Komatsu — Komatsu Excavator Manual (EN)

. OPERATION DETAILED CONTROLS AND GAUGES Gauges and Meter 3 - 19 Engine Coolant Temperature Gauge ine coolant temperature. ndicator should be in the black range rs the red range (A) - (B) during vention system is actuated. Gauge (8) indicates the eng During normal operations, i (A) - (C). If indicator ente operations, the overheat pre (A) - (B): Red range (A) - (C): Black range The overheat prevention sy stem acts as follows. ine water temperature monitor (D) ts up red. ine speed is reduced to low idling, ine water temperature monitor (D) Red range position (A) : Eng ligh Red range position (B) :

Eng idling, eng ligh sou The overheat prevention (D) ts up red, and the alarm buzzer nds at same time. system remains actuated until the range. if the indicator is at position (C), onitor (D) lights up white. arming-up operation. For details, see -91)". buzzer indicator returns to the black When the engine is started, if the indicator is at position (C) engine water temperature m In this case, carry out the w "Engine Warm Up (PAGE 3 Fuel Gauge evel of the fuel in the fuel tank. ator should be in the black range. This meter (9) displays the l evel of the fuel in the fuel tank. During operations, the indic ator should be in the black range.

If the indicator enters red ran ge (A) during operations, there is l ess than 80 liters (21.14 US gal) of fuel remaining in the tank, so check and add fuel. (A) - (B): Red range (A) - (C): Black range REMARK When the indicator reaches red range (B), there is less than 60 emaining. red range (B), fuel level monitor (D) liters (15.85 US gal) of fuel r When the indicator is in the lights up red. The correct fuel level may n ot be displayed for a short time when the starting switch is turned ON, but this is not an abnormality .