Dell PowerConnect B - MLXe 16 Hardware Installation Guide - Page 184

7 Replacing fan assemblies Replacing the air filters It is strongly recommended that routers be installed in environments that have minimal dust and airborne contaminants. If routers are installed in environments where dust or other airborne contaminants may be present, air filters should be inspected and replaced as needed. Maintaining clean air filters ensures optimal airflow through the devices. You can replace the air filters while a router is powered on and running. Before performing this task, have these items available: • A 7/64 inch hex head screwdriver • Replacement air filters, which you can order from Dell Replacing the air filter in 16-slot routers Follow these steps to replace the air filter in a 16-slot router. 1. Loosen the two screws in the front of the filter retainer. 2. Pull the filter retainer away from the router as shown in Figure 69. There is a hook on the back of the retainer that is attached to the grab-strap. As you pull the retainer out, the filter is pulled along with it. FIGURE 69 Air filter removal and replacement for 16-slot routers \ 1 2 4 1 Fan tray 2 Filter 3 3 Filter retainer 4 Filter grab-strap 5 Airflow direction 172 PowerConnect B-MLXe Hardware Installation Guide 53-1002111-01