Nortel DMS-100 Series Maintenance Manual page 733

Summary of rectifier replacement
Switch appropriate
circuit breaker CB1
RECT-0, CB2 RECT-1,
CB3 RECT-2, rectifier
breaker to OFF
Switch ac and dc
breakers to OFF
Unscrew spring screws
in lower corners and flip
retaining bar
Remove rectifier
Mount replacement
rectifier
Return retaining bar
and screw spring
screws
Switch appropriate
circuit breaker CB1
RECT-0, CB2 RECT-1,
CB3 RECT-2, rectifier
breaker to On
DMS-100 Family OPAC Maintenance Manual XPM12 and up
Routine maintenance procedures 13-85
Rectifier replacement
OPAC
This flowchart summarizes the
procedure.
Use the instructions in the
procedure that follows this
flowchart to perform the
procedure.
Switch ac and dc
breakers to ON
Adjust rectifier
voltage
End of procedure
(continued)