HP Traffic Director sa7220 - Manual (Page 319)

Cleaning the Dust
Filter
Background
NOTE: For ease of
reading, all models are
referred to as the SA8220
throughout this
document. Unless noted
otherwise, all SA8220
references refer to all
models. The HP e-Commerce Traffic Director Server Appliance SA8200/
SA8220s and HP Traffic Director Server Appliance SA7200/
SA7220s each have a dust filter element mounted behind the front
grille and in front of the dual intake fans. This filter is washable and
must be cleaned every six months at a minimum. If you use your
SA8220 in an abnormally dusty environment, clean the filter more
often. You need not interrupt the SA8220’s operation to perform the
following cleaning procedure.