DRAINING AND FLUSHING THE COOLING SYSTEM

WARNING: Hot fluid under pressure. Follow the Operator’s Manual instructions to relieve the pressure before opening the expansion tank cap.

Turn the expansion tank cap slowly to relieve pressure. Open radiator drain cock located under the radiator (3) and the drain cock located on the oil cooler. Let the coolant drain.

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1. RADIATOR DRAIN COCK

Check to see that all hoses are in good condition and the clamps are not damaged or loose. Replace if necessary.

WARNING

HOT LIQUID UNDER PRESSURE HAZARD

Service when cool.

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After draining, flush the radiator with clean water. Be sure that the water does not contain large amounts of calcium. Fill the cooling system with a mixture of 50% of Ethylene Glycol and 50% of clean water to about 1 1/4" (30 mm) below the filler neck. Install expansion tank cap. Start and run engine until coolant reaches normal operating temperature. Stop engine. Check level of coolant and add if necessary.