Lucent Technologies Galaxy 4848/100 - Page 83

Lucent Technologies Galaxy Power System 4848/100
Issue 5 June 2000 Maintenance and Replacement 11 - 9
Replacement Procedures, continued
Replacing the Rectifier Fan Assemblies, continued
Step Action
4
Remove the screws attaching the old fans to the chassis and
carefully unplug the fan connector. The fan connector is
keyed and can be loosened by inserting a screwdriver into the
slotted side of the connector and gently prying the fan-side
connector loose.
5
Place the new fans in position. Torque fasteners to 10 in-lbs.
6
Replace the ribbon cable removed in Step 3.
7
Replace the front cover.
8
Install the rectifier, following the “Installing or Replacing a
Rectifier” procedure in this section.
9
Test replaced rectifiers using the “Testing Additional Alarms
After Replacement of Rectifiers” procedure in this section.