54Installing a fan tray1. Wear an ESD wrist strap and make sure the wrist strap makes good skin contact and is wellgrounded. For more information, see "Installing FRUs."2. Unpack the fan tray.3. Holding the handle of the fan tray with one hand and supporting bottom with the other, gently slidethe fan tray along the guide rails into the slot until it is firmly secured in the slot.4. Fasten the captive screws on the fan tray.Replacing an air filterCAUTION:Clean air filters every three months to guarantee adequate ventilation and avoid over-temperature.The air filter of the S10508-V is different from other models.• The S10508-V has one air filter on the bottom of the chassis front and the air filter has captivescrews.• The S10504 and S10508 have two air filters, and the S10512 has three air filters that use commonscrews on the left of the chassis.The replacement procedures for the air filters of the S10500 Switch Series are similar. The following takesan air filter on an S10508 as an example. Keep the removed screws well when replacing an air filter onthe S10504, S10508, or S10512 switch.To replace an air filter:1. Loosen the screws on the air filter, as shown in callout 1 on Figure 43.2. Remove the air filter from the chassis.3. Install the cleaned air filter to the switch.For the installation procedures, see S10508 Air Filter User Manual.
