
00 Index and foreword
CEN00002-05
25
Warnings and cautions
All applicable local mine, government, and industry
rules for working with high voltage must be followed.
Required personal protective equipment, including
but not limited to safety shoes, high voltage gloves,
and safety glasses must be worn.
Safety cautions and warnings appear throughout the
instructions. WARNING
indicates the potential for
personal injury and CAUTION
indicates the potential
for equipment damage. Read the following warnings
prior to working on this drive system.
Hazardous voltages are present in this
equipment. Ensure that the Control Power Switch
(CPS) is in the OFF position and that the
Generator Field Contactor (GFCO) switch is in the
CUTOUT position before attempting any work on
the drive system components. Check that
Capacitor Charge Lights (CCL’s) are not
illuminated.
Use measurement and protective equipment
rated for 2000 VDC minimum to verify that no
voltage is present before touching any terminal.
Verify functionality of the measurement
equipment using site-approved procedures both
before and after performing control group
measurements.
Failure to observe these precautions may result
in death or serious personal injury.
Verify that the Capacitor Charge Light (CCL)
above the high voltage contactor area is not
illuminated before opening the doors to the high
voltage area or the high voltage contactor area.
Use measurement and protective equipment
rated for 2000 VDC minimum to verify that no
voltage is present before touching any terminal.
Verify functionality of the measurement
equipment using site-approved procedures both
before and after performing control group
measurements.
Failure to observe these precautions may result
in death or serious personal injury.
Hazardous voltages are present in this equip-
ment. Avoid touching any energized equipment
when the door to the low voltage area is open.
Failure to do so may result in personal injury and
equipment damage.
Hazardous voltages may be present in this equip-
ment even if the engine and capacitor charge
lights are off.
Use measurement and protective equipment
rated for 2000 VDC minimum to verify that no
voltage is present before touching any terminal.
Verify functionality of the measurement equip-
ment using site-approved procedures both
before and after performing control group mea-
surements.
Failure to observe these precautions may result
in death or serious personal injury.
Voltages in excess of 1500 VDC may be present.
Any measurement and/or protective equipment
used must be rated at 2000 VDC minimum.
Verify functionality of the measurement equip-
ment using site-approved procedures both
before and after performing control group mea-
surements.
Failure to observe these precautions may result
in death or serious personal injury.
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