Inspect/Replace Air-Filter Element - Alcatel-Lucent 1677 SONET Maintenance And Trouble Clearing

3EM13853AF
Issue 01, September 2007
DLP-127

Inspect/Replace Air-Filter Element

PURPOSE
This procedure provides instructions to inspect or replace an air-filter element.
RECOMMENDED TOOLS
Phillips screwdriver, #2 X 6-inch
STEP PROCEDURE
WARNING: Possibility of equipment damage. Check air-filter element every
1
2 months and replace it at least every 3 months. A dirty air-filter element
blocks airflow through the bay, which can cause overheating and subsequent
equipment damage.
Vacuum air intake grilles at bottom of chassis and air-exhaust grille at top of chassis.
2
Use #2 Phillips screwdriver to loosen two thumbscrews that hold system air-filter tray
3
in place (see figure 127-1).
Slide out air-filter tray (see figure 127-1) and remove air-filter element from tray.
4
Vacuum air-filter tray, air-filter plenum, and air-filter element.
5
Check equipment maintenance records for last installation date of a new air-filter
6
element.
Has it been 3 months since air-filter was replaced with a new one?
7
Is air-filter element torn or heavily restricted by dust and dirt?
8
Replace air-filter element with a new one.
9
Reinstall air filter in tray. Make sure air-flow arrows on metal frame of filter point up.
10
Align air-filter tray in chassis opening with filter-side up. Hold air-filter in place with
11
thumb, and push air-filter tray all way in.
Inspect/Replace Air-Filter Element
If yes, go to step 9.
If no, go to step 8.
If yes, go to step 9.
If no, go to step 10.
DLP-127
5-25