Installation ManualH3C S9500 Series Routing Switches Chapter 5 Troubleshooting and Maintaining the Switch5-9Caution:As the chassis air filter is quite long, you should hold its front end with one hand, andbear its weight by putting the other hand underneath it when sliding it out of the chassis.3) Rinse the air filter cover (no rubbing) without taking the mesh out. Air-dry it.z Installing the chassis air filter1) Hold the air filter by the front end using one hand, and support the bottom of the airfilter using the other hand, place the air filter vertically, and slide it into the chassisalong the guide rails.2) Fix the air filter by fastening the captive screws at the top and bottom of the air filterwith a Phillips screwdriver.II. Removing, cleaning and installing the chassis air filter of the S9508Vz To remove and clean the chassis air filter, follow the procedure below:1) Remove the captive screws at the left and right sides of the air filter using a Phillipsscrewdriver.2) Clutch the air filter cover by the upper and lower edges using your index finger andthe thumb, and remove the air filter cover gently.3) Pull out the nested black air filter mesh.4) Wash the air filter mesh using water, and then air-dry it. Take care not to rub the airfilter mesh when you wash it.z To install the chassis air filter, follow the procedure below:1) Nest the black air filter mesh into the air filter cover.2) Hold the air filter by the front end using one hand, and support the bottom usingthe other hand, place it horizontally, and slide it into the chassis along the guiderails.3) Fasten the captive screws at the left and right sides of the air filter using a Phillipsscrewdriver, thus installing the air filter completely.5.2.4 Replacing and Installing a CardThe SRPU, LPUs and service boards of the S9500 series are all hot swappable. Theycan be installed and removed almost in the same way. This section describes thegeneral procedures for removing and installing these cards.I. Removing a card1) Wear the ESD-preventive wrist strap and loosen the captive screws on the cardwith a Phillips screwdriver.2) Hold the ejector levers on the card with both hands and pull them outward toseparate the locking pin of the card from the backplate.