Table 21. Master Failure Symptom Index (cont)

Table 21. Master Failure Symptom Index (cont) - TM-1-1520-238-T-2_201

Table 21. Master Failure Symptom Index (cont) - TM-1-1520-238-T-2_203

TM-1-1520-238-T-2 Army Model AH-64 Helicopter (NSN
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TM 1–1520–238–T–2 2–146 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom MOC Reference PILOT TGT, TORQUE, FUEL QUANTITY AND N_G RPM% INDICATOR DIGITAL READOUTS ARE NOT BLANKED OUT (PILOT DIM/TEST PANEL: DGT OFF/ NORM/TST SWITCH SET TO NORM AND DIM CONTROL ROTATED TO MIDPOSITION) TM 1–1520–238–T–5 ENGINE INSTRUMENTS PILOT TORQUE INDICATOR DOES NOT INDICATE ENGINE 1 TORQUE (ENGINES 1 AND 2 OPERATING) TM 1–1520–238–T–5 ENGINE INSTRUMENTS PILOT TORQUE INDICATOR DOES NOT INDICATE ENGINE 2 TORQUE (ENGINES 1 AND 2 OPERATING) TM 1–1520–238–T–5 ENGINE INSTRUMENTS PILOT TORQUE INDICATOR DIGITAL READOUTS ARE NOT BLANKED (PILOT DIM/TEST PANEL: DGT OFF/NORM/TST SWITCH SET TO OFF) TM 1–1520–238–T–5 ENGINE INSTRUMENTS PILOT TORQUE INDICATOR DOES NOT INDICATE FULL SCALE OR SHOW ALL DIGITAL 888 (PILOT DIM/TEST PANEL: DGT OFF/NORM/TST SWITCH HELD AT TST) TM 1–1520–238–T–5 ENGINE INSTRUMENTS PILOT TORQUE INDICATOR DOES NOT SHOW DIGITAL READOUTS (PILOT DIM/TEST PANEL: DGT OFF/NORM/TST SWITCH HELD AT TST) TM 1–1520–238–T–5 ENGINE INSTRUMENTS PILOT TORQUE INDICATOR EDGE– LIGHTING DOES NOT LIGHT (PILOT EXT LT/INTR LT PANEL: INST CONTROL ROTATED TO BRT) TM 1–1520–238–T–5 ENGINE INSTRUMENTS PILOT TORQUE INDICATOR VERTICAL DISPLAY SCALE INDICATORS HAVE EVERY OTHER LAMP NOT LIGHTED (PILOT DIM/TEST PANEL: DGT OFF/ NORM/TST SWITCH HELD AT TST) TM 1–1520–238–T–5 ENGINE INSTRUMENTS

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