TM 1-1520-240-MTF2-58ENGINE RUN UP (CONT.) e. Check all XMSN OIL TEMP readings.f. XMSN OIL TEMP — SCAN. Reading$5_of high temperature xmsn.g. XMSN OIL TEMP — TEST. Check to –70_Cor below.B*8. Flight instruments — Check as follows:a. Horizontal Situation Indicator (HSI) —Check synchronized. Cross-check withmagnetic compass.b. Attitude indicators — Adjust as required.B9. 712 EMERG ENG TRIM System — Checkoperation (as required).a. Note N1 reading.b. NO.1 EMERG ENG TRIM AUTO/MANswitch — MAN.CAUTIONWhen EMER ENG TRIM switch is held in theDEC position it is possible that N1 speed maygo below the minimum allowable of 60 % andthe engine fail. Monitor N1 speed closely ifengine N1 speed goes below 60% and failsimmediately place associated ECL to STOPand be prepared to motor the engine if highPTIT is noted.c. NO. 1 EMERG ENG TRIM INC/DECRswitch — Full DECR. Engine speed shoulddecrease and stabilize at 60% N1 or above.Ensure engine remains running.d. NO. 1 EMERG ENG TRIM INC/DECRswitch — INC to previously noted N1 speed.e. No. 1 ENG TRIM AUTO/MAN switch —AUTO.
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