Rectifier Replacement In An Nt8X01Ac, Bc Opm - Nortel DMS-100 Series Maintenance Manual

Summary of rectifier replacement in an NT8X01AC, BC OPM
Switch PCU rectifier
breaker to OFF
Switch ac and dc
breakers to OFF
Unscrew spring screws
in lower corners
Flip back retaining bar
and remove rectifier
shelf
Rectifier replacement in an NT8X01AC, BC OPM
At the power control unit (PCU)
1
2
3
4
Rectifier replacement in an NT8X01AC, BC
Mount replacement
rectifier shelf
Switch PCU rectifier
breaker to ON
Switch ac and dc
breakers to ON
Switch the appropriate rectifier breaker to OFF.
At the front face of the rectifier, set the ac and dc breakers to OFF.
Unscrew the large spring screws in the lower left and right corners of the
rectifier shelf.
Flip back the hinged retaining bar and remove the rectifier.
DMS-100 Family OPM Maintenance Manual XPM14 and up
OPM routine maintenance procedures
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.
Switch ac and dc
breakers to ON
Adjust rectifier
voltage
End of procedure
13-79
OPM
(continued)