Polycom 4000 Hardware Manual page 62

RealPresence®Collaboration Server 4000 Hardware Guide
3 Use the finger grip, pull the Fan drawer out of its slot in the Backplane.
4 Carefully slide the Fan drawer out through the front panel.
5 Open the filter tray, by unscrewing two screws on the tray.
6 Remove the existing air filter.
7 Insert a new or cleaned air filter into the filter tray.
8 Close the filter tray by tightening the two screws on the tray.
9 Insert and slide in the Fan drawer.
10 Push the Fan drawer firmly into the Backplane, making sure it is properly seated in its slot.
11 Tighten the captive screws on the front panel of the Fan drawer to the chassis.
12 Turn ON the RMX 4000.
It is recommended that the air filter be replaced or cleaned every six months.
Polycom, Inc. 62