12. OPERATION CHECK AIR CLEANER FOR CLOGGING 1. Confirm that the air cleaner clogging monitor does not flash 2. I ‘Gp E Yi fy Ifit flashes, immediately clean or replace the element. f : (S588.3 i; : cae | [Ngo ! | | i —_ For details of the method of cleaning the element, see 24.2.1 “CHECK, LANES CLEAN AND REPLACE AIR CLEANER ELEMENT”. Veh CHECK ELECTRIC WIRING A WARNING If the fuse blows frequently, or there are traces of short- circuiting in the electric wiring, always locate and repair the cause. Check for damage of the fuse and any sign of disconnection or short circuit in the electric wiring. Check also for loose terminals and tighten any loose parts.
Check the following points carefully. e Battery e Starting motor e Alternator Please contact your Komatsu distributor for investigation and correction of the cause. CHECK FOR WATER IN FUEL SEDIMENTOR The fuel sedimentor is mounted in the pump compartment. The water separator separates water mixed in the fuel. Before the water level reaches line @, drain the water from drain plug ®. For the draining procedure, see section “WHEN REQUIRED”. fvenifawater separator is installed, be sure to check the fuel tank to remove water and sediment in the fuel. 1. With the engine off open the engine cover and locate the water drain at the bottom of the primary fuel filter. 2.
To open drain valve, turn the valve counterclockwise approximately 1,5 to 2 turns until draining occurs. Drain the filter sump of water until clear fuel is visible. 3. \ » ( CHECK FOR WATER IN PRIMARY FUEL FILTER, DRAIN WATER A primary fuel filter is fitted on the engine - e Turn the valve clockwise to close. PC160/180/200-6k-ENG NOTICE: Do not over tighten the valve. Over tightening can damage the threads. 2-43