2-10. OPERATING THE VEHICLE. - Continued
The alarm lamps (7) will sound and illuminate when the engine is started and the air system
pressure is below 65 psi (450 kPa). The audiovisual signals will cease once the air system
pressure exceeds 65 psi (450 kPa) as indicated on gages (8).
When the engine is started, observe the oil pressure gage (9). After the first few seconds of operation the
oil pressure alarm lamp (10) should cease indicating and the oil pressure remain above 10 psi (70 kPa). If the oil
pressure remains below 10 psi (70 kPa), stop the engine and refer to Organizational Maintenance.
Observe the voltmeter (11) and ammeter (12) to ensure that the batteries are being charged.