PUMP GP-PISTON 4562320 - Caterpillar

Check the specific gravity of the coolant solution frequently in cold weather to ensure adequate protection.Clean the cooling system if it is contaminated, if the engine overheats or if foaming is observed in the radiator.Coolant should be drained, the system cleaned and new coolant added every 3000 service hours or two years. When not using Caterpillar Antifreeze and supplemental coolant additive as recommended, the drain period must be shortened to 1500 service hours or one year.Filling at over 20 liters (5 U.S. gallons) per minute