Rockwell Automation 2361 90A Field SCR Module Replacement - Manual (Page 3)

90A Field SCR Module Replacement (for 1250, 1650, and 3000A 1395 DC Drives) 3
Preliminary Steps Before replacing field SCR modules, shut off the drive power,
wait five minutes for the voltage to discharge, and open the
disconnect bay door.
Removing Field SCR Modules 1. Using a voltmeter, test the voltage across the three phases,
then across TB7-1 and TB7-3.
2. Loosen the thumb screws to lower the control board panel.
3. Loosen the thumb screws to lower the feedback board panel.
4. Dismount the field board by unscrewing the six set screws.
!
ATTENTION: If there is any voltage present,
remove the source of the voltage and check for
voltages again before proceeding to the next step.
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