HP 9000 rp4410-4 User Service Guide, Fifth Edition - HP 9000 rp4410/4440 - Page 149

6 Removing and Replacing Components This chapter describes how to remove and replace hardware in the HP 9000 rp4410 and rp4440 servers. Use care to prevent injury and equipment damage when performing these procedures. Voltages can be present within the server. Many assemblies are sensitive to damage by electrostatic discharge. Safety Information CAUTION: Use care to prevent injury and equipment damage when performing removal and replacement procedures. Voltages might be present within the server. Many assemblies are sensitive to damage by electrostatic discharge. Follow the procedures listed below to ensure safe handling of components, to prevent injury, and to prevent damage to the server: • When removing or installing a hot-swappable item, follow the instructions provided in this guide. • If installing a hot-swappable or hot-pluggable component when power is applied (fans are running), reinstall the server cover immediately to prevent overheating. • If installing a hot-pluggable component, complete the required software intervention before removing the component. • If installing an assembly that is not hot-swappable nor hot-pluggable, disconnect the power cable from the external power receptacle before proceeding. WARNING! Ensure that the system is powered off and all power sources have been disconnected from the server before working with the server. Voltages are present at various locations within the server whenever an ac power source is connected. This voltage is present even when the main power switch is in the off position. Failure to observe this warning can result in personal injury or damage to equipment. • Do not wear loose clothing that can snag or catch on the server or on other items. • Do not wear clothing subject to static charge build-up, such as wool or synthetic materials. • If installing an internal assembly, wear an antistatic wrist strap and use a grounding mat, such as those included in the Electrically Conductive Field Service Grounding Kit (HP part number 9300-1155). • Handle accessory boards and components by the edges only. Do not touch any metal-edge connectors or any electrical components on accessory boards. Required Service Tools Service of this product may require one or more of the following tools: • Electrically Conductive Field Service Kit (HP part number 9300-1155) • 1/4 inch flat blade screwdriver • ACX-15 Torx screwdriver Accessing a Rack-Mounted Server The HP 9000 rp4410 and rp4440 servers are designed to be rack mounted. The following procedure explains how to gain access to the server that is mounted in an approved rack. For rack installation Safety Information 149