OMRG25204 oem uncert & tier 1.pdf - John Deere Industrial Engines

Lubrication & Maint./2000 Hour/24 Month11. After cleaning the cooling system, drain cleaner andfill with water to flush the system. Run the engineabout 10 minutes, remove radiator cap and pull offlower radiator hose to drain out flushing water.12. Close all drain valves on engine and radiator.Reinstall radiator hose and tighten clamps securely.Install thermostats using a new gasket. (SeeTESTING THERMOSTATS OPENINGTEMPERATURE later in this section.)IMPORTANT: Air must be expelled from coolingsystem when system is refilled. Loosentemperature sending unit fitting at rearof cylinder head or plug in thermostathousing to allow air to escape whenfilling system. Retighten fitting or plugafter filling cooling system.NOTE: Coolant capacity may vary depending onapplication.13. Add coolant to radiator until coolant touches bottom offiller neck. (See specification for capacity.) Installradiator cap.Specification4.5 L Engine— Coolant Capacity.............................................8.5 L (9 qt)6.8 L Engine—Coolant Capacity..........................................11.3 L (12 qt)14. Run engine until it reaches operating temperature.This mixes the solution uniformly and circulates itthrough the entire system. The normal engine coolanttemperature range is 82°—94°C (180° — 202°F).15. After running engine, check coolant level and entirecooling system for leaks.16. Inspect the fan belt for wear and check belt tension.(See Checking Belt Tensioner Spring Tension andBelt Wear in Lubrication and Maintenance 500Hour/12 Month section.OURGP11,000000C–19–24JUN04–3/340-6 110306PN=99