TM 9-2320-361-10 2-14. STARTING THE ENGINE (ABOVE +20°F) (-6.7°C) (Contd) WARNING Hearing protection is required for driver, co-driver, and mechanic when engine is running. Noise levels produced by this vehicle exceed 85 dB, which may cause injury to personnel. CAUTION Do not press start button for more than 10 seconds at any time or with headlights on. If engine does not start in 10 seconds, wait 10 to 15 seconds before pressing start button again. Failure to do this may result in damage to starter. m. Press start button (1) until engine starts. n. Release clutch pedal (4). CAUTION If any instrument reading is not normal, stop engine imme- diately by pulling out engine stop control knob and notify your supervisor. Failure to do this may result in damage to engine. o. Check for the following instrument readings: (1) Make sure oil pressure gage (2) reads at least 10 psi. (2) Make sure battery/generator indicator (3) reads in the green area. 2-82.2 Change 3