Safety - Section 20 2/13 OM2049
Page 20-22
SHORT ISOLATED CAPACITOR
TERMINALS
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.
Any capacitor that is isolated from the DC link and
confirmed discharged must have its terminals electri-
cally shorted together to prevent static charge build
up. Use bare wire to jumper all four terminals on the
capacitor. See Figure 20-13. Proceed to troubleshoot
and repair the control group to restore it to original
functionality.
FIGURE 20-13. JUMPER ALL TERMINALS ON
ISOLATED CAPACITOR
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