Service manual

4-1
CHAPTER
4
Preparing for Servicing
This chapter describes how to prepare the server for servicing.
The following topics are covered:
■ Section 4.1, “Common Procedures for Parts Replacement” on page 4-1
For a list of FRUs, see Appendix A.
Note – Never attempt to run the system with the cover removed. The cover must be
in place for proper air flow. The cover interlock switch immediately shuts the system
down when the cover is removed.
4.1 Common Procedures for Parts
Replacement
Before you can remove and replace parts that are inside the server, you must
perform the following procedures:
■ Section 4.1.2, “Shutting the System Down” on page 4-2
■ Section 4.1.3, “Removing the Server From a Rack” on page 4-3
■ Section 4.1.4, “Performing Electrostatic Discharge (ESD) Prevention Measures” on
page 4-5
■ Section 4.1.5, “Removing the Top Cover” on page 4-5
The corresponding procedures that you perform when maintenance is complete are
described in Chapter 6.