Nortel DMS-100 Series Maintenance Manual page 651

If light
is not visible through the filter
9 Install the filter in the grille again.
10 Install the filter and grille assembly in the frame again.
Go to step 21.
11 Check the filter part number.
If filter part number
is A0344437
is P0558302
is P0623539
12 Get replacement filter material.
13 Trim a new filter to fit around the magnetic latches. Use the old filter as a
guide.
14 Install the filter and grille on the frame.
Go to step 21.
15 At an area outside the room that contains the switching system, vacuum the
filter.
16 Install the filter and grille on the frame.
Go to step 21.
17 At an area outside the room that contains the switching system, remove
excess dirt and lint. To remove excess dirt and lint, rap the dirty side down or
vacuum the dirty side.
18 Wash the filter in cleaner and water.
19 Rinse the filter and allow the filter to dry before you install the filter again.
20 Install the filter and grille on the frame.
21 On the front of the FSP, set the fan alarm override switch to OFF.
22 The procedure is complete.
OPM routine maintenance procedures
Filters inspection for cooling unit
DMS-100 Family OPM Maintenance Manual XPM14 and up
Do
step 11
Do
step 12
step 15
step 17
13-49
OPM
(end)