT, AFT SHAFT, LEFT, OR RIGHT TRANSMIS- SION MAIN OIL PRESS LIGHT DOES NOT COME ON WHEN PRESSED 8-9.3 FWD, COMB, AFT SHAFT, LEFT, RIGHT, OR AFT TRANSMIS- SION MAIN OIL PRESS LIGHT IS OUT 8-9.3 FWD, COMB, AFT, AFT SHAFT, LEFT, OR RIGHT TRANSMIS- SION MAIN OIL PRESS LIGHT STILL ON WHEN ITS PRES- SURE SWITCH DISCONNECTED 8-9.3 FWD, COMB, OR AFT TRANSMISSION AUX OIL PRESS LIGHT DOES NOT COME ON WHEN PRESSED 8-9.3 FWD, COMB, OR AFT TRANSMISSION AUX OIL PRESS LIGHT IS OUT 8-9.3 FWD, COMB, OR AFT TRANSMISSION AUX OIL PRESS LIGHT IS STILL ON WHEN ITS PRESSURE SWITCH IS DISCON- NECTED 8-9.3 XMSN AUX OIL PRESS CAPSULE DOES NOT COME ON DURING TEST 8-9.3 XMSN AUX OIL PRESS CAPSULE NOT LIT 8-9.3 XMSN AUX OIL PRESS CAPSULE ON WHEN ALL PRESSURE SWITCHES ARE DISCONNECTED 8-9.3 XMSN OIL PRESS CAPSULE DOES NOT COME ON DURING TEST 8-9.3 XMSN OIL PRESS CAPSULE NOT LIT 8-9.3 XMSN OIL PRESS CAPSULE STILL ON WHEN ALL MAIN OIL PRESS SWITCHES ARE DISCONNECTED 8-9.3 XMSN OIL PRESS CIRCUIT BREAKER DOES NOT STAY CLOSED 8-9.3 SYMPTOM TASK XMSN OIL PRESS INDICATOR DOES NOT READ IN NORMAL RANGE FOR ONE XMSN OIL PRESS SWITCH POSITION 8-9.3 XMSN OIL PRESS INDICATOR DOES NOT READ IN NORMAL RANGE WHEN XMSN OIL PRESS SWITCH IS AT SCAN 8-9.3 TRANSMISSION OIL TEMPERATURE INDICATING AND WARNING SYSTEM ENG XMSN HOT CAPSULE LIT 8-10.3 NO. 1 OR NO. 2 ENG XMSN HOT CAPSULE DOES NOT COME ON DURING TEST 8-10.3 TRANSMISSION OVERTEMP INDICATORS DO NOT RESET 8-10.3 XMSN OIL HOT CAPSULE LIT 8-10.3 XMSN OIL HOT CAPSULE LIT OR AFT TRANSMISSION OVERTEMP INDICATOR IS BLACK DURING TEST 8-10.3 XMSN OIL HOT CAPSULE LIT OR COMB TRANSMISSION OVERTEMP INDICATOR IS BLACK DURING TEST 8-10.3 XMSN OIL HOT CAPSULE LIT OR FWD TRANSMISSION OVERTEMP INDICATOR IS BLACK DURING TEST 8-10.3 XMSN OIL HOT CAPSULE LIT OR LEFT TRANSMISSION OVERTEMP INDICATOR IS BLACK DURING TEST 8-10.3 XMSN OIL HOT CAPSULE LIT OR RIGHT TRANSMISSION OVERTEMP INDICATOR IS BLACK DURING TEST 8-10.3 XMSN OIL TEMP CIRCUIT BREAKER WILL NOT STAY CLOSED 8-10.3 XMSN TEMP INDICATOR POINTER DOES NOT INDICATE AM- BIENT TEMPERATURE AT SCAN 8-10.3 XMSN TEMP INDICATOR POINTER DOES NOT MOVE BELOW -700C DURING TEST 8-10.3 XMSN TEMP INDICATOR DOES NOT READ AMBIENT TEM- PERATURE AT SELECTED SWITCH POSITION 8-10.3 FUEL QUANTITY INDICATING SYSTEM FUEL QUANTITY AC CIRCUIT BREAKER WILL NOT STAY CLOSED 8-11.3 FUEL QUANTITY DC CIRCUIT BREAKER WILL NOT STAY CLOSED 8-11.3 FUEL QUANTITY INDICATOR DIGITAL READOUT DOES NOT SHOW TOTAL FUEL QUANTITY WHEN FUEL QUANTITY SE- LECT SWITCH IS SET TO TOTAL 8-11.3 FUEL QUANTITY INDICATOR POINTER SPINS CONTINU- OUSLY WHEN FUEL QUANTITY SELECT SWITCH IS SET TO ANY POSITION 8-11.3 GO TO NEXT PAGE 1-8  Change 17