Rectifier Replacement In An Nt8X01Aa, Ab, Ba, Bb Opm - Nortel DMS-100 Series Maintenance Manual

Summary of rectifier replacement for NT8X01AA, AB,BA, BB in an OPM
Switch off PCU
rectifier breaker
Open equipment
bay
Switch ac and dc
breakers to OFF
Remove ac and dc
connections
Disconnect alarm
plug
Remove rectifier
shelf
Mount replacement
rectifier shelf
Rectifier replacement in an NT8X01AA, AB, BA, BB
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.
Connect ac and dc
supply leads
Connect alarm plug
Switch PCU rectifier
breaker to ON
Switch ac and dc
breakers to ON
Adjust rectifier
voltage
Check/correct DIP
switch setting
End of procedure
13-75
OPM
(continued)