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Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade 6.1S2
Chapter 9
Air filter replacement
Replace the air filter in Nortel Networks Multiservice Switch equipment
every three months as part of regular maintenance.
Air filter replacement task flow
This task flow shows you the sequence of procedures you do to replace an air
filter. To link to any procedure, go to
“Task flow navigation” (page 90).