Komatsu — MONITORING SYSTEM

. OPERATION DETAILED CONTROLS AND GAUGES Gauges and Meter 3 - 13 Engine Coolant Temperature Gauge This gauge (2) indicates the engine cooling water temperatu If the tempe rature is normal during operation, the gree n rang e will light up. If the red ra nge lights up during oper ation, the overhea t prevention system will be actuated. The overhe at prevention system ac When red ra nge (A) lights up: Engine wat er temperature monitor ( When red ra nge (B) lights up: Engine spe ed is lowered further temperature monitor (C) flashes, an same time. The overhe at prevention system wo rks until the temperature enters the green range.

When red ra nge (A) lights, if the en gine water temperature i s reduced a nd the fuel control dial is turned to the low idling positio n, the display will be ca nceled. Fuel Gauge (3) displays the amount of fuel remaining in the fuel ations, the green range should be lighted up. This meter tank. During oper ations, the green range should be lighted If only the re d range lights up during operations, the remainin g fuel level is less than 55 liters (14.5 US g al), so carry out inspectio n and add fuel. When red ra nge (A) lights up: Fuel g auge monitor lamp (B) fla shes.

After the sta rting switch is turned O N, the correct level may n ot be displayed fo r a moment, but this doe s not indicate any a bnormality. When the e ngine is stopped, turn th e starting switch ON and c heck that each ite m and the meters light up. Display This monito r (4) always displays the time and service meter when the starting switch is on. If there is a ny abnormality, it display s the contents of the failure. bol flashes. When settin g the time, the (A) sym