Hyundai 1 inch Owner's Manual page 6

Safety Instructions
The clean water pumps and high pressure water pumps in our range have been
designed for pumping clean fresh water only.
Trash pumps have been designed to deal with debris up to 25mm in diameter.
Chemical pumps can be used for the transmission of weak acid and bases (PH4-
11) and commonly used for liquid fertiliser and seawater.
To prevent fire hazards and to ensure that the pump is used in a well
ventilated area, it is important to keep the pump away from all building walls
and other equipment during operation. Do not place flammable objects near
the water pump and ensure the water pump is drained of all fuel before
transportation.
The muffler becomes very hot during operation and for a while after the
engine has been stopped. Do not touch the muffler or store the water pump
until it has fully cooled down.
Due to petrol being extremely flammable, do not smoke in the refuelling and
fuel storage area. When filling the water pump with fuel, ensure you do so in a
well ventilated area with the engine stopped. If any spillage occurs, clean it up
immediately. After refuelling, replace the fuel cap and screw it on tightly.
Always place the water pump on a firm, level surface. If the pump is tilted or
overturned, fuel spillage may result.
Exhaust fumes from the pump's engine contain poisonous carbon monoxide
gas that can build up in closed areas. For this reason, ensure that the pump is
used in a well ventilated area at all times. Breathing in carbon monoxide can
result in death.
Due to the possibility of burns from the hot engine components, do not allow
children or pets near the water pump whilst it is in operation.
For safety reasons, this water pump must not be used in potentially explosive
atmospheres.
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