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

Lubrication & Maint./2000 Hour/24 MonthFlushing and Refilling Cooling SystemCAUTION: Explosive release of fluids frompressurized cooling system can cause seriousburns.Shut off engine. Only remove filler cap whencool enough to touch with bare hands. Slowlyloosen cap to first stop to relieve pressurebefore removing completely.NOTE: When John Deere COOL-GARD is used, the draininterval is 3000 hours or 36 months. The draininterval may be extended to 5000 hours or 60months of operation, provided that the coolantis tested annually AND additives arereplenished, as needed, by adding asupplemental coolant additive (SCA).High-Pressure FluidsTS281 –UN–23AUG88If COOL-GARD is not used, the flushing interval is2000 hours or 24 months of operation.Drain old coolant, flush the entire cooling system, testthermostats, and fill with recommended clean coolant perthe following procedure.1. Pressure test entire cooling system and pressure cap ifnot previously done. (See PRESSURE TESTINGCOOLING SYSTEM, in the Lubrication andMaintenance/500 Hour/12 Month Section.)2. Slowly open the engine cooling system filler cap orradiator cap (A) to relieve pressure and allow coolantto drain faster.Radiator CapRG12833 –UN–13FEB03Continued on next pageOURGP11,000000C–19–24JUN04–1/340-4 110306PN=97