Nortel DMS-100 Series Maintenance Manual page 447

Subscriber carrier module-100s
Hide thumbs Also See for DMS-100 Series:
Table of Contents

Advertisement

Replacing cooling unit filters
At your Current Location
1
DANGER
Rotating fan blades
Do not reach in more than 6 in. beyond the upper lip
of the air-intake grill. If you reach beyond 6 in., your
fingers can contact the rotating blades of the cooling
unit fans.
On the frame supervisory panel (FSP), set the FAN ALARM OVERRIDE switch
to ON.
If frame trim panels
overlap side edges of intake grill
do not overlap side edges of intake
grill
2
Remove the frame trim panels.
3
Grip both sides of the grill. Pull the grill toward you to remove the grill from the
magnetic catches.
Go to step 5.
4
Carefully pry the upper half of the grill away from the frame to remove the grill.
5
Go to a work area outside the room that contains the switching system.
Remove the filter from the grill.
6
Use the old filter as a pattern to trim the new filter to fit around the magnetic
latches.
7
Install the grill and new filter onto the cooling unit.
8
On the front of the FSP, set the FAN ALARM OVERRIDE switch to OFF.
9
The procedure is complete.
Routine maintenance procedures 12-9
Replacing cooling unit filters
Replacing cooling unit filters
DMS-100 Family SMS Maintenance Manual XPM10 and up
SMS
Do
step 2
step 4
SMS
(continued)
(end)

Advertisement

Table of Contents
loading

Table of Contents