Rockwell Automation 2364F RGU DC Suppressor Replacement - Manual (Page 3)

RGU™ DC Suppressor Replacement 3
Publication 2364F-5.11 - November 1998
Preliminary Steps Before replacing the DC suppressor, shut off the power; wait five
minutes for the voltage to discharge; and open the bay door.
Removing the DC Suppressor 1. Using a meter, test the voltage across the DC bus terminals on the
power structure, then across the DC suppressor terminals.
2. Remove the four screws from the Lexan™ shield on the DC sup-
pressor.
Note: If unable to remove the shield, take the four mounting bolts
out, set the assembly on a stable surface, and remove the shield.
3. Disconnect the bus leads and the PE ground lead.
4. Remove the four mounting bolts and remove the suppressor.
!
ATTENTION: If there is any voltage present,
remove the source of the voltage and check for
voltages again before proceeding to the next step.
D C B us Lead (-)
PE Lead
DC Bu s Lead (+ )
4
2
3
2
4
3