Si-tex SVS-1010, Operation Manual

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Maintenance Cautions<For Maintenance Personnel>
Use the following safety precaution internal inspection.
Discharge
capacitors.
High voltage may be retained in the capacitors if the high-tension
circuits several minutes after you have turned the power switch off.
Check that
power is OFF
To prevent an electrical injury due to erroneous power switching, make
sure that the main power supply and the system power switch are both
in the off position. Additionally, attach a safety label showing that
service is in progress.
Avoid EMI.
Take care not to damage the ESDs (Electrostatic Sensitive Devices)
by static electricity from carpet and cloths.
Avoid dust.
Wear a safety mask so as not to breathe in dust during inspection or
cleaning inside your system instruments.