MMD Equipment 150S-6A6 - Manual (Page 10)

1.Safety
1-7
Taking off the radiator cap
Be sure to stop the machine first and then loosen the radiator
cap slowly, after the coolant water is sufficiently cooled and the
inner pressure is released.
If this procedure is neglected, its inner pressure can blow off the
cap，and steam jetting out of the radiator could result in causing
scalding. Follow these procedures under all circumstances.
Opening coolant water drain valve
Be sure to stop the engine, and let the coolant water sufficiently
cool down before draining it.
If the drain valve is opened before the coolant water is cooled
enough, hot water could jet out, and it could cause scalding.
Refilling or draining of engine oil
After stopping the engine, wait 10 to 20 minutes until the engine
oil cools off. Then check the level of the engine oil, or refill or
drain the oil.
During operation or immediately after the engine stops, its oil is
extremely hot and pressurized, so it may jet out when the cap
is loosened. Be careful not to scald yourself from it.
Cleaning the unit
When washing the machine, cover the control panel, generator and its electric parts to prevent them
from being exposed to splashing water and avoid possible decrease in electrical insulation or other
troubles to the machine.
Disposal of waste liquid, etc.
Waste liquid from the machine contains harmful material. Do not discharge it onto the ground or into
the river, lake or sea. Such material will pollute the environment.
Be sure to use a container to hold the waste liquid from the machine.
Be sure to follow the designated regulations when disposing of oil, fuel, coolant (antifreeze), filter,
battery or other harmful materials.
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