TM 9-2350-247-10STOP ENGINE (M548A3) — Continued 0024 00CAUTIONTurbo may be damaged by heat if engine is immediately stopped after long periods of operation.Allow engine to run at idle speed (600–650 rpm) for 3–5 minutes before stopping.In hot weather, do not stop engine until engine coolant temperature is at 185F (85C) or lower.5. Change rpm from 600–650 to 1,000–1,200 rpm for 3 to 5 minutes. Return engine to idle speed (600–650 rpm).CAUTIONRegulator may be damaged if you turn MASTER SWITCH OFF with engine running. Makesure engine has stopped before turning MASTER SWITCH OFF.6. Pull fuel cutoff control all the way out to stop engine.NOTEIf temperature is below -25F (-32C), start engine coolant heater. See task; OPERATEENGINE COOLANT HEATER KIT (M548A3) (WP 0041 00).7. Turn the MASTER SWITCH OFF.END OF TASK0024 00-2
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