GE Industrial Solutions GPS 4812_24 - Manual (Page 75)

Galaxy Power System 4812/24
Issue 9 Januray 2008 Maintenance and Replacement 11 - 3
Replacement Procedures
Installing or
Replacing a
Rectifier
Installing or Replacing a Rectifier
Step
Action
1 Locate and turn off the ac service feeding the rectifier.
Note: Do not turn off ac service to the entire system, only to
the rectifier that has failed.
2 Turn the rectifier’s ON/STBY switch to STBY.
Caution
Rear portion of the rectifier that is in operation is HOT to
the touch. Use appropriate precautions.
3 (Steps 3 and 4 for replacement only. For a new installation,
proceed to Step 5.)
Locate the Allen-head bolt in the center of the rectifier front
panel. Using the Allen wrench provided, rotate the bolt
counterclockwise to release the rectifier for removal.
4
Caution
Handle the rectifier using two hands, one hand supporting
the rear of the unit, the other hand on the front handle.
Grasp the front handle and slide/pull the rectifier from the
shelf assembly. Support the rear of the unit as it slides from
the shelf.
Figure 11-1: Detail of Rectifier Position
Continued on next page.