CHECK INSTRUMENT PANEL (M548A3) Continued
LOW PRESS ENGINE OIL warning light comes ON when engine oil pressure is below safe operating range. If warning
light comes ON, troubleshoot engine (WP 0057 00).
Engine coolant temperature gauge may show a normal operating temperature between 160F and 230F (71
C and 110
Any temperature in this range is OK. If temperature goes higher than 230F (110
C), troubleshoot engine (WP 0055 00).
Normally the temperature will not go below 185F (85
C) once the engine warms up unless operating in arctic
temperatures (below -25F (-32
C)). If engine coolant temperature drops below 160F (71
C), run engine at 12001500
rpm until it warms up. If temperature gauge does not work, notify unit maintenance.