Lenovo ThinkSystem SR665 V3 User Manual

Also see for 7D9A: System configuration guide User guide

Processor and heat sink replacement (trained technician only)Follow instructions in this section to remove and install a processor or a heat sink.Important:• This task must be operated by trained technicians that are certified by Lenovo Service. Do no attempt toremove or install it without proper training and qualification.• Before replacing a processor, check the current PSB fuse policy. See Service process before replacementat Service process for updating PSB fuse state.• After replacing a processor, ensure that the processor fuse status is expected without unexpected XCCevent logs. See Service process after replacing a processor at Service process for updating PSB fusestate.The server supports two types of heat sinks. Depending on the specific type, the heat sink on your servermight be different from that shown in the illustrations. For detailed information on heat sink selection, see“Thermal rules” on page 47.Attention:• Before reusing a processor or heat sink, make sure you use Lenovo proven alcohol cleaning pad andthermal grease.• Each processor socket must always contain a cover or a processor. When replacing a processor, protectthe empty processor socket with a cover.• Do not touch the processor socket or processor contacts. Processor-socket contacts are very fragile andeasily damaged. Contaminants on the processor contacts, such as oil from your skin, can causeconnection failures.• Do not allow the thermal grease on the processor or heat sink to come in contact with anything. Contactwith any surface can compromise the thermal grease, rendering it ineffective. Thermal grease can damagecomponents, such as the electrical connectors in the processor socket.The following illustration shows the components of the processor and heat sink.112 ThinkSystem SR665 V3 User Guide