Removing and replacing components

Use this information to remove and replace components of the Lenovo System x3750 M4 Type 8753.

Replaceable components are of three types:

• Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If a Lenovo approved warranty service provider installs a Tier 1 CRU at your request, you will be charged for the installation.
• Tier 2 customer replaceable unit (CRU): You may install a Tier 2 CRU yourself or request a Lenovo approved warranty service provider to install it, at no additional charge, under the type of warranty service that is designated for your server.
• Field replaceable unit (FRU): FRUs must be installed only by Trained service technicians.

See Parts listing, Lenovo System x3750 M4 Type 8753 to determine whether a component is a Tier 1 CRU, Tier 2 CRU, or FRU that must be replaced only by a trained service technician.

For information about the terms of the warranty, see the Lenovo Warranty document that comes with the server.

For more information about getting service and assistance, see Getting help and technical assistance.

• Returning a device or component
  Use this information if you are instructed to return a device or component.
• Removing and replacing server components
  Use this information for removing or replacing a CRU, FRU, or installing an optional device.