Nortel DMS-100 Series Maintenance Manual page 739

Summary of fan replacement, internal fans
Remove the fan
grill and screws
Disconnect fan
from the fan
wiring harness
Remove replace
the defective
fan
Install fan and
connect fan to
the fan wiring
harness
Replace grill
and screws
Y
N
Are there
other defective
fans?
DMS-100 Family OPAC Maintenance Manual XPM12 and up
Routine maintenance common procedures 13-91
Fan replacement, internal fans
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.
End of
procedure
OPAC
(continued)