Hyundai DHY50E User Manual page 16

7.2.1.9. Important: It may take a few minutes for water pump to begin pumping water.
7.2.1.10. DO NOT touch hot parts and AVOID hot exhaust gases.
7.2.1.11. Allow equipment to cool before touching.
7.2.1.12. Keep at least 6 feet (2.0 m) of clearance on all sides of water pump
including overhead.
7.3. Stopping the water pump.
7.3.1. Move the STOP/RUN lever (3) to the STOP position.
7.3.2. Turn the key switch (4) anti-clockwise to the OFF position
7.3.3. Turn fuel valve to "OFF" position.
7.4. Draining and flushing the water pump.
7.4.1. Disconnect and drain the suction and discharge hoses.
7.4.2. Remove the drain plug at bottom of the pump.
7.4.3.To protect the unit from damage caused by freezing temperatures, make sure
unit is fully drained of water.
7.4.4. Remove the primer plug from top of the pump and flush the internal
components of the pump with clean water.
7.4.5. Replace both plugs and finger tighten.
Contact with muffler/exhaust area can result in serious burns.
Exhaust heat/gases can ignite combustibles, structures or damage fuel
tank causing a fire.
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