Komatsu — Slide Number 1

. OPERATION DETAILED CONTROLS AND GAUGES Emergency Monitors CAUTION there is a problem, the monitor for the abnormal (1) (2) Engine coolant temperature monitor Hydraulic oil temperature monitor (3) Engine oil pressure monitor Engine Coolant Temperature Monitor Monitor (1) warns operator that the engine coolant temperature has risen. If the engine coolant temperature becomes abnormally high, the monitor shows abnormal display (C). The overheat prevention system is automatically actuated and the engine speed drops. Stop operations and run the engine at low idling until monitor (1) shows normal display (B). Display (A) at low temperatures:

Monitor background (D) is white Display (B) at correct temperatures: Monitor background (D) is blue Display (C) when condition is abnormal: Monitor background (D) is red 3 - 11 If the m onitor lig hts up red, sto p the engine immediately or run at lo w idle, check applicable location, then perform ne cessary actions These items sh ould be obse rved while the engine is running. locatio n lights u p red and bu zzer sound s, perform action