Ulvac G-20DA - 1 For Safety Operation; Hazardous of Product and Safety Precautions

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1.For Safety Operation
1.1 Hazardous of Product and Safety Precautions
Before operating or inspecting the pump, read this manual carefully. And pay attention to
ascertain the detail of potential hazardous and preventive procedure so that must be operated
or inspected the pump.
1.1.1 Leakage of hazardous gases and materials
Cause
Preventive Procedure
Leakage of toxic or inflammable gases.
⇒
Before evacuating gases to the pump inlet,
dilute them to safety level.
⇒ ① After wearing suitable protector for
evacuating hazardous materials, check or
abolish the pump.
②
Before checking or disposing the pump,
non-hazardous treatment must be requested
for the authorized professional
specialist, then check or the pump.
Injuries of skin by direct contact with
contaminated oils or adhered hazardous
materials of the pump body when
checking or disposing dispose the
pump.
③
Disposal must be requested for the
professional specialist authorized by the
administration.
1.1.2 Electric shock
Cause
Preventive Procedure
⇒ ①
Switch off power certainly before electric
wiring Connect electrical wire cords to
ground potential terminals tightly.
② Switch off power before inspection or
removing.
Electric shock by touching electrical
bare portion of the motor when electric
power is on.
③
Do not insert objects, fingers, or any thin
bars into the inlet port.