CASE CONSTRUCTION CX75C SR, Operator'S Manual

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6 - MAINTENANCE
3. Open the drain plug on the engine block.
NOTE: prepare a container with the necessary capacity
beforehand.
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4. When the radiator is completely empty, close
the drain valve. Close the drain plug on the
engine block.
5. Fill the system with clean water. Install the
radiator cap.
6. Start the engine. Run the engine for 10 min just
slightly higher than idling to raise the engine
temperature to
80 °C ( 176.0 °F ).
7. Stop the engine, then remove the key from the
starter switch.
8. Wait for the engine to sufficiently cool before
draining the coolant.
9. Repeat steps 4 to 8 until the water drained is
clear.
10. Close the drain valve on the radiator and the
drain plug on the engine block.
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SMIL13CEX2811AB
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