3Replacing SCv360 Expansion EnclosureComponentsThis chapter describes how to replace field replaceable units (FRUs) inside the SCv360 expansion enclosure.This chapter assumes that the installer has received the FRU and is ready to install it in the expansion enclosure.Safety PrecautionsAlways follow these safety precautions to avoid injury and damage to Storage Center equipment.If equipment described in this guide is used in a manner not specified by Dell, the protection provided by the equipment could beimpaired. For your safety and protection, observe the rules described in the following sections.NOTE: See the safety and regulatory information that shipped with each Storage Center component. Warrantyinformation is included as a separate document.Installation Safety PrecautionsFollow these safety precautions when installing an SCv360 expansion enclosure:CautionEquipment exceeds 90 kg (200 lb). Use appropriate lifting methods when installing anSCv360 expansion enclosure.• You can install the expansion enclosure chassis without using a mechanical lift if you remove the drives, cooling fans, powersupply units (PSUs), and enclosure management modules (EMMs) from the chassis before installing it.You must use a mechanical lift to install the expansion enclosure chassis if you do not remove the drives, cooling fans, PSUs, andEMMs from the chassis.• Dell recommends that only individuals with rack-mounting experience install an SCv360 expansion enclosure in a rack.• When installing multiple expansion enclosures in a rack, fill the rack from the bottom up and empty the rack from the top down.• The rack construction must support the total weight of the installed expansion enclosures. The design should incorporatestabilizing features suitable to prevent the rack from tipping or being pushed over during installation or in normal use.• To prevent the rack from tipping, slide only one expansion enclosure out of the rack at a time.• Make sure that the expansion enclosure is always fully grounded to prevent damage from electrostatic discharge.• When handling the expansion enclosure components, use an electrostatic wrist guard or a similar form of protection.32 Replacing SCv360 Expansion Enclosure Components