GE Industrial Solutions Galaxy Verification - Manual (Page 89)

Galaxy Power System Verification Procedures
Issue 3 January 2008 Replacement Procedures 4 - 21
GPS4848 Replacement Procedures, continued
Removing a
Rectifier Step Action
1 Turn off output circuit breaker on rectifier.
2 Turn off power switch on rectifier.
3 Turn off ac circuit breakers.
4 Wait 5 minutes to allow capacitors to discharge.
5 Using a 5mm Allen-head “T” wrench, slowly turn the
locking screw counterclockwise to release the rectifier from
the shelf.
6 Slowly slide rectifier from shelf.
Caution
Rectifier is heavy (65 pounds). Use two people to lift and
move rectifiers.
Do not rest rectifier on faceplate or rear chassis; damage
to faceplate and/or rear busbars will occur, rendering the
unit unusable.