3.4 Supplying Cooling WaterBurns from Scalding• Never remove the filler cap of the freshwater cooler while the engine is still hot.Steam and hot water will spurt out andseriously bum you. Wait until the watertemperature has dropped, then wrap acloth around the cap and loosen it slowly.• After inspection, refasten the cap firmly. If the cap isnot secure, steam or scalding water may be emittedduring operation, causing burns.Fill the fresh water tank and the sub-tank with freshcooling water.1 Before filling, check to be sure the drain cocks(indicated in the photo’s) are closed.2 Remove the filler cap of the fresh water tank byturning the cap counterclockwise 1/3 of a turn.3 Pour cooling water slowly into the fresh water tankso that air bubbles do not develop. Supply until thewater overflows from the filler port.4 After supplying cooling water, replace filler cap andtighten it firmly. To replace the cap, align the detentson the bottom of the cap with the notches on thefiller port and turn clockwise 1/3 of a turn.5 Remove the sub-tank cap and fill with water to theupper limit, FULL. Replace cap.6 Check the rubber hose connecting the sub-tank to the fresh water cooler. Be sure thehose is securely connected and there is nolooseness or damage. When the hose is notwatertight, anexcessive amountof cooling water will be used.Before operation3>������� �������������������������� �������Upper limitLower limitTo fresh water tank Filler capDrain cockDrain cock18 | MARINE DIESEL ENGINE 6CXM-GTE2Drain cockFiller cap