Nortel DMS-100 Series Maintenance Manual page 567

Summary of fan cleaning and testing
Open cabinet
door and open
TSS cover
Turn off fans
Remove the fan
and heater grill
and loosen fan
screws
Clean fan blades
and manually
rotate fans
Star Remote System routine maintenance procedures
N
Do fans turn
smoothly?
Y
Replace fans,
tighten screws,
replace grill and
securing screws
Turn on fans
and check
functioning
DMS-100 Family NA100 Star Remote System XPM15 and up
Fan cleaning and testing
SRMO
This flowchart provides a
summary of the procedure.
Use the instructions in the
step-action procedure that
follows this flowchart to
perform the procedure.
Go to the Fan
replacement
procedure and
replace the
defective fan
N
Are fans
Y
functioning
correctly?
13-9
(continued)
End of
procedure