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0.3 Safety Precautions
When evacuating toxic or inflammable gas, there may be danger of leaking gas from
parts besides inlet port. Practice cautionary steps when working any kind of
gases.
After evacuating toxic gases, the inside of pump and pump oil is contaminated
and toxic. Therefore, handle pump with care during maintenance.
Do not overhaul or repair this pump.0nly authorized maintenance personnel should
handle this pump to avoid ignition, abnormal action, and electric shock.
Switch off power before checking or repairing the pump to avoid any problems
(electric shock or personal injury) caused by suddenly starting up.
Connect an electrical wire cord to ground potential terminal tightly to avoid
electric shock caused by mechanical trouble or electrical leakage.
Do not plug exhaust port or place any materials inside of exhaust port, because
it will reduce pumping speed during operation. Pump explosion, oil level gauge
bursting, or motor over loading are consequences of excessive pressure inside
the pump. This pump is not a compressor. The maximum pressure inside this pump
is 0.03 MPa (GAUGE).
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