2-34AcerAltos 21000 System Guide2.8 Removing and Installing theThermal Air GuideOn the left side of the housing, a metal thermal air guide directs thehot air from the inside to the fan exhausts on the rear of the housing.The air guide helps in maintaining good air circulation within thehousing. To avoid electric shock and damage to thesystem, DO NOT perform the followingprocedure while the system is ON.2.8.1 Removing the Thermal Air GuideFollow these steps to remove the thermal air guide:1. Unplug all power cables from the wall socket.2. Open the left panel door. Refer to section 2.2 for instructions onopening the door.3. Remove the two screws that secure the air guide to the housing.Save the screws.4. Carefully remove the air guide from the housing and set it aside.
