AMETEK SGA Series - Manual (Page 91)

M550129-01 Rev AG 5-1
SECTION 5
MAINTENANCE
5.1
INTRODUCTION
This chapter contains preventive maintenance information for the SGA Series
power supplies.
WARNING!
All maintenance that requires removal of the cover of the unit should
only be done by properly trained and qualified personnel. Hazardous
voltages exist inside the unit. Disconnect the supply from the AC
mains input before performing any maintenance. Service, fuse
verification, and connecting of wiring to the chassis must be
accomplished at least 5 minutes after AC input power has been
removed with an external disconnect switch. Do not touch any circuits
and/or terminals that are energized.
5.2 PREVENTIVE MAINTENANCE
WARNING!
The OFF position of the front panel power switch does not
remove AC input from internal circuits or input terminal blocks.
Disconnect external AC input before servicing unit.
CAUTION!
For safe and continued operation of the SGA Series, always operate
the unit in a temperature and humidity controlled, indoor area.
Exposure to conductive contaminants or corrosive compounds/gases
that could be ingested into the chassis could result in internal
damage. Keep the rear and sides of the unit free of obstructions to
ensure proper ventilation.