Cooling System—Draining (Interim Tier 4/Stage III B)
CAUTION:
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Radiator Drain Valve Located Under Shield
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Cooling System Drain (Above Crankshaft)
A - Radiator Drain (Bottom Side)
B - Engine Block Drain
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 engine block drain (B).
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A - Surge Tank Cap
Open surge tank cap (A) to allow coolant to drain faster.Close radiator drains and fill system with clean water.
Install surge tank cap and run engine until it reaches operating temperature with heater ON.
Shut OFF engine, carefully remove surge tank cap 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 equivalent. 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).
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