TM 9-2350-247-10START ENGINE (M548A1) — Continued 0013 00CAUTIONIf the engine doesn’t start after 30 seconds of cranking, release the START switch and let thestarter cool for 30 seconds before you try again. If you can’t restart the warm engine in fivetries, notify unit maintenance.20. Push in the fuel cut-off and press the START switch to restart the engine.CAUTIONNormal idle is 650–700 rpm, and normal coolant temperature is 160F–230F (71C–110C). Ifyou let the engine run at idle for too long, the engine could cool below 140F (60C). Runningbelow 140F (60C) for very long can damage the engine. Run the engine at 1,200–1,500 rpm tokeep coolant temperature in the normal range.NOTEIf the instruction plate on the door of your carrier says to warm up the transmission in 1–3range, you have the wrong plate. Notify unit maintenance.21. Put the transmission range selector in 2-3 range and set the hand throttle to run the engine at 800–1,000 rpm for about 10minutes. This is to warm up the transmission.0013 00-13
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