Komatsu — MONITORING SYSTEM

. OPERATION DETAILED CONTROLS AND GAUGES Gauges and Meter in the green (A) during monitor (E) shows (E) shows the 3 - 21 Engine Coolant Temperature Gaug This m During eter (10) normal shows th operation e engine s, the in coolant tempera dicator should b range. If the operations, the (A) (A) - (B): - (C): The o verheat p revention system i s actuated as foll Red range (A) position: E ngine co olant temperatur e monitor (E) shows abnormality display Red range (B) position:

E ngine s peed changes to low idling, engine coolant temperatu me time bnormal ity display, alarm buzzer sounds at sa The o verheat p revention system continues to work until the indicator e nters the green rang When the e ngi ne i s started, if low-temperatur e display. If this happens, carry out the warm-up operation. For details, see "Engine Warm Up (PAG Display (G) at low temperatures: Monitor backgrou nd (K) is white Display (H) at correct temperatur ground (K) is ackground (K)