Cooling System-Draining

CAUTION: Avoid being scalded when opening surge tank cap. Open cap 1.5 turns to relieve pressure. Never open cap when engine is hot. Allow system to cool before draining.

Every six years or 2000 hours, drain cooling system by opening drains on bottom side of radiator (A) and above engine crankshaft (B).

A-Radiator Drain (Bottom Side)
B-Engine Crankshaft Drain

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NOTE: Drain approximately 9 L (2.4 gal.) before removing radiator cap.

Open engine access doors (A) and remove surge tank cap (B).

A-Engine Access Covers
B-Surge Tank Cap

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Open engine access doors and remove radiator cap (A) to allow coolant to drain faster.

Close radiator drains and fill system with clean water.

Install radiator and surge tank caps and run engine until it reaches operating temperature with heater ON.

Shut OFF engine, carefully remove surge tank and radiator caps and drain water out before rust or sediment settles.

Close radiator drains and refill system with a solution of clean water and John Deere Cooling System Cleaner PT500 or its equal. Follow instructions with cleaner.

After using cleaner, flush system with clean water and drain.

Close radiator drains and fill system (refer to Cooling System-Filling in this section for filling procedure and Fuels and Lubricants section for coolant specifications).

A-Radiator Cap

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