TM 9-2320-386-10 2-57 .WARNING. If tachometer shows engine idling at high rpm and fuel shutoff switch does not stop engine, do not attempt to stall engine. Leave vehicle and notify unit maintenance. Attempting to stall engine at high RPM may result in injury or death to personnel. l. Release service brake pedal (1) and position wheel chocks. m. Perform after operation PMCS. Refer to table 2-2. 2-16. STOPPING THE VEHICLE AND ENGINE (Contd) 2-17. BACKING THE VEHICLE Refer to para. 2-15 and perform steps as necessary to backup the vehicle. i. Allow engine to cool at idle speed for five minutes after operation. If temperature gauge (6) reads above 230°F (110°C) after five minutes, perform the following steps and notify unit maintenance. j. Place accessory/battery switch (5) and all other switches in OFF position. k. Unfasten seatbelt (para. 2-21). 2-18. OPERATION OF FRONT WINCH a. Preparation for Use. (1) Check front winch hydraulic reservoir fluid level (para. 3-7). .WARNING. Do not operate front winch under load with less than four turns of cable on drum. Doing this may cause injury to personnel or dam- age to equipment. 5 6 7 8